./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.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 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:51:08,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:51:08,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-24 23:51:09,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:51:09,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:51:09,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:51:09,060 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:51:09,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:51:09,061 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:51:09,063 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:51:09,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:51:09,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:51:09,064 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:51:09,065 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-24 23:51:09,065 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-24 23:51:09,065 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-24 23:51:09,065 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-24 23:51:09,066 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-24 23:51:09,066 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-24 23:51:09,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:51:09,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-24 23:51:09,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:51:09,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:51:09,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-24 23:51:09,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-24 23:51:09,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-24 23:51:09,070 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:51:09,070 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:51:09,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:51:09,071 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-24 23:51:09,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:51:09,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:51:09,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:51:09,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:51:09,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:51:09,076 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-24 23:51:09,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 [2024-10-24 23:51:09,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:51:09,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:51:09,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:51:09,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:51:09,348 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:51:09,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2024-10-24 23:51:10,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:51:10,979 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:51:10,979 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2024-10-24 23:51:10,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe1e6af7/5e1c3cc0bb3d42468aea367d55c17562/FLAG56afaff4e [2024-10-24 23:51:11,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe1e6af7/5e1c3cc0bb3d42468aea367d55c17562 [2024-10-24 23:51:11,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:51:11,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:51:11,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:51:11,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:51:11,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:51:11,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648fda59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11, skipping insertion in model container [2024-10-24 23:51:11,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:51:11,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:51:11,234 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:51:11,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:51:11,264 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:51:11,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11 WrapperNode [2024-10-24 23:51:11,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:51:11,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:51:11,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:51:11,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:51:11,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,291 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-10-24 23:51:11,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:51:11,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:51:11,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:51:11,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:51:11,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,309 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 23:51:11,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:51:11,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:51:11,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:51:11,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:51:11,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (1/1) ... [2024-10-24 23:51:11,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:11,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:11,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:11,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-24 23:51:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:51:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:51:11,472 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:51:11,474 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:51:11,529 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-24 23:51:11,529 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:51:11,543 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:51:11,543 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 23:51:11,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:51:11 BoogieIcfgContainer [2024-10-24 23:51:11,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:51:11,545 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-24 23:51:11,545 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-24 23:51:11,548 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-24 23:51:11,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:51:11,550 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.10 11:51:11" (1/3) ... [2024-10-24 23:51:11,551 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d632c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.10 11:51:11, skipping insertion in model container [2024-10-24 23:51:11,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:51:11,551 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:51:11" (2/3) ... [2024-10-24 23:51:11,551 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d632c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.10 11:51:11, skipping insertion in model container [2024-10-24 23:51:11,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:51:11,552 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:51:11" (3/3) ... [2024-10-24 23:51:11,553 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Nested.c [2024-10-24 23:51:11,598 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-24 23:51:11,599 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-24 23:51:11,599 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-24 23:51:11,599 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-24 23:51:11,599 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-24 23:51:11,599 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-24 23:51:11,599 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-24 23:51:11,599 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-24 23:51:11,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:11,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-24 23:51:11,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:51:11,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:51:11,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-24 23:51:11,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-24 23:51:11,628 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-24 23:51:11,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:11,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-24 23:51:11,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:51:11,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:51:11,629 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-24 23:51:11,630 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-24 23:51:11,635 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 4#L10-2true [2024-10-24 23:51:11,636 INFO L747 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 2#L12-2true assume !(main_~j~0#1 < 12); 5#L12-3true main_~i~0#1 := 1 + main_~i~0#1; 4#L10-2true [2024-10-24 23:51:11,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:11,641 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-24 23:51:11,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:11,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944818042] [2024-10-24 23:51:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:11,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:11,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:11,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:11,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:11,770 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2024-10-24 23:51:11,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:11,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417278279] [2024-10-24 23:51:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:11,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:11,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:51:11,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417278279] [2024-10-24 23:51:11,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417278279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:51:11,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:51:11,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:51:11,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036144441] [2024-10-24 23:51:11,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:51:11,886 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-24 23:51:11,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:51:11,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:51:11,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:51:11,925 INFO L87 Difference]: Start difference. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:11,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:51:11,948 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2024-10-24 23:51:11,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2024-10-24 23:51:11,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-24 23:51:11,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 6 states and 7 transitions. [2024-10-24 23:51:11,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-24 23:51:11,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-24 23:51:11,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2024-10-24 23:51:11,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-24 23:51:11,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-24 23:51:11,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2024-10-24 23:51:11,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-10-24 23:51:11,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:11,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2024-10-24 23:51:11,979 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-24 23:51:11,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:51:11,986 INFO L425 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-24 23:51:11,986 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-24 23:51:11,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2024-10-24 23:51:11,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-24 23:51:11,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:51:11,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:51:11,989 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-24 23:51:11,989 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-24 23:51:11,989 INFO L745 eck$LassoCheckResult]: Stem: 32#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 30#L10-2 [2024-10-24 23:51:11,990 INFO L747 eck$LassoCheckResult]: Loop: 30#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 28#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 29#L12-2 assume !(main_~j~0#1 < 12); 31#L12-3 main_~i~0#1 := 1 + main_~i~0#1; 30#L10-2 [2024-10-24 23:51:11,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:11,990 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-24 23:51:11,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:11,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666477815] [2024-10-24 23:51:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:11,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:12,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:12,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1271024, now seen corresponding path program 1 times [2024-10-24 23:51:12,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:12,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104857569] [2024-10-24 23:51:12,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:12,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:12,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:51:12,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104857569] [2024-10-24 23:51:12,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104857569] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:51:12,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126598477] [2024-10-24 23:51:12,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:12,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:51:12,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:12,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:51:12,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:51:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:12,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 23:51:12,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:12,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:51:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:12,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126598477] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:51:12,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:51:12,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-24 23:51:12,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581813957] [2024-10-24 23:51:12,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:51:12,200 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-24 23:51:12,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:51:12,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:51:12,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:51:12,201 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:12,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:51:12,230 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-10-24 23:51:12,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-24 23:51:12,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-24 23:51:12,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2024-10-24 23:51:12,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-24 23:51:12,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-24 23:51:12,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-10-24 23:51:12,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-24 23:51:12,231 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-24 23:51:12,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-10-24 23:51:12,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-24 23:51:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 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) [2024-10-24 23:51:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-10-24 23:51:12,233 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-24 23:51:12,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 23:51:12,235 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-24 23:51:12,235 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-24 23:51:12,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-10-24 23:51:12,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-24 23:51:12,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:51:12,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:51:12,236 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-24 23:51:12,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 1, 1, 1] [2024-10-24 23:51:12,237 INFO L745 eck$LassoCheckResult]: Stem: 74#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 75#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 72#L10-2 [2024-10-24 23:51:12,237 INFO L747 eck$LassoCheckResult]: Loop: 72#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 70#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 71#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 78#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 77#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 76#L12-2 assume !(main_~j~0#1 < 12); 73#L12-3 main_~i~0#1 := 1 + main_~i~0#1; 72#L10-2 [2024-10-24 23:51:12,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-10-24 23:51:12,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:12,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097691731] [2024-10-24 23:51:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:12,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:12,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:12,246 INFO L85 PathProgramCache]: Analyzing trace with hash -787882000, now seen corresponding path program 2 times [2024-10-24 23:51:12,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:12,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570421652] [2024-10-24 23:51:12,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:12,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:12,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:51:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570421652] [2024-10-24 23:51:12,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570421652] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:51:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989122514] [2024-10-24 23:51:12,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 23:51:12,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:51:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:12,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:51:12,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:51:12,417 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 23:51:12,417 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 23:51:12,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 23:51:12,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:12,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:51:12,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:12,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989122514] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:51:12,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:51:12,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-24 23:51:12,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044787402] [2024-10-24 23:51:12,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:51:12,574 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-24 23:51:12,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:51:12,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:51:12,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:51:12,575 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:12,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:51:12,599 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-10-24 23:51:12,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2024-10-24 23:51:12,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-24 23:51:12,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 15 transitions. [2024-10-24 23:51:12,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-24 23:51:12,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-24 23:51:12,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 15 transitions. [2024-10-24 23:51:12,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-24 23:51:12,601 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-10-24 23:51:12,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 15 transitions. [2024-10-24 23:51:12,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-24 23:51:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-10-24 23:51:12,606 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-10-24 23:51:12,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:51:12,607 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-10-24 23:51:12,608 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-24 23:51:12,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2024-10-24 23:51:12,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-24 23:51:12,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:51:12,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:51:12,609 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-24 23:51:12,609 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [9, 1, 1, 1] [2024-10-24 23:51:12,610 INFO L745 eck$LassoCheckResult]: Stem: 147#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 148#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 145#L10-2 [2024-10-24 23:51:12,610 INFO L747 eck$LassoCheckResult]: Loop: 145#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 143#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 144#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 156#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 155#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 154#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 153#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 152#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 151#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 150#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 149#L12-2 assume !(main_~j~0#1 < 12); 146#L12-3 main_~i~0#1 := 1 + main_~i~0#1; 145#L10-2 [2024-10-24 23:51:12,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:12,612 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2024-10-24 23:51:12,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:12,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385889757] [2024-10-24 23:51:12,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:12,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:12,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:12,626 INFO L85 PathProgramCache]: Analyzing trace with hash -219093776, now seen corresponding path program 3 times [2024-10-24 23:51:12,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:12,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848194355] [2024-10-24 23:51:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:12,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:12,677 INFO L85 PathProgramCache]: Analyzing trace with hash 995055026, now seen corresponding path program 1 times [2024-10-24 23:51:12,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:12,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369839493] [2024-10-24 23:51:12,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:12,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:12,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:12,964 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:51:12,965 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:51:12,965 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:51:12,966 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:51:12,966 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-24 23:51:12,966 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:12,966 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:51:12,966 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:51:12,966 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration4_Loop [2024-10-24 23:51:12,966 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:51:12,967 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:51:12,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:12,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:12,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,068 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:51:13,068 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-24 23:51:13,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,072 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-24 23:51:13,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:13,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,105 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:13,105 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:51:13,116 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 [2024-10-24 23:51:13,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-24 23:51:13,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:13,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,140 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:13,141 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:51:13,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-24 23:51:13,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-24 23:51:13,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:13,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:13,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,178 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-24 23:51:13,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-24 23:51:13,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,228 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:13,228 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=8}, {ULTIMATE.start_main_~c~0#1=7}, {ULTIMATE.start_main_~c~0#1=-6}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-10-24 23:51:13,244 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 [2024-10-24 23:51:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,245 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-24 23:51:13,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:13,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,259 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:13,260 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:51:13,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:13,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,272 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-24 23:51:13,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:13,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,295 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 [2024-10-24 23:51:13,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,297 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-24 23:51:13,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-24 23:51:13,299 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,330 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-24 23:51:13,335 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 [2024-10-24 23:51:13,335 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:51:13,335 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:51:13,335 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:51:13,335 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:51:13,335 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-24 23:51:13,335 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,335 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:51:13,336 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:51:13,336 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration4_Loop [2024-10-24 23:51:13,336 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:51:13,336 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:51:13,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,397 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:51:13,401 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-24 23:51:13,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,404 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-24 23:51:13,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:13,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:13,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:13,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:13,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:13,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:51:13,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:51:13,430 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:13,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-24 23:51:13,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,448 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-24 23:51:13,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:13,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:13,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:51:13,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:13,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:13,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:13,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:51:13,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:51:13,470 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:13,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:13,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,490 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-24 23:51:13,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:13,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:13,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:13,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:13,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:13,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:51:13,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:51:13,514 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:13,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:13,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,531 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-24 23:51:13,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:13,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:13,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:51:13,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:13,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:13,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:13,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:51:13,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:51:13,549 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:13,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-24 23:51:13,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,563 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-24 23:51:13,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:13,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:13,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:51:13,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:13,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:13,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:13,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:51:13,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:51:13,580 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-24 23:51:13,583 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-24 23:51:13,584 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-24 23:51:13,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,587 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-24 23:51:13,588 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-24 23:51:13,589 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-24 23:51:13,589 INFO L474 LassoAnalysis]: Proved termination. [2024-10-24 23:51:13,589 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2024-10-24 23:51:13,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-24 23:51:13,607 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-24 23:51:13,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:13,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 23:51:13,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:13,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 23:51:13,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 23:51:13,717 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-24 23:51:13,719 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2 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) [2024-10-24 23:51:13,752 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2. 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 26 states and 29 transitions. Complement of second has 4 states. [2024-10-24 23:51:13,753 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 [2024-10-24 23:51:13,754 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) [2024-10-24 23:51:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-24 23:51:13,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 12 letters. [2024-10-24 23:51:13,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:13,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 14 letters. Loop has 12 letters. [2024-10-24 23:51:13,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:13,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 24 letters. [2024-10-24 23:51:13,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:13,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2024-10-24 23:51:13,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-24 23:51:13,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 25 states and 28 transitions. [2024-10-24 23:51:13,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-24 23:51:13,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-24 23:51:13,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2024-10-24 23:51:13,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-24 23:51:13,763 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-10-24 23:51:13,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2024-10-24 23:51:13,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2024-10-24 23:51:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-10-24 23:51:13,765 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-24 23:51:13,765 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-24 23:51:13,765 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-24 23:51:13,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2024-10-24 23:51:13,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-24 23:51:13,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:51:13,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:51:13,766 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-24 23:51:13,766 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-24 23:51:13,767 INFO L745 eck$LassoCheckResult]: Stem: 250#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 251#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 247#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 244#L12-2 [2024-10-24 23:51:13,767 INFO L747 eck$LassoCheckResult]: Loop: 244#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 244#L12-2 [2024-10-24 23:51:13,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:13,767 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-24 23:51:13,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:13,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973785714] [2024-10-24 23:51:13,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:13,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:13,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:13,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:13,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:13,781 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2024-10-24 23:51:13,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:13,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090587145] [2024-10-24 23:51:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:13,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:13,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:13,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:13,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:13,794 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2024-10-24 23:51:13,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:13,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884523753] [2024-10-24 23:51:13,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:13,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:13,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:13,833 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:51:13,833 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:51:13,833 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:51:13,833 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:51:13,834 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-24 23:51:13,834 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,834 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:51:13,834 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:51:13,834 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration5_Loop [2024-10-24 23:51:13,834 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:51:13,834 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:51:13,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:13,895 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:51:13,896 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-24 23:51:13,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,899 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-24 23:51:13,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:13,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,923 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:13,923 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:51:13,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-24 23:51:13,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,935 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-24 23:51:13,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:13,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,955 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:13,955 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:51:13,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-24 23:51:13,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,968 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-24 23:51:13,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:13,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:13,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-24 23:51:13,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:13,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:13,992 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:13,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-24 23:51:13,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-24 23:51:13,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,017 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:14,017 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=4}, {ULTIMATE.start_main_~c~0#1=-8}, {ULTIMATE.start_main_~c~0#1=5}] Lambdas: [3, 1, 1] Nus: [1, 0] [2024-10-24 23:51:14,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:14,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,030 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) [2024-10-24 23:51:14,031 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 [2024-10-24 23:51:14,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:14,032 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-24 23:51:14,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,055 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-24 23:51:14,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-24 23:51:14,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,094 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-24 23:51:14,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-24 23:51:14,099 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:51:14,100 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:51:14,100 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:51:14,100 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:51:14,100 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-24 23:51:14,100 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,100 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:51:14,100 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:51:14,100 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration5_Loop [2024-10-24 23:51:14,100 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:51:14,100 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:51:14,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:14,172 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:51:14,173 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-24 23:51:14,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,176 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-24 23:51:14,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:14,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:14,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:14,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:14,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:14,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:51:14,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:51:14,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:14,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:14,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,213 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-24 23:51:14,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:14,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:14,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:14,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:14,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:14,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:51:14,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:51:14,237 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:14,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:14,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,255 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-24 23:51:14,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:14,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:14,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:51:14,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:14,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:14,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:14,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:51:14,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:51:14,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:14,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-24 23:51:14,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,292 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-24 23:51:14,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:14,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:14,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:51:14,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:14,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:14,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:14,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:51:14,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:51:14,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-24 23:51:14,314 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-24 23:51:14,314 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-24 23:51:14,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,316 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-24 23:51:14,318 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-24 23:51:14,318 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-24 23:51:14,318 INFO L474 LassoAnalysis]: Proved termination. [2024-10-24 23:51:14,318 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 23 Supporting invariants [] [2024-10-24 23:51:14,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:14,334 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-24 23:51:14,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:14,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 23:51:14,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:14,366 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 23:51:14,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:14,368 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 [2024-10-24 23:51:14,368 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:14,378 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 32 transitions. Complement of second has 3 states. [2024-10-24 23:51:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-24 23:51:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:51:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-10-24 23:51:14,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 1 letters. [2024-10-24 23:51:14,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:14,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 4 letters. Loop has 1 letters. [2024-10-24 23:51:14,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:14,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-24 23:51:14,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:14,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2024-10-24 23:51:14,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-24 23:51:14,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 29 transitions. [2024-10-24 23:51:14,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-10-24 23:51:14,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2024-10-24 23:51:14,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2024-10-24 23:51:14,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-24 23:51:14,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 29 transitions. [2024-10-24 23:51:14,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2024-10-24 23:51:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2024-10-24 23:51:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 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) [2024-10-24 23:51:14,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-10-24 23:51:14,385 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-24 23:51:14,385 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-24 23:51:14,385 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-24 23:51:14,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2024-10-24 23:51:14,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-24 23:51:14,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:51:14,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:51:14,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 2, 1, 1, 1, 1] [2024-10-24 23:51:14,387 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-24 23:51:14,387 INFO L745 eck$LassoCheckResult]: Stem: 322#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 323#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 319#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 317#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 318#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 331#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 330#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 329#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 328#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 327#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 326#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 325#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 324#L12-2 assume !(main_~j~0#1 < 12); 321#L12-3 main_~i~0#1 := 1 + main_~i~0#1; 320#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 316#L12-2 [2024-10-24 23:51:14,387 INFO L747 eck$LassoCheckResult]: Loop: 316#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 316#L12-2 [2024-10-24 23:51:14,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:14,389 INFO L85 PathProgramCache]: Analyzing trace with hash 781934745, now seen corresponding path program 2 times [2024-10-24 23:51:14,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:14,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192973648] [2024-10-24 23:51:14,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:14,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:14,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:14,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:14,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:14,429 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 2 times [2024-10-24 23:51:14,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:14,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881231821] [2024-10-24 23:51:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:14,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:14,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:14,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:14,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:14,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1529826661, now seen corresponding path program 3 times [2024-10-24 23:51:14,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:51:14,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276914466] [2024-10-24 23:51:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:51:14,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:51:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:14,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:51:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:51:14,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:51:14,500 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:51:14,500 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:51:14,500 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:51:14,500 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:51:14,501 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-24 23:51:14,501 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,501 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:51:14,501 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:51:14,501 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration6_Loop [2024-10-24 23:51:14,501 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:51:14,501 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:51:14,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,557 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:51:14,557 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-24 23:51:14,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,559 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-24 23:51:14,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:14,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,612 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:14,612 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:51:14,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-24 23:51:14,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,629 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-24 23:51:14,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:14,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-24 23:51:14,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,669 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-24 23:51:14,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-24 23:51:14,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,709 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:14,709 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=4}, {ULTIMATE.start_main_~c~0#1=-8}, {ULTIMATE.start_main_~c~0#1=5}] Lambdas: [3, 1, 1] Nus: [1, 0] [2024-10-24 23:51:14,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:14,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,724 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-24 23:51:14,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:14,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,743 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:51:14,743 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:51:14,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:14,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,755 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-24 23:51:14,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:51:14,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-24 23:51:14,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,785 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-24 23:51:14,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-24 23:51:14,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:51:14,816 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-24 23:51:14,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:14,821 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:51:14,821 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:51:14,821 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:51:14,821 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:51:14,821 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-24 23:51:14,821 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,821 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:51:14,821 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:51:14,821 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration6_Loop [2024-10-24 23:51:14,821 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:51:14,821 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:51:14,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:51:14,893 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:51:14,893 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-24 23:51:14,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,895 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-24 23:51:14,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:14,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:14,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:14,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:14,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:14,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:51:14,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:51:14,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:14,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-24 23:51:14,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,930 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-24 23:51:14,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:14,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:14,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:51:14,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:14,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:14,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:14,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:51:14,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:51:14,945 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:14,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-24 23:51:14,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,963 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-24 23:51:14,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:14,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:14,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:14,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:14,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:14,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:51:14,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:51:14,981 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:51:14,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-24 23:51:14,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:14,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:14,997 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:14,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-24 23:51:14,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-24 23:51:15,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:51:15,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:51:15,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:51:15,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:51:15,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:51:15,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:51:15,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:51:15,014 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-24 23:51:15,017 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-24 23:51:15,017 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-24 23:51:15,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:51:15,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:51:15,020 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-24 23:51:15,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-24 23:51:15,022 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-24 23:51:15,022 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-24 23:51:15,022 INFO L474 LassoAnalysis]: Proved termination. [2024-10-24 23:51:15,022 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 23 Supporting invariants [] [2024-10-24 23:51:15,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-24 23:51:15,039 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-24 23:51:15,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:15,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 23:51:15,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:15,107 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 23:51:15,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:15,108 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 [2024-10-24 23:51:15,108 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 23:51:15,119 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) Result 26 states and 29 transitions. Complement of second has 3 states. [2024-10-24 23:51:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-24 23:51:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 23:51:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-10-24 23:51:15,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 15 letters. Loop has 1 letters. [2024-10-24 23:51:15,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:15,121 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-24 23:51:15,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:15,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 23:51:15,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:15,184 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 23:51:15,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:15,185 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 [2024-10-24 23:51:15,186 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 23:51:15,194 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) Result 26 states and 29 transitions. Complement of second has 3 states. [2024-10-24 23:51:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-24 23:51:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 23:51:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-10-24 23:51:15,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 15 letters. Loop has 1 letters. [2024-10-24 23:51:15,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:15,198 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-24 23:51:15,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:51:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:15,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 23:51:15,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:51:15,258 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 23:51:15,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:51:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:51:15,260 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 [2024-10-24 23:51:15,260 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 23:51:15,269 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) Result 17 states and 19 transitions. Complement of second has 2 states. [2024-10-24 23:51:15,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-24 23:51:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 23:51:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2024-10-24 23:51:15,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 15 letters. Loop has 1 letters. [2024-10-24 23:51:15,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:15,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 16 letters. Loop has 1 letters. [2024-10-24 23:51:15,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:15,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 15 letters. Loop has 2 letters. [2024-10-24 23:51:15,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:51:15,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2024-10-24 23:51:15,273 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-24 23:51:15,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2024-10-24 23:51:15,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-24 23:51:15,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-24 23:51:15,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-24 23:51:15,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-24 23:51:15,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:51:15,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:51:15,276 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:51:15,277 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-24 23:51:15,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-24 23:51:15,277 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-24 23:51:15,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-24 23:51:15,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.10 11:51:15 BoogieIcfgContainer [2024-10-24 23:51:15,285 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-24 23:51:15,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:51:15,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:51:15,285 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:51:15,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:51:11" (3/4) ... [2024-10-24 23:51:15,287 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 23:51:15,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:51:15,291 INFO L158 Benchmark]: Toolchain (without parser) took 4279.66ms. Allocated memory was 165.7MB in the beginning and 255.9MB in the end (delta: 90.2MB). Free memory was 111.8MB in the beginning and 159.4MB in the end (delta: -47.6MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2024-10-24 23:51:15,291 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 165.7MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:51:15,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.70ms. Allocated memory is still 165.7MB. Free memory was 111.8MB in the beginning and 100.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-24 23:51:15,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.66ms. Allocated memory is still 165.7MB. Free memory was 100.6MB in the beginning and 99.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:51:15,291 INFO L158 Benchmark]: Boogie Preprocessor took 25.81ms. Allocated memory is still 165.7MB. Free memory was 99.5MB in the beginning and 97.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:51:15,292 INFO L158 Benchmark]: RCFGBuilder took 224.93ms. Allocated memory is still 165.7MB. Free memory was 97.9MB in the beginning and 88.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-24 23:51:15,292 INFO L158 Benchmark]: BuchiAutomizer took 3739.87ms. Allocated memory was 165.7MB in the beginning and 255.9MB in the end (delta: 90.2MB). Free memory was 88.7MB in the beginning and 160.4MB in the end (delta: -71.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-10-24 23:51:15,292 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 255.9MB. Free memory was 160.4MB in the beginning and 159.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:51:15,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 165.7MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.70ms. Allocated memory is still 165.7MB. Free memory was 111.8MB in the beginning and 100.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.66ms. Allocated memory is still 165.7MB. Free memory was 100.6MB in the beginning and 99.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.81ms. Allocated memory is still 165.7MB. Free memory was 99.5MB in the beginning and 97.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 224.93ms. Allocated memory is still 165.7MB. Free memory was 97.9MB in the beginning and 88.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3739.87ms. Allocated memory was 165.7MB in the beginning and 255.9MB in the end (delta: 90.2MB). Free memory was 88.7MB in the beginning and 160.4MB in the end (delta: -71.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 255.9MB. Free memory was 160.4MB in the beginning and 159.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) -2 * i) + 19) and consists of 3 locations. One deterministic module has affine ranking function (((long) -2 * j) + 23) and consists of 2 locations. One nondeterministic module has affine ranking function (((long) -2 * j) + 23) and consists of 2 locations. 3 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 7 iterations. TraceHistogramMax:9. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 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: 45/45 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 38 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax180 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 3 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! [2024-10-24 23:51:15,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-24 23:51:15,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-24 23:51:15,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 23:51:15,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 23:51:16,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE