./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/java_Nested.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/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 0.3.0-?-e2fb8be-m [2025-03-09 06:50:44,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:50:44,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-09 06:50:44,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:50:44,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:50:44,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 06:50:44,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:50:44,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:50:44,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:50:44,426 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:50:44,427 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:50:44,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:50:44,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:50:44,427 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:50:44,427 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 06:50:44,427 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 06:50:44,427 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 06:50:44,427 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 06:50:44,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:50:44,428 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:50:44,429 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:50:44,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:50:44,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:50:44,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:50:44,429 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 06:50:44,429 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 [2025-03-09 06:50:44,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:50:44,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:50:44,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:50:44,676 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:50:44,676 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:50:44,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_Nested.c [2025-03-09 06:50:45,821 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2f7d644/9480b2fca54348329265d9640ea232f4/FLAGc915560d8 [2025-03-09 06:50:46,010 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:50:46,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2025-03-09 06:50:46,015 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2f7d644/9480b2fca54348329265d9640ea232f4/FLAGc915560d8 [2025-03-09 06:50:46,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2f7d644/9480b2fca54348329265d9640ea232f4 [2025-03-09 06:50:46,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:50:46,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:50:46,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:50:46,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:50:46,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:50:46,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628ee922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46, skipping insertion in model container [2025-03-09 06:50:46,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:50:46,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:50:46,499 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:50:46,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:50:46,517 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:50:46,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46 WrapperNode [2025-03-09 06:50:46,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:50:46,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:50:46,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:50:46,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:50:46,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,533 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2025-03-09 06:50:46,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:50:46,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:50:46,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:50:46,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:50:46,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,541 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,544 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-09 06:50:46,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,546 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:50:46,550 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:50:46,551 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:50:46,551 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:50:46,552 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (1/1) ... [2025-03-09 06:50:46,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:46,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:46,580 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) [2025-03-09 06:50:46,583 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 [2025-03-09 06:50:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:50:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:50:46,646 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:50:46,648 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:50:46,700 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2025-03-09 06:50:46,701 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:50:46,707 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:50:46,707 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:50:46,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:50:46 BoogieIcfgContainer [2025-03-09 06:50:46,708 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:50:46,709 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 06:50:46,709 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 06:50:46,713 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 06:50:46,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:50:46,714 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 06:50:46" (1/3) ... [2025-03-09 06:50:46,715 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@471bbdf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 06:50:46, skipping insertion in model container [2025-03-09 06:50:46,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:50:46,715 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:50:46" (2/3) ... [2025-03-09 06:50:46,716 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@471bbdf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 06:50:46, skipping insertion in model container [2025-03-09 06:50:46,716 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:50:46,716 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:50:46" (3/3) ... [2025-03-09 06:50:46,717 INFO L363 chiAutomizerObserver]: Analyzing ICFG java_Nested.c [2025-03-09 06:50:46,763 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 06:50:46,763 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 06:50:46,763 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 06:50:46,763 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 06:50:46,763 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 06:50:46,763 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 06:50:46,763 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 06:50:46,764 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 06:50:46,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:46,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-09 06:50:46,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:50:46,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:50:46,781 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 06:50:46,781 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-09 06:50:46,782 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 06:50:46,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:46,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-09 06:50:46,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:50:46,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:50:46,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 06:50:46,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-09 06:50:46,788 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0;" [2025-03-09 06:50:46,789 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 10;main_~j~0#1 := 3;" "assume !(main_~j~0#1 < 12);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-09 06:50:46,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:46,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1184, now seen corresponding path program 1 times [2025-03-09 06:50:46,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:46,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700465015] [2025-03-09 06:50:46,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:50:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:46,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:46,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:46,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:46,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:46,854 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:46,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:46,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:46,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:46,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:46,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:46,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:46,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1119, now seen corresponding path program 1 times [2025-03-09 06:50:46,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:46,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348538349] [2025-03-09 06:50:46,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:50:46,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:46,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:46,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:46,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:46,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:46,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:46,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:50:46,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348538349] [2025-03-09 06:50:46,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348538349] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:50:46,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:50:46,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:50:46,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668746144] [2025-03-09 06:50:46,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:50:46,944 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 06:50:46,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:50:46,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:50:46,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:50:46,965 INFO L87 Difference]: Start difference. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2025-03-09 06:50:46,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:50:46,981 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2025-03-09 06:50:46,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2025-03-09 06:50:46,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-09 06:50:46,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 5 states and 6 transitions. [2025-03-09 06:50:46,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2025-03-09 06:50:46,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2025-03-09 06:50:46,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2025-03-09 06:50:46,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:50:46,987 INFO L218 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2025-03-09 06:50:46,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2025-03-09 06:50:47,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2025-03-09 06:50:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2025-03-09 06:50:47,001 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2025-03-09 06:50:47,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:50:47,004 INFO L432 stractBuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2025-03-09 06:50:47,004 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 06:50:47,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2025-03-09 06:50:47,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-09 06:50:47,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:50:47,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:50:47,005 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 06:50:47,005 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-09 06:50:47,005 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~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;" [2025-03-09 06:50:47,005 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 10;main_~j~0#1 := 3;" "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;" "assume !(main_~j~0#1 < 12);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-09 06:50:47,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:47,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1184, now seen corresponding path program 2 times [2025-03-09 06:50:47,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:47,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511125350] [2025-03-09 06:50:47,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:50:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:47,009 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:47,010 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:47,010 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:50:47,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,010 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:47,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:47,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:47,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:47,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:47,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:47,012 INFO L85 PathProgramCache]: Analyzing trace with hash 34723, now seen corresponding path program 1 times [2025-03-09 06:50:47,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:47,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812835604] [2025-03-09 06:50:47,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:50:47,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:47,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:50:47,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:50:47,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:47,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:47,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:50:47,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812835604] [2025-03-09 06:50:47,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812835604] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:50:47,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291604202] [2025-03-09 06:50:47,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:50:47,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:50:47,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:47,065 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) [2025-03-09 06:50:47,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 06:50:47,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:50:47,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:50:47,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:47,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:47,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 06:50:47,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:47,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:47,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:50:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:47,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291604202] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:50:47,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:50:47,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-03-09 06:50:47,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394353294] [2025-03-09 06:50:47,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:50:47,138 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 06:50:47,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:50:47,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:50:47,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:50:47,139 INFO L87 Difference]: Start difference. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2025-03-09 06:50:47,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:50:47,154 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2025-03-09 06:50:47,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2025-03-09 06:50:47,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-09 06:50:47,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 9 transitions. [2025-03-09 06:50:47,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2025-03-09 06:50:47,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-03-09 06:50:47,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2025-03-09 06:50:47,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:50:47,155 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2025-03-09 06:50:47,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2025-03-09 06:50:47,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2025-03-09 06:50:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2025-03-09 06:50:47,156 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2025-03-09 06:50:47,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 06:50:47,157 INFO L432 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2025-03-09 06:50:47,157 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 06:50:47,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2025-03-09 06:50:47,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-09 06:50:47,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:50:47,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:50:47,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 06:50:47,158 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 1, 1] [2025-03-09 06:50:47,158 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0;" [2025-03-09 06:50:47,158 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 10;main_~j~0#1 := 3;" "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;" "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;" "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;" "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;" "assume !(main_~j~0#1 < 12);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-09 06:50:47,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1184, now seen corresponding path program 3 times [2025-03-09 06:50:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:47,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64309136] [2025-03-09 06:50:47,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:50:47,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:47,162 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:47,162 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:47,162 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:50:47,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,163 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:47,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:47,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:47,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:47,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:47,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:47,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1034466655, now seen corresponding path program 2 times [2025-03-09 06:50:47,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:47,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707104766] [2025-03-09 06:50:47,165 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:50:47,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:47,169 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-03-09 06:50:47,177 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:50:47,177 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:50:47,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:47,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:50:47,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707104766] [2025-03-09 06:50:47,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707104766] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:50:47,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990342071] [2025-03-09 06:50:47,252 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:50:47,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:50:47,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:47,254 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) [2025-03-09 06:50:47,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 06:50:47,274 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-03-09 06:50:47,283 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:50:47,283 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:50:47,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:47,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 06:50:47,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:47,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:50:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:47,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990342071] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:50:47,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:50:47,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-09 06:50:47,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61435740] [2025-03-09 06:50:47,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:50:47,381 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 06:50:47,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:50:47,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:50:47,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:50:47,381 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. cyclomatic complexity: 2 Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 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) [2025-03-09 06:50:47,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:50:47,400 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2025-03-09 06:50:47,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2025-03-09 06:50:47,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2025-03-09 06:50:47,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 14 transitions. [2025-03-09 06:50:47,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2025-03-09 06:50:47,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2025-03-09 06:50:47,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 14 transitions. [2025-03-09 06:50:47,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:50:47,401 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2025-03-09 06:50:47,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 14 transitions. [2025-03-09 06:50:47,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-03-09 06:50:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2025-03-09 06:50:47,402 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2025-03-09 06:50:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:50:47,403 INFO L432 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2025-03-09 06:50:47,403 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-09 06:50:47,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2025-03-09 06:50:47,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2025-03-09 06:50:47,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:50:47,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:50:47,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-09 06:50:47,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [9, 1, 1] [2025-03-09 06:50:47,404 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~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;" [2025-03-09 06:50:47,404 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 10;main_~j~0#1 := 3;" "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;" "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;" "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;" "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;" "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;" "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;" "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;" "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;" "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;" "assume !(main_~j~0#1 < 12);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-09 06:50:47,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:47,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1184, now seen corresponding path program 4 times [2025-03-09 06:50:47,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:47,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682046227] [2025-03-09 06:50:47,405 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 06:50:47,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:47,410 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 2 statements into 2 equivalence classes. [2025-03-09 06:50:47,411 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:47,411 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 06:50:47,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,412 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:47,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:47,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:47,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:47,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:47,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:47,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1936988765, now seen corresponding path program 3 times [2025-03-09 06:50:47,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:47,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56258786] [2025-03-09 06:50:47,421 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:50:47,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:47,426 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 11 statements into 6 equivalence classes. [2025-03-09 06:50:47,438 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 06:50:47,439 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-03-09 06:50:47,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,439 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:47,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 06:50:47,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 06:50:47,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:47,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:47,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:47,456 INFO L85 PathProgramCache]: Analyzing trace with hash 444012452, now seen corresponding path program 1 times [2025-03-09 06:50:47,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:47,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287081153] [2025-03-09 06:50:47,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:50:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:47,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:50:47,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:50:47,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:47,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,468 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:47,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:50:47,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:50:47,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:47,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:47,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:47,680 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:50:47,681 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:50:47,681 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:50:47,681 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:50:47,681 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-09 06:50:47,681 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:47,682 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:50:47,682 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:50:47,682 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration4_Loop [2025-03-09 06:50:47,682 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:50:47,682 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:50:47,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,769 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:50:47,769 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-09 06:50:47,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:47,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:47,773 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) [2025-03-09 06:50:47,775 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 [2025-03-09 06:50:47,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:47,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:47,798 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:50:47,798 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: [] [2025-03-09 06:50:47,805 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 [2025-03-09 06:50:47,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:47,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:47,808 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) [2025-03-09 06:50:47,810 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 [2025-03-09 06:50:47,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:47,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:47,831 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:50:47,831 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: [] [2025-03-09 06:50:47,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-03-09 06:50:47,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:47,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:47,838 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) [2025-03-09 06:50:47,839 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 [2025-03-09 06:50:47,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:47,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:47,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-09 06:50:47,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:47,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:47,859 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) [2025-03-09 06:50:47,860 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 [2025-03-09 06:50:47,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 06:50:47,862 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:47,889 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:50:47,889 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=-1}, {ULTIMATE.start_main_~c~0#1=-1}, {ULTIMATE.start_main_~c~0#1=11}] Lambdas: [0, 1, 1] Nus: [1, 0] [2025-03-09 06:50:47,896 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 [2025-03-09 06:50:47,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:47,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:47,902 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) [2025-03-09 06:50:47,908 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 [2025-03-09 06:50:47,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:47,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:47,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-03-09 06:50:47,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:47,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:47,928 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) [2025-03-09 06:50:47,929 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 [2025-03-09 06:50:47,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 06:50:47,930 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:47,953 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-09 06:50:47,958 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 [2025-03-09 06:50:47,958 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:50:47,958 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:50:47,959 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:50:47,959 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:50:47,959 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:50:47,959 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:47,959 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:50:47,959 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:50:47,959 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration4_Loop [2025-03-09 06:50:47,959 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:50:47,959 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:50:47,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:47,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,012 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:50:48,015 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:50:48,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,017 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) [2025-03-09 06:50:48,018 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 [2025-03-09 06:50:48,020 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 [2025-03-09 06:50:48,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:50:48,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:50:48,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:48,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-03-09 06:50:48,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,054 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) [2025-03-09 06:50:48,056 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 [2025-03-09 06:50:48,057 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 [2025-03-09 06:50:48,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:50:48,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:50:48,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:50:48,073 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:48,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-03-09 06:50:48,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,083 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) [2025-03-09 06:50:48,085 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 [2025-03-09 06:50:48,086 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 [2025-03-09 06:50:48,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:50:48,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:50:48,102 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:48,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-09 06:50:48,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,110 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) [2025-03-09 06:50:48,112 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 [2025-03-09 06:50:48,113 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 [2025-03-09 06:50:48,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:50:48,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:50:48,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:50:48,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:48,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-03-09 06:50:48,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,133 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) [2025-03-09 06:50:48,133 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 [2025-03-09 06:50:48,134 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 [2025-03-09 06:50:48,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:50:48,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:50:48,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:50:48,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:50:48,150 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-09 06:50:48,152 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-09 06:50:48,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,156 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) [2025-03-09 06:50:48,157 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 [2025-03-09 06:50:48,157 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:50:48,157 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-09 06:50:48,157 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:50:48,158 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 [] [2025-03-09 06:50:48,163 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 [2025-03-09 06:50:48,165 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-09 06:50:48,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:48,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:50:48,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:50:48,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:48,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 06:50:48,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:48,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 06:50:48,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 06:50:48,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:48,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 06:50:48,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-09 06:50:48,285 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 [2025-03-09 06:50:48,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:48,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 27 transitions. Complement of second has 4 states. [2025-03-09 06:50:48,321 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 [2025-03-09 06:50:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2025-03-09 06:50:48,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 11 letters. [2025-03-09 06:50:48,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:48,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 13 letters. Loop has 11 letters. [2025-03-09 06:50:48,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:48,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 22 letters. [2025-03-09 06:50:48,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:48,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2025-03-09 06:50:48,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-09 06:50:48,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2025-03-09 06:50:48,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-03-09 06:50:48,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2025-03-09 06:50:48,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2025-03-09 06:50:48,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-09 06:50:48,331 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2025-03-09 06:50:48,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2025-03-09 06:50:48,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 15. [2025-03-09 06:50:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2025-03-09 06:50:48,333 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2025-03-09 06:50:48,333 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2025-03-09 06:50:48,333 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-03-09 06:50:48,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2025-03-09 06:50:48,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-09 06:50:48,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:50:48,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:50:48,335 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-09 06:50:48,335 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-09 06:50:48,335 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~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;" "assume main_~i~0#1 < 10;main_~j~0#1 := 3;" [2025-03-09 06:50:48,335 INFO L754 eck$LassoCheckResult]: Loop: "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;" [2025-03-09 06:50:48,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:48,336 INFO L85 PathProgramCache]: Analyzing trace with hash 36709, now seen corresponding path program 1 times [2025-03-09 06:50:48,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:48,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978086037] [2025-03-09 06:50:48,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:50:48,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:48,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:50:48,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:50:48,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,340 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:48,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:50:48,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:50:48,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:48,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:48,343 INFO L85 PathProgramCache]: Analyzing trace with hash 35, now seen corresponding path program 1 times [2025-03-09 06:50:48,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:48,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264091227] [2025-03-09 06:50:48,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:50:48,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:48,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:50:48,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:50:48,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,345 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:48,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:50:48,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:50:48,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:48,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:48,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1137983, now seen corresponding path program 1 times [2025-03-09 06:50:48,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:48,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741922890] [2025-03-09 06:50:48,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:50:48,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:48,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:50:48,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:50:48,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,353 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:48,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:50:48,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:50:48,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:48,375 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:50:48,375 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:50:48,375 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:50:48,375 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:50:48,375 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-09 06:50:48,375 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,375 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:50:48,375 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:50:48,375 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration5_Loop [2025-03-09 06:50:48,375 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:50:48,375 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:50:48,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,425 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:50:48,425 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-09 06:50:48,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,429 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) [2025-03-09 06:50:48,430 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 [2025-03-09 06:50:48,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:48,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:48,449 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:50:48,450 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: [] [2025-03-09 06:50:48,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-03-09 06:50:48,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,457 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) [2025-03-09 06:50:48,458 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 [2025-03-09 06:50:48,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:48,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:48,476 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:50:48,476 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: [] [2025-03-09 06:50:48,482 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 [2025-03-09 06:50:48,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,484 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) [2025-03-09 06:50:48,485 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 [2025-03-09 06:50:48,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:48,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:48,503 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 [2025-03-09 06:50:48,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,505 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) [2025-03-09 06:50:48,506 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 [2025-03-09 06:50:48,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 06:50:48,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:48,534 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:50:48,534 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=1}, {ULTIMATE.start_main_~c~0#1=-4}] Lambdas: [1, 5, 1] Nus: [0, 1] [2025-03-09 06:50:48,540 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 [2025-03-09 06:50:48,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,543 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) [2025-03-09 06:50:48,544 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 [2025-03-09 06:50:48,545 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:48,545 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:48,562 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 [2025-03-09 06:50:48,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,564 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) [2025-03-09 06:50:48,564 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 [2025-03-09 06:50:48,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 06:50:48,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:48,588 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-09 06:50:48,594 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 [2025-03-09 06:50:48,595 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:50:48,595 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:50:48,595 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:50:48,595 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:50:48,595 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:50:48,595 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,595 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:50:48,595 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:50:48,595 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration5_Loop [2025-03-09 06:50:48,596 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:50:48,596 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:50:48,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,648 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:50:48,650 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:50:48,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,652 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) [2025-03-09 06:50:48,654 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 [2025-03-09 06:50:48,655 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 [2025-03-09 06:50:48,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:50:48,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:50:48,671 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:48,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-03-09 06:50:48,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,680 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) [2025-03-09 06:50:48,682 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 [2025-03-09 06:50:48,683 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 [2025-03-09 06:50:48,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:50:48,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:50:48,698 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:48,704 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 [2025-03-09 06:50:48,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,706 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) [2025-03-09 06:50:48,707 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 [2025-03-09 06:50:48,709 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 [2025-03-09 06:50:48,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:50:48,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:50:48,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:50:48,723 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:48,729 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 [2025-03-09 06:50:48,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,731 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) [2025-03-09 06:50:48,733 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 [2025-03-09 06:50:48,734 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 [2025-03-09 06:50:48,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:48,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:50:48,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:48,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:48,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:48,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:50:48,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:50:48,750 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:50:48,752 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-09 06:50:48,752 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-09 06:50:48,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,754 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) [2025-03-09 06:50:48,755 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 [2025-03-09 06:50:48,756 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:50:48,756 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-09 06:50:48,756 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:50:48,756 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 [] [2025-03-09 06:50:48,761 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 [2025-03-09 06:50:48,762 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-09 06:50:48,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:48,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:50:48,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:50:48,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:48,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 06:50:48,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:48,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:50:48,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:50:48,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:48,789 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 06:50:48,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:48,790 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 [2025-03-09 06:50:48,790 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 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) [2025-03-09 06:50:48,798 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 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 27 states and 31 transitions. Complement of second has 3 states. [2025-03-09 06:50:48,798 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 [2025-03-09 06:50:48,799 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) [2025-03-09 06:50:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2025-03-09 06:50:48,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 1 letters. [2025-03-09 06:50:48,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:48,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 4 letters. Loop has 1 letters. [2025-03-09 06:50:48,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:48,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 2 letters. [2025-03-09 06:50:48,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:48,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2025-03-09 06:50:48,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-09 06:50:48,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2025-03-09 06:50:48,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2025-03-09 06:50:48,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2025-03-09 06:50:48,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2025-03-09 06:50:48,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-09 06:50:48,801 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2025-03-09 06:50:48,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2025-03-09 06:50:48,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 15. [2025-03-09 06:50:48,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:50:48,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-03-09 06:50:48,802 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-03-09 06:50:48,802 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-03-09 06:50:48,802 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-03-09 06:50:48,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2025-03-09 06:50:48,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-09 06:50:48,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:50:48,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:50:48,802 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 2, 1, 1, 1] [2025-03-09 06:50:48,802 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-09 06:50:48,803 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~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;" "assume main_~i~0#1 < 10;main_~j~0#1 := 3;" "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;" "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;" "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;" "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;" "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;" "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;" "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;" "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;" "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;" "assume !(main_~j~0#1 < 12);main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < 10;main_~j~0#1 := 3;" [2025-03-09 06:50:48,803 INFO L754 eck$LassoCheckResult]: Loop: "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;" [2025-03-09 06:50:48,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:48,803 INFO L85 PathProgramCache]: Analyzing trace with hash 879484129, now seen corresponding path program 2 times [2025-03-09 06:50:48,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:48,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713455708] [2025-03-09 06:50:48,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:50:48,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:48,806 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-03-09 06:50:48,813 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:50:48,813 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:50:48,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,813 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:48,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:50:48,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:50:48,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:48,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash 35, now seen corresponding path program 2 times [2025-03-09 06:50:48,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:48,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277224444] [2025-03-09 06:50:48,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:50:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:48,827 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:50:48,828 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:50:48,828 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:50:48,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,828 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:48,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:50:48,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:50:48,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:48,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:48,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1494204227, now seen corresponding path program 3 times [2025-03-09 06:50:48,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:50:48,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75199561] [2025-03-09 06:50:48,833 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:50:48,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:50:48,839 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 15 statements into 7 equivalence classes. [2025-03-09 06:50:48,846 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:50:48,847 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-03-09 06:50:48,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,847 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:50:48,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 06:50:48,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 06:50:48,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:48,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:50:48,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:50:48,874 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:50:48,874 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:50:48,874 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:50:48,874 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:50:48,874 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-09 06:50:48,874 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,874 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:50:48,874 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:50:48,874 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration6_Loop [2025-03-09 06:50:48,874 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:50:48,874 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:50:48,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:48,920 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:50:48,920 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-09 06:50:48,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,923 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) [2025-03-09 06:50:48,924 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 [2025-03-09 06:50:48,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:48,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:48,944 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:50:48,944 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: [] [2025-03-09 06:50:48,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-03-09 06:50:48,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,956 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) [2025-03-09 06:50:48,958 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 [2025-03-09 06:50:48,959 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:48,959 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:48,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-03-09 06:50:48,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:48,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:48,978 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) [2025-03-09 06:50:48,980 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 [2025-03-09 06:50:48,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 06:50:48,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:49,007 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-09 06:50:49,007 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=1}, {ULTIMATE.start_main_~c~0#1=-4}] Lambdas: [1, 5, 1] Nus: [0, 1] [2025-03-09 06:50:49,014 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 [2025-03-09 06:50:49,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:49,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:49,016 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) [2025-03-09 06:50:49,020 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 [2025-03-09 06:50:49,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-09 06:50:49,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:49,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-03-09 06:50:49,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:49,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:49,040 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) [2025-03-09 06:50:49,041 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 [2025-03-09 06:50:49,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-09 06:50:49,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-09 06:50:49,064 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-09 06:50:49,067 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 [2025-03-09 06:50:49,068 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:50:49,068 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:50:49,068 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:50:49,068 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:50:49,068 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:50:49,068 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:49,068 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:50:49,068 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:50:49,068 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration6_Loop [2025-03-09 06:50:49,068 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:50:49,068 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:50:49,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:49,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:49,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:49,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:50:49,130 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:50:49,130 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:50:49,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:49,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:49,134 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) [2025-03-09 06:50:49,135 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 [2025-03-09 06:50:49,140 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 [2025-03-09 06:50:49,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:49,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:49,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:49,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:49,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:50:49,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:50:49,154 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:49,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-03-09 06:50:49,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:49,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:49,162 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) [2025-03-09 06:50:49,163 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 [2025-03-09 06:50:49,165 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 [2025-03-09 06:50:49,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:49,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:50:49,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:49,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:49,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:49,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:50:49,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:50:49,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:50:49,183 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 [2025-03-09 06:50:49,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:49,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:49,185 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) [2025-03-09 06:50:49,185 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 [2025-03-09 06:50:49,186 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 [2025-03-09 06:50:49,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:50:49,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:50:49,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:50:49,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:50:49,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:50:49,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:50:49,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:50:49,198 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:50:49,200 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-09 06:50:49,200 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-09 06:50:49,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:50:49,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:50:49,202 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) [2025-03-09 06:50:49,203 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 [2025-03-09 06:50:49,203 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:50:49,203 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-09 06:50:49,204 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:50:49,204 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 [] [2025-03-09 06:50:49,209 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 [2025-03-09 06:50:49,210 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-09 06:50:49,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:49,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:50:49,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:50:49,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:49,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:49,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 06:50:49,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:49,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:50:49,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:50:49,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:49,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:49,246 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 06:50:49,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:49,246 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 [2025-03-09 06:50:49,247 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2025-03-09 06:50:49,253 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 28 transitions. Complement of second has 3 states. [2025-03-09 06:50:49,254 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 [2025-03-09 06:50:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2025-03-09 06:50:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2025-03-09 06:50:49,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 14 letters. Loop has 1 letters. [2025-03-09 06:50:49,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:49,254 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-09 06:50:49,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:49,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:50:49,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:50:49,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:49,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:49,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 06:50:49,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:49,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-03-09 06:50:49,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-03-09 06:50:49,313 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 [2025-03-09 06:50:49,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:50:49,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:50:49,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:49,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:49,326 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 06:50:49,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:49,327 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 [2025-03-09 06:50:49,327 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2025-03-09 06:50:49,331 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 28 transitions. Complement of second has 3 states. [2025-03-09 06:50:49,332 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 [2025-03-09 06:50:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2025-03-09 06:50:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2025-03-09 06:50:49,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 14 letters. Loop has 1 letters. [2025-03-09 06:50:49,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:49,333 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-09 06:50:49,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:50:49,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:50:49,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:50:49,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:49,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:49,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 06:50:49,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:49,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-09 06:50:49,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-09 06:50:49,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:50:49,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:50:49,373 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 06:50:49,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:50:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:50:49,374 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 [2025-03-09 06:50:49,374 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2025-03-09 06:50:49,381 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 18 transitions. Complement of second has 2 states. [2025-03-09 06:50:49,382 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 [2025-03-09 06:50:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2025-03-09 06:50:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2025-03-09 06:50:49,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 14 letters. Loop has 1 letters. [2025-03-09 06:50:49,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:49,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 15 letters. Loop has 1 letters. [2025-03-09 06:50:49,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:49,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-09 06:50:49,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:50:49,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2025-03-09 06:50:49,383 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 06:50:49,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2025-03-09 06:50:49,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-09 06:50:49,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-09 06:50:49,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-09 06:50:49,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:50:49,384 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:50:49,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:50:49,384 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:50:49,384 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-03-09 06:50:49,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-09 06:50:49,384 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 06:50:49,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-09 06:50:49,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 06:50:49 BoogieIcfgContainer [2025-03-09 06:50:49,389 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 06:50:49,390 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 06:50:49,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 06:50:49,390 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 06:50:49,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:50:46" (3/4) ... [2025-03-09 06:50:49,392 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 06:50:49,392 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 06:50:49,393 INFO L158 Benchmark]: Toolchain (without parser) took 3001.07ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 121.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2025-03-09 06:50:49,393 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:50:49,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 123.27ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 114.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:50:49,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.67ms. Allocated memory is still 167.8MB. Free memory was 114.3MB in the beginning and 113.3MB in the end (delta: 956.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:50:49,393 INFO L158 Benchmark]: Boogie Preprocessor took 13.08ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 112.3MB in the end (delta: 967.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:50:49,393 INFO L158 Benchmark]: IcfgBuilder took 157.97ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 103.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:50:49,394 INFO L158 Benchmark]: BuchiAutomizer took 2680.68ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 122.7MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:50:49,394 INFO L158 Benchmark]: Witness Printer took 2.55ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 121.8MB in the end (delta: 882.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 06:50:49,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 123.27ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 114.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.67ms. Allocated memory is still 167.8MB. Free memory was 114.3MB in the beginning and 113.3MB in the end (delta: 956.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.08ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 112.3MB in the end (delta: 967.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 157.97ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 103.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2680.68ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 122.7MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.55ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 121.8MB in the end (delta: 882.2kB). Peak memory consumption was 8.4MB. 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 2.6s and 7 iterations. TraceHistogramMax:9. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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, 44 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 32 mSDtfsCounter, 54 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: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-09 06:50:49,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 06:50:49,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-09 06:50:49,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE