./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:15:40,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:15:40,670 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:15:40,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:15:40,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:15:40,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:15:40,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:15:40,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:15:40,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:15:40,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:15:40,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:15:40,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:15:40,715 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:15:40,716 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:15:40,717 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:15:40,718 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:15:40,718 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:15:40,718 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:15:40,719 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:15:40,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:15:40,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:15:40,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:15:40,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:15:40,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:15:40,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:15:40,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:15:40,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:15:40,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:15:40,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:15:40,723 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:15:40,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:15:40,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:15:40,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:15:40,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:15:40,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:15:40,725 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:15:40,725 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 [2024-10-12 00:15:41,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:15:41,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:15:41,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:15:41,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:15:41,092 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:15:41,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2024-10-12 00:15:42,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:15:42,872 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:15:42,873 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2024-10-12 00:15:42,879 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5cd349830/7e8ce8ec268049299ca6dc8641ce2629/FLAG3e32d6e52 [2024-10-12 00:15:43,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5cd349830/7e8ce8ec268049299ca6dc8641ce2629 [2024-10-12 00:15:43,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:15:43,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:15:43,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:15:43,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:15:43,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:15:43,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62eed1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43, skipping insertion in model container [2024-10-12 00:15:43,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:15:43,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:15:43,420 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:15:43,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:15:43,445 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:15:43,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43 WrapperNode [2024-10-12 00:15:43,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:15:43,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:15:43,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:15:43,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:15:43,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,472 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-10-12 00:15:43,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:15:43,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:15:43,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:15:43,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:15:43,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,490 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-12 00:15:43,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:15:43,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:15:43,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:15:43,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:15:43,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (1/1) ... [2024-10-12 00:15:43,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:43,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:43,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:43,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:15:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:15:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:15:43,673 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:15:43,676 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:15:43,757 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-12 00:15:43,758 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:15:43,776 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:15:43,776 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 00:15:43,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:15:43 BoogieIcfgContainer [2024-10-12 00:15:43,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:15:43,778 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:15:43,778 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:15:43,782 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:15:43,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:15:43,783 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:15:43" (1/3) ... [2024-10-12 00:15:43,784 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ace14dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:15:43, skipping insertion in model container [2024-10-12 00:15:43,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:15:43,785 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:43" (2/3) ... [2024-10-12 00:15:43,785 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ace14dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:15:43, skipping insertion in model container [2024-10-12 00:15:43,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:15:43,786 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:15:43" (3/3) ... [2024-10-12 00:15:43,788 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Nested.c [2024-10-12 00:15:43,851 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:15:43,851 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:15:43,851 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:15:43,852 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:15:43,852 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:15:43,852 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:15:43,853 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:15:43,853 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:15:43,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:43,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:15:43,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:43,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:43,884 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:15:43,884 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 00:15:43,884 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:15:43,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:43,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:15:43,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:43,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:43,888 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:15:43,888 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 00:15:43,896 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 4#L10-2true [2024-10-12 00:15:43,897 INFO L747 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 2#L12-2true assume !(main_~j~0#1 < 12); 5#L12-3true main_~i~0#1 := 1 + main_~i~0#1; 4#L10-2true [2024-10-12 00:15:43,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:43,906 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:15:43,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:43,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812907486] [2024-10-12 00:15:43,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:43,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:44,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:44,030 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2024-10-12 00:15:44,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:44,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260887789] [2024-10-12 00:15:44,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:44,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:15:44,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260887789] [2024-10-12 00:15:44,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260887789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:15:44,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:15:44,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 00:15:44,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818200814] [2024-10-12 00:15:44,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:15:44,120 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 00:15:44,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:15:44,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:15:44,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:15:44,166 INFO L87 Difference]: Start difference. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:44,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:15:44,187 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2024-10-12 00:15:44,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2024-10-12 00:15:44,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:15:44,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 6 states and 7 transitions. [2024-10-12 00:15:44,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-12 00:15:44,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-12 00:15:44,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2024-10-12 00:15:44,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:15:44,199 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-12 00:15:44,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2024-10-12 00:15:44,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-10-12 00:15:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2024-10-12 00:15:44,221 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-12 00:15:44,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:15:44,227 INFO L425 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-12 00:15:44,227 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:15:44,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2024-10-12 00:15:44,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:15:44,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:44,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:44,228 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:15:44,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:15:44,229 INFO L745 eck$LassoCheckResult]: Stem: 32#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 30#L10-2 [2024-10-12 00:15:44,229 INFO L747 eck$LassoCheckResult]: Loop: 30#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 28#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 29#L12-2 assume !(main_~j~0#1 < 12); 31#L12-3 main_~i~0#1 := 1 + main_~i~0#1; 30#L10-2 [2024-10-12 00:15:44,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-12 00:15:44,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:44,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235714877] [2024-10-12 00:15:44,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:44,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:44,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1271024, now seen corresponding path program 1 times [2024-10-12 00:15:44,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:44,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245910953] [2024-10-12 00:15:44,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:44,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:44,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:15:44,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245910953] [2024-10-12 00:15:44,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245910953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:15:44,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207112185] [2024-10-12 00:15:44,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:15:44,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:44,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:15:44,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 00:15:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:44,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 00:15:44,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:44,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:15:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:44,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207112185] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:15:44,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:15:44,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-12 00:15:44,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222046920] [2024-10-12 00:15:44,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:15:44,422 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 00:15:44,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:15:44,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 00:15:44,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-12 00:15:44,424 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:44,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:15:44,445 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-10-12 00:15:44,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-12 00:15:44,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-12 00:15:44,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2024-10-12 00:15:44,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-12 00:15:44,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-12 00:15:44,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-10-12 00:15:44,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:15:44,447 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:15:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-10-12 00:15:44,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-12 00:15:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-10-12 00:15:44,449 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:15:44,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 00:15:44,451 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:15:44,451 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:15:44,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-10-12 00:15:44,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-12 00:15:44,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:44,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:44,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:15:44,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 1, 1, 1] [2024-10-12 00:15:44,453 INFO L745 eck$LassoCheckResult]: Stem: 74#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 75#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 72#L10-2 [2024-10-12 00:15:44,453 INFO L747 eck$LassoCheckResult]: Loop: 72#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 70#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 71#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 78#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 77#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 76#L12-2 assume !(main_~j~0#1 < 12); 73#L12-3 main_~i~0#1 := 1 + main_~i~0#1; 72#L10-2 [2024-10-12 00:15:44,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:44,454 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-10-12 00:15:44,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:44,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42563857] [2024-10-12 00:15:44,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:44,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:44,467 INFO L85 PathProgramCache]: Analyzing trace with hash -787882000, now seen corresponding path program 2 times [2024-10-12 00:15:44,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:44,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187649417] [2024-10-12 00:15:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:44,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:44,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:15:44,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187649417] [2024-10-12 00:15:44,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187649417] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:15:44,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719473533] [2024-10-12 00:15:44,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 00:15:44,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:15:44,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:44,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:15:44,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 00:15:44,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 00:15:44,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:15:44,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 00:15:44,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:44,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:15:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:44,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719473533] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:15:44,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:15:44,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-12 00:15:44,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427641097] [2024-10-12 00:15:44,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:15:44,859 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 00:15:44,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:15:44,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 00:15:44,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-12 00:15:44,860 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:44,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:15:44,883 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-10-12 00:15:44,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2024-10-12 00:15:44,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-12 00:15:44,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 15 transitions. [2024-10-12 00:15:44,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-12 00:15:44,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-12 00:15:44,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 15 transitions. [2024-10-12 00:15:44,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:15:44,888 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-10-12 00:15:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 15 transitions. [2024-10-12 00:15:44,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-12 00:15:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-10-12 00:15:44,892 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-10-12 00:15:44,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 00:15:44,894 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-10-12 00:15:44,894 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:15:44,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2024-10-12 00:15:44,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-12 00:15:44,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:44,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:44,895 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:15:44,895 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [9, 1, 1, 1] [2024-10-12 00:15:44,896 INFO L745 eck$LassoCheckResult]: Stem: 147#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 148#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 145#L10-2 [2024-10-12 00:15:44,896 INFO L747 eck$LassoCheckResult]: Loop: 145#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 143#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 144#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 156#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 155#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 154#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 153#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 152#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 151#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 150#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 149#L12-2 assume !(main_~j~0#1 < 12); 146#L12-3 main_~i~0#1 := 1 + main_~i~0#1; 145#L10-2 [2024-10-12 00:15:44,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:44,896 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2024-10-12 00:15:44,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:44,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182736188] [2024-10-12 00:15:44,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:44,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:44,917 INFO L85 PathProgramCache]: Analyzing trace with hash -219093776, now seen corresponding path program 3 times [2024-10-12 00:15:44,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:44,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858517621] [2024-10-12 00:15:44,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:44,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:44,979 INFO L85 PathProgramCache]: Analyzing trace with hash 995055026, now seen corresponding path program 1 times [2024-10-12 00:15:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:44,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517198408] [2024-10-12 00:15:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:44,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:45,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:45,374 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:45,375 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:45,375 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:45,375 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:45,375 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:15:45,375 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,375 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:45,375 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:45,375 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration4_Loop [2024-10-12 00:15:45,375 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:45,376 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:45,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,475 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:45,476 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:15:45,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,485 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:15:45,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:45,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:45,524 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:45,524 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:15:45,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:15:45,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,548 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:15:45,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:45,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:45,579 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:45,579 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:15:45,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:15:45,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:15:45,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:45,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:45,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:15:45,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:15:45,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:45,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:45,696 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:45,696 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=8}, {ULTIMATE.start_main_~c~0#1=7}, {ULTIMATE.start_main_~c~0#1=-6}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-10-12 00:15:45,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:45,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:15:45,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:45,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:45,723 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:45,723 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:15:45,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:45,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,736 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:15:45,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:45,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:45,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-12 00:15:45,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,762 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:15:45,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:45,765 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:45,802 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:15:45,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:15:45,808 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:45,808 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:45,808 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:45,808 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:45,808 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:15:45,809 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,809 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:45,809 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:45,809 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration4_Loop [2024-10-12 00:15:45,809 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:45,809 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:45,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:45,887 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:45,892 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:15:45,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,895 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:15:45,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:45,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:45,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:45,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:45,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:45,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:15:45,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:15:45,920 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:45,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-12 00:15:45,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,933 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:15:45,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:45,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:45,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:45,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:45,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:45,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:45,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:45,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:45,950 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:45,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:45,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:45,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:45,964 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:45,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:15:45,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:45,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:45,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:45,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:45,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:45,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:15:45,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:15:45,986 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:46,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,004 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:15:46,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:46,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:46,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:46,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:46,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:46,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:46,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:46,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:46,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:46,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,036 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 00:15:46,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:46,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:46,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:46,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:46,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:46,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:46,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:46,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:46,057 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:15:46,060 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:15:46,061 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:15:46,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,066 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-12 00:15:46,068 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:15:46,068 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:15:46,068 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:15:46,069 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2024-10-12 00:15:46,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,085 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:15:46,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:46,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:15:46,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:46,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:15:46,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-12 00:15:46,245 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:15:46,247 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:46,285 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 29 transitions. Complement of second has 4 states. [2024-10-12 00:15:46,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:15:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-12 00:15:46,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 12 letters. [2024-10-12 00:15:46,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:46,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 14 letters. Loop has 12 letters. [2024-10-12 00:15:46,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:46,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 24 letters. [2024-10-12 00:15:46,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:46,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2024-10-12 00:15:46,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:15:46,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 25 states and 28 transitions. [2024-10-12 00:15:46,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-12 00:15:46,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-12 00:15:46,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2024-10-12 00:15:46,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:15:46,295 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-10-12 00:15:46,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2024-10-12 00:15:46,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2024-10-12 00:15:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-10-12 00:15:46,301 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-12 00:15:46,301 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-12 00:15:46,301 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-12 00:15:46,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2024-10-12 00:15:46,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:15:46,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:46,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:46,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:15:46,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:15:46,303 INFO L745 eck$LassoCheckResult]: Stem: 250#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 251#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 247#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 244#L12-2 [2024-10-12 00:15:46,303 INFO L747 eck$LassoCheckResult]: Loop: 244#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 244#L12-2 [2024-10-12 00:15:46,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:46,304 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-12 00:15:46,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:46,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318278370] [2024-10-12 00:15:46,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:46,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:46,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:46,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:46,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:46,323 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2024-10-12 00:15:46,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:46,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496071522] [2024-10-12 00:15:46,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:46,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:46,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:46,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:46,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:46,339 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2024-10-12 00:15:46,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:46,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664303785] [2024-10-12 00:15:46,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:46,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:46,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:46,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:46,383 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:46,384 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:46,384 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:46,384 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:46,384 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:15:46,384 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,384 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:46,384 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:46,384 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration5_Loop [2024-10-12 00:15:46,384 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:46,385 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:46,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:46,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:46,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:46,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:46,448 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:46,448 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:15:46,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,452 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-12 00:15:46,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:46,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:46,479 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:46,479 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:15:46,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-12 00:15:46,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,498 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 00:15:46,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:46,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:46,524 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:46,524 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:15:46,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,539 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 00:15:46,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:46,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:46,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-12 00:15:46,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,571 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 00:15:46,574 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:46,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:46,609 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:46,609 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=4}, {ULTIMATE.start_main_~c~0#1=-8}, {ULTIMATE.start_main_~c~0#1=5}] Lambdas: [3, 1, 1] Nus: [1, 0] [2024-10-12 00:15:46,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-12 00:15:46,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,629 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 00:15:46,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:46,632 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:46,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,659 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 00:15:46,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:46,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:46,690 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:15:46,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,695 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:46,695 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:46,695 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:46,695 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:46,695 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:15:46,695 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,695 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:46,695 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:46,695 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration5_Loop [2024-10-12 00:15:46,695 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:46,695 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:46,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:46,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:46,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:46,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:46,756 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:46,757 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:15:46,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,761 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-12 00:15:46,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:46,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:46,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:46,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:46,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:46,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:15:46,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:15:46,783 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:46,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-12 00:15:46,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,801 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:46,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-12 00:15:46,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:46,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:46,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:46,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:46,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:15:46,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:15:46,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:46,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,846 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:46,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-12 00:15:46,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:46,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:46,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:46,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:46,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:46,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:46,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:46,871 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:46,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,888 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:46,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-12 00:15:46,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:46,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:46,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:46,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:46,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:46,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:46,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:46,926 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:15:46,932 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:15:46,933 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:15:46,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:46,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:46,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,936 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:46,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:15:46,941 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:15:46,942 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:15:46,942 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 23 Supporting invariants [] [2024-10-12 00:15:46,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-12 00:15:46,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:46,958 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:15:46,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:46,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:15:46,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:46,988 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:15:46,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:46,989 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-12 00:15:46,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:46,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 32 transitions. Complement of second has 3 states. [2024-10-12 00:15:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:15:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-10-12 00:15:47,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 1 letters. [2024-10-12 00:15:47,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:47,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 4 letters. Loop has 1 letters. [2024-10-12 00:15:47,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:47,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-12 00:15:47,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:47,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2024-10-12 00:15:47,002 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:15:47,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 29 transitions. [2024-10-12 00:15:47,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-10-12 00:15:47,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2024-10-12 00:15:47,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2024-10-12 00:15:47,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:15:47,002 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 29 transitions. [2024-10-12 00:15:47,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2024-10-12 00:15:47,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2024-10-12 00:15:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-10-12 00:15:47,005 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-12 00:15:47,005 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-12 00:15:47,005 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-12 00:15:47,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2024-10-12 00:15:47,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:15:47,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:47,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:47,008 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 2, 1, 1, 1, 1] [2024-10-12 00:15:47,008 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:15:47,008 INFO L745 eck$LassoCheckResult]: Stem: 322#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 323#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~c~0#1;main_~c~0#1 := 0;main_~i~0#1 := 0; 319#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 317#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 318#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 331#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 330#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 329#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 328#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 327#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 326#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 325#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 324#L12-2 assume !(main_~j~0#1 < 12); 321#L12-3 main_~i~0#1 := 1 + main_~i~0#1; 320#L10-2 assume !!(main_~i~0#1 < 10);main_~j~0#1 := 3; 316#L12-2 [2024-10-12 00:15:47,008 INFO L747 eck$LassoCheckResult]: Loop: 316#L12-2 assume !!(main_~j~0#1 < 12);main_~j~0#1 := main_~j~0#1 - 1;main_~c~0#1 := 1 + main_~c~0#1;main_~j~0#1 := 2 + main_~j~0#1; 316#L12-2 [2024-10-12 00:15:47,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:47,009 INFO L85 PathProgramCache]: Analyzing trace with hash 781934745, now seen corresponding path program 2 times [2024-10-12 00:15:47,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:47,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504004069] [2024-10-12 00:15:47,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:47,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:47,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:47,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:47,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:47,054 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 2 times [2024-10-12 00:15:47,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:47,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926881085] [2024-10-12 00:15:47,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:47,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:47,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:47,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:47,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:47,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1529826661, now seen corresponding path program 3 times [2024-10-12 00:15:47,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:47,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528183766] [2024-10-12 00:15:47,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:47,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:47,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:47,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:47,145 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:47,145 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:47,145 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:47,145 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:47,145 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:15:47,145 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,145 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:47,145 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:47,145 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration6_Loop [2024-10-12 00:15:47,145 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:47,145 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:47,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:47,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:47,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:47,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:47,203 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:47,204 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:15:47,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,205 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-12 00:15:47,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:47,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:47,227 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:47,228 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:15:47,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-12 00:15:47,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,241 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-12 00:15:47,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:47,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:47,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-12 00:15:47,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,266 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-12 00:15:47,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:47,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:47,295 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:47,295 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=4}, {ULTIMATE.start_main_~c~0#1=-8}, {ULTIMATE.start_main_~c~0#1=5}] Lambdas: [3, 1, 1] Nus: [1, 0] [2024-10-12 00:15:47,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-12 00:15:47,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,307 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-12 00:15:47,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:47,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:47,327 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:47,328 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:15:47,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-12 00:15:47,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,345 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-12 00:15:47,346 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:47,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:47,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:47,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,370 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-12 00:15:47,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:47,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:47,404 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:15:47,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-12 00:15:47,409 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:47,409 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:47,409 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:47,409 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:47,409 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:15:47,409 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,409 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:47,410 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:47,410 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested.c_Iteration6_Loop [2024-10-12 00:15:47,410 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:47,410 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:47,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:47,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:47,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:47,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:47,485 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:47,486 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:15:47,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,488 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-12 00:15:47,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:47,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:47,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:47,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:47,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:47,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:15:47,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:15:47,510 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:47,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:47,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,528 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-12 00:15:47,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:47,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:47,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:47,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:47,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:47,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:47,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:47,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:47,549 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:47,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-12 00:15:47,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,566 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-12 00:15:47,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:47,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:47,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:47,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:47,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:47,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:15:47,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:15:47,583 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:47,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-12 00:15:47,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,601 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-12 00:15:47,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:47,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:47,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:47,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:47,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:47,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:47,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:47,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:47,616 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:15:47,619 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-12 00:15:47,619 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:15:47,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:47,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:47,621 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:47,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-12 00:15:47,625 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:15:47,625 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:15:47,625 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:15:47,625 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 23 Supporting invariants [] [2024-10-12 00:15:47,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:47,643 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:15:47,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:47,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:15:47,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:47,697 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:15:47,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:47,698 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-12 00:15:47,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:47,709 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 29 transitions. Complement of second has 3 states. [2024-10-12 00:15:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:15:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-10-12 00:15:47,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 15 letters. Loop has 1 letters. [2024-10-12 00:15:47,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:47,711 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:15:47,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:47,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:15:47,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:47,782 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:15:47,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:47,783 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-12 00:15:47,783 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:47,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 29 transitions. Complement of second has 3 states. [2024-10-12 00:15:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:15:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-10-12 00:15:47,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 15 letters. Loop has 1 letters. [2024-10-12 00:15:47,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:47,799 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:15:47,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:47,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:15:47,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:47,864 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:15:47,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:47,865 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-12 00:15:47,866 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:47,872 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 19 transitions. Complement of second has 2 states. [2024-10-12 00:15:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:15:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:47,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2024-10-12 00:15:47,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 15 letters. Loop has 1 letters. [2024-10-12 00:15:47,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:47,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 16 letters. Loop has 1 letters. [2024-10-12 00:15:47,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:47,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 15 letters. Loop has 2 letters. [2024-10-12 00:15:47,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:47,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2024-10-12 00:15:47,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:15:47,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2024-10-12 00:15:47,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:15:47,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:15:47,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:15:47,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:15:47,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:15:47,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:15:47,876 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:15:47,876 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-12 00:15:47,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:15:47,876 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:15:47,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:15:47,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:15:47 BoogieIcfgContainer [2024-10-12 00:15:47,884 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:15:47,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:15:47,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:15:47,885 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:15:47,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:15:43" (3/4) ... [2024-10-12 00:15:47,887 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:15:47,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:15:47,888 INFO L158 Benchmark]: Toolchain (without parser) took 4671.36ms. Allocated memory is still 169.9MB. Free memory was 140.0MB in the beginning and 84.4MB in the end (delta: 55.6MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-10-12 00:15:47,889 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 169.9MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:15:47,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.03ms. Allocated memory is still 169.9MB. Free memory was 140.0MB in the beginning and 129.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-12 00:15:47,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.62ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 127.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:15:47,890 INFO L158 Benchmark]: Boogie Preprocessor took 25.64ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 126.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:15:47,890 INFO L158 Benchmark]: RCFGBuilder took 276.40ms. Allocated memory is still 169.9MB. Free memory was 126.3MB in the beginning and 117.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-12 00:15:47,890 INFO L158 Benchmark]: BuchiAutomizer took 4105.85ms. Allocated memory is still 169.9MB. Free memory was 117.2MB in the beginning and 84.4MB in the end (delta: 32.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-10-12 00:15:47,890 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 169.9MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:15:47,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 169.9MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.03ms. Allocated memory is still 169.9MB. Free memory was 140.0MB in the beginning and 129.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.62ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 127.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.64ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 126.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.40ms. Allocated memory is still 169.9MB. Free memory was 126.3MB in the beginning and 117.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4105.85ms. Allocated memory is still 169.9MB. Free memory was 117.2MB in the beginning and 84.4MB in the end (delta: 32.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Witness Printer took 3.62ms. Allocated memory is still 169.9MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 4.0s and 7 iterations. TraceHistogramMax:9. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 45/45 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 38 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax180 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:15:47,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-12 00:15:48,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:48,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-12 00:15:48,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:48,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE