./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb567b374acd8bb9754dd21f812a202296c7800faf8be127cd0c1294b076cd75 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 15:34:37,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 15:34:37,560 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-04 15:34:37,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 15:34:37,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 15:34:37,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 15:34:37,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 15:34:37,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 15:34:37,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 15:34:37,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 15:34:37,588 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 15:34:37,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 15:34:37,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 15:34:37,588 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 15:34:37,589 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 15:34:37,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 15:34:37,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 15:34:37,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 15:34:37,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 15:34:37,590 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 15:34:37,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 15:34:37,590 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 15:34:37,590 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 15:34:37,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 15:34:37,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 15:34:37,590 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 15:34:37,590 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 15:34:37,590 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb567b374acd8bb9754dd21f812a202296c7800faf8be127cd0c1294b076cd75 [2025-03-04 15:34:37,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 15:34:37,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 15:34:37,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 15:34:37,812 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 15:34:37,812 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 15:34:37,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2025-03-04 15:34:38,943 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc50caac/93b1a74be77248b0a94ba0f831b03c47/FLAG706e3aa12 [2025-03-04 15:34:39,134 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 15:34:39,135 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2025-03-04 15:34:39,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc50caac/93b1a74be77248b0a94ba0f831b03c47/FLAG706e3aa12 [2025-03-04 15:34:39,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc50caac/93b1a74be77248b0a94ba0f831b03c47 [2025-03-04 15:34:39,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 15:34:39,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 15:34:39,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 15:34:39,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 15:34:39,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 15:34:39,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568aa3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39, skipping insertion in model container [2025-03-04 15:34:39,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 15:34:39,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:34:39,619 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 15:34:39,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:34:39,639 INFO L204 MainTranslator]: Completed translation [2025-03-04 15:34:39,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39 WrapperNode [2025-03-04 15:34:39,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 15:34:39,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 15:34:39,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 15:34:39,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 15:34:39,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,662 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2025-03-04 15:34:39,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 15:34:39,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 15:34:39,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 15:34:39,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 15:34:39,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,670 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,675 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-04 15:34:39,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 15:34:39,684 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 15:34:39,684 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 15:34:39,684 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 15:34:39,685 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (1/1) ... [2025-03-04 15:34:39,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:39,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:39,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:39,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-04 15:34:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 15:34:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 15:34:39,790 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 15:34:39,791 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 15:34:39,872 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-04 15:34:39,872 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 15:34:39,880 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 15:34:39,881 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 15:34:39,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:34:39 BoogieIcfgContainer [2025-03-04 15:34:39,881 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 15:34:39,882 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 15:34:39,882 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 15:34:39,886 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 15:34:39,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:34:39,886 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 03:34:39" (1/3) ... [2025-03-04 15:34:39,887 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64908b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 03:34:39, skipping insertion in model container [2025-03-04 15:34:39,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:34:39,887 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:34:39" (2/3) ... [2025-03-04 15:34:39,888 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64908b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 03:34:39, skipping insertion in model container [2025-03-04 15:34:39,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:34:39,888 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:34:39" (3/3) ... [2025-03-04 15:34:39,889 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2025-03-04 15:34:39,922 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 15:34:39,922 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 15:34:39,922 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 15:34:39,922 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 15:34:39,922 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 15:34:39,922 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 15:34:39,922 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 15:34:39,923 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 15:34:39,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2025-03-04 15:34:39,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:39,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:39,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:39,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-04 15:34:39,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:34:39,944 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 15:34:39,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2025-03-04 15:34:39,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:39,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:39,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:39,946 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-03-04 15:34:39,946 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:34:39,952 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" [2025-03-04 15:34:39,952 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume !(main_~j~0#1 < main_~m~0#1);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-04 15:34:39,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:39,958 INFO L85 PathProgramCache]: Analyzing trace with hash 41673, now seen corresponding path program 1 times [2025-03-04 15:34:39,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:39,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457864039] [2025-03-04 15:34:39,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:39,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:40,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:34:40,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:34:40,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,015 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:40,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:34:40,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:34:40,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:40,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:40,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1181, now seen corresponding path program 1 times [2025-03-04 15:34:40,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:40,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971040172] [2025-03-04 15:34:40,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:40,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:40,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:40,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:40,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,039 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:40,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:40,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:40,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:40,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:40,044 INFO L85 PathProgramCache]: Analyzing trace with hash 40047973, now seen corresponding path program 1 times [2025-03-04 15:34:40,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:40,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233328296] [2025-03-04 15:34:40,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:40,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:40,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:34:40,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:34:40,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,050 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:40,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:34:40,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:34:40,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:40,127 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:40,128 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:40,128 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:40,128 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:40,128 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:34:40,128 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,129 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:40,129 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:40,129 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration1_Loop [2025-03-04 15:34:40,129 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:40,129 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:40,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,228 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:40,228 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:34:40,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-04 15:34:40,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:40,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:40,259 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:40,259 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:40,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-03-04 15:34:40,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-04 15:34:40,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:40,271 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:40,290 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:40,290 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:40,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-03-04 15:34:40,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,297 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-04 15:34:40,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:40,299 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:40,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-03-04 15:34:40,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-04 15:34:40,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:34:40,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:40,390 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:34:40,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-03-04 15:34:40,395 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:40,395 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:40,395 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:40,395 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:40,395 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:34:40,395 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,395 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:40,395 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:40,395 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration1_Loop [2025-03-04 15:34:40,396 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:40,396 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:40,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,453 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:40,456 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:34:40,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,460 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-04 15:34:40,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:40,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:40,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:40,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:40,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:40,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:40,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:40,485 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:40,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-04 15:34:40,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,493 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-04 15:34:40,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:40,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:40,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:40,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:40,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:40,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:40,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:40,512 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:40,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-03-04 15:34:40,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,522 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-04 15:34:40,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:40,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:40,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:40,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:40,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:40,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:40,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:40,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:40,550 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:34:40,554 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-04 15:34:40,557 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-04 15:34:40,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,561 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-04 15:34:40,563 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:34:40,564 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 15:34:40,564 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:34:40,564 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-03-04 15:34:40,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:40,574 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 15:34:40,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:40,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:34:40,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:34:40,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:40,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:40,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:40,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:40,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:40,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:40,629 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:40,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:40,670 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-03-04 15:34:40,672 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:40,712 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 25 transitions. Complement of second has 5 states. [2025-03-04 15:34:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2025-03-04 15:34:40,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2025-03-04 15:34:40,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:40,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2025-03-04 15:34:40,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:40,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2025-03-04 15:34:40,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:40,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2025-03-04 15:34:40,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:40,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 10 states and 14 transitions. [2025-03-04 15:34:40,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2025-03-04 15:34:40,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-03-04 15:34:40,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2025-03-04 15:34:40,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:40,730 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2025-03-04 15:34:40,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2025-03-04 15:34:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-03-04 15:34:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2025-03-04 15:34:40,746 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2025-03-04 15:34:40,747 INFO L432 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2025-03-04 15:34:40,747 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 15:34:40,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2025-03-04 15:34:40,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:40,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:40,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:40,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-04 15:34:40,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 15:34:40,751 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" [2025-03-04 15:34:40,751 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~k~0#1 < main_~N~0#1 - 1;main_~k~0#1 := 1 + main_~k~0#1;" [2025-03-04 15:34:40,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:40,752 INFO L85 PathProgramCache]: Analyzing trace with hash 40047976, now seen corresponding path program 1 times [2025-03-04 15:34:40,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:40,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175999033] [2025-03-04 15:34:40,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:40,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:34:40,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:34:40,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,757 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:40,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:34:40,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:34:40,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:40,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:40,766 INFO L85 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2025-03-04 15:34:40,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:40,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16689581] [2025-03-04 15:34:40,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:40,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:40,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:34:40,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:34:40,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,769 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:40,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:34:40,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:34:40,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:40,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1241487261, now seen corresponding path program 1 times [2025-03-04 15:34:40,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:40,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750454759] [2025-03-04 15:34:40,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:40,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:34:40,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:34:40,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,777 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:40,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:34:40,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:34:40,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:40,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:40,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:40,796 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:40,797 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:40,797 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:40,797 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:40,797 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:34:40,797 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,797 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:40,797 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:40,797 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration2_Loop [2025-03-04 15:34:40,797 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:40,797 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:40,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:40,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-03-04 15:34:40,857 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:40,858 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:34:40,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,860 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-04 15:34:40,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:40,863 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:40,880 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:40,881 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:40,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-03-04 15:34:40,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,888 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-04 15:34:40,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:40,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:40,906 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:40,906 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:40,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-03-04 15:34:40,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,914 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-04 15:34:40,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:40,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:40,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-04 15:34:40,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:40,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:40,934 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:40,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-04 15:34:40,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:34:40,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:41,004 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:34:41,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:41,009 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:41,009 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:41,009 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:41,009 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:41,009 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:34:41,009 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,009 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:41,009 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:41,009 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration2_Loop [2025-03-04 15:34:41,009 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:41,009 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:41,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,050 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:41,051 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:34:41,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,053 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-04 15:34:41,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:41,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:41,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:41,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:41,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:41,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:41,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:41,070 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:41,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:41,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,079 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-04 15:34:41,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:41,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:41,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:41,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:41,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:41,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:41,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:41,097 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:41,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-03-04 15:34:41,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,105 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-03-04 15:34:41,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:41,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:41,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:41,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:41,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:41,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:41,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:41,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:41,120 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:34:41,125 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:34:41,126 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-04 15:34:41,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,128 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-03-04 15:34:41,129 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:34:41,129 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 15:34:41,129 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:34:41,130 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~N~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~N~0#1 Supporting invariants [] [2025-03-04 15:34:41,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:41,136 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 15:34:41,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:34:41,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:34:41,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:41,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:34:41,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:34:41,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,166 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:41,167 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-04 15:34:41,167 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:41,173 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 13 states and 20 transitions. Complement of second has 3 states. [2025-03-04 15:34:41,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2025-03-04 15:34:41,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2025-03-04 15:34:41,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:41,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 6 letters. Loop has 1 letters. [2025-03-04 15:34:41,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:41,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2025-03-04 15:34:41,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:41,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 20 transitions. [2025-03-04 15:34:41,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:41,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 20 transitions. [2025-03-04 15:34:41,175 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-04 15:34:41,175 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-03-04 15:34:41,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 20 transitions. [2025-03-04 15:34:41,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:41,175 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 20 transitions. [2025-03-04 15:34:41,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 20 transitions. [2025-03-04 15:34:41,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2025-03-04 15:34:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 18 transitions. [2025-03-04 15:34:41,179 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 18 transitions. [2025-03-04 15:34:41,179 INFO L432 stractBuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2025-03-04 15:34:41,179 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 15:34:41,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 18 transitions. [2025-03-04 15:34:41,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:41,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:41,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:41,181 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-03-04 15:34:41,181 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:34:41,181 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" [2025-03-04 15:34:41,181 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_~j~0#1 < main_~m~0#1);main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" [2025-03-04 15:34:41,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1241487260, now seen corresponding path program 1 times [2025-03-04 15:34:41,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:41,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712685454] [2025-03-04 15:34:41,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:41,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:41,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:34:41,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:34:41,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,190 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:41,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:34:41,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:34:41,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:41,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1061, now seen corresponding path program 2 times [2025-03-04 15:34:41,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:41,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844820587] [2025-03-04 15:34:41,195 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:34:41,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:41,198 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:41,199 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:41,199 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:34:41,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,199 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:41,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:41,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:41,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:41,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,202 INFO L85 PathProgramCache]: Analyzing trace with hash -931651328, now seen corresponding path program 1 times [2025-03-04 15:34:41,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:41,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021318141] [2025-03-04 15:34:41,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:41,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:41,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 15:34:41,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:34:41,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,212 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:41,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 15:34:41,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:34:41,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:41,239 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:41,240 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:41,240 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:41,240 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:41,240 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:34:41,240 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,240 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:41,240 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:41,240 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration3_Loop [2025-03-04 15:34:41,240 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:41,240 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:41,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,290 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:41,291 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:34:41,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,294 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-04 15:34:41,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:41,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:41,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-03-04 15:34:41,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,314 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-03-04 15:34:41,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:34:41,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:41,408 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:34:41,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-03-04 15:34:41,412 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:41,412 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:41,412 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:41,412 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:41,412 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:34:41,412 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,412 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:41,412 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:41,412 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration3_Loop [2025-03-04 15:34:41,412 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:41,412 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:41,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,461 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:41,461 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:34:41,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,463 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-03-04 15:34:41,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:41,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:41,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:41,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:41,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:41,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:41,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:41,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:41,478 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:34:41,481 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:34:41,481 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-04 15:34:41,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,483 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-03-04 15:34:41,484 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:34:41,484 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 15:34:41,484 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:34:41,484 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2025-03-04 15:34:41,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-03-04 15:34:41,490 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 15:34:41,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:34:41,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:34:41,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:41,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:41,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:41,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,516 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:41,535 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-03-04 15:34:41,535 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 18 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:41,550 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 18 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 27 transitions. Complement of second has 5 states. [2025-03-04 15:34:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:41,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2025-03-04 15:34:41,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2025-03-04 15:34:41,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:41,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2025-03-04 15:34:41,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:41,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2025-03-04 15:34:41,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:41,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 27 transitions. [2025-03-04 15:34:41,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:41,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 25 transitions. [2025-03-04 15:34:41,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2025-03-04 15:34:41,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-03-04 15:34:41,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 25 transitions. [2025-03-04 15:34:41,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:41,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 25 transitions. [2025-03-04 15:34:41,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 25 transitions. [2025-03-04 15:34:41,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2025-03-04 15:34:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. [2025-03-04 15:34:41,554 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 23 transitions. [2025-03-04 15:34:41,554 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 23 transitions. [2025-03-04 15:34:41,554 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-04 15:34:41,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 23 transitions. [2025-03-04 15:34:41,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:41,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:41,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:41,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2025-03-04 15:34:41,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 15:34:41,556 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" [2025-03-04 15:34:41,556 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~k~0#1 < main_~N~0#1 - 1;main_~k~0#1 := 1 + main_~k~0#1;" [2025-03-04 15:34:41,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,557 INFO L85 PathProgramCache]: Analyzing trace with hash -168600598, now seen corresponding path program 2 times [2025-03-04 15:34:41,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:41,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291791483] [2025-03-04 15:34:41,557 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:34:41,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:41,562 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 2 equivalence classes. [2025-03-04 15:34:41,564 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:41,565 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 15:34:41,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,565 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:41,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:34:41,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:41,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:41,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,574 INFO L85 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 2 times [2025-03-04 15:34:41,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:41,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558062235] [2025-03-04 15:34:41,574 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:34:41,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:41,575 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:34:41,576 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:34:41,576 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:34:41,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,576 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:41,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:34:41,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:34:41,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:41,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:41,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,578 INFO L85 PathProgramCache]: Analyzing trace with hash -931651237, now seen corresponding path program 1 times [2025-03-04 15:34:41,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:41,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803192112] [2025-03-04 15:34:41,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:41,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:41,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 15:34:41,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:34:41,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:41,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:34:41,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803192112] [2025-03-04 15:34:41,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803192112] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:34:41,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:34:41,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 15:34:41,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455150527] [2025-03-04 15:34:41,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:34:41,650 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:41,651 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:41,651 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:41,651 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:41,651 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:34:41,651 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,651 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:41,651 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:41,651 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration4_Loop [2025-03-04 15:34:41,651 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:41,651 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:41,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,682 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:41,682 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:34:41,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,686 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-03-04 15:34:41,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:41,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:41,705 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:41,705 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:41,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-03-04 15:34:41,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,712 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-03-04 15:34:41,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:41,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:41,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:41,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,735 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-03-04 15:34:41,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:34:41,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:41,800 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:34:41,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:41,804 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:41,804 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:41,804 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:41,804 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:41,804 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:34:41,804 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,804 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:41,804 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:41,804 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration4_Loop [2025-03-04 15:34:41,804 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:41,804 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:41,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:41,839 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:41,839 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:34:41,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,841 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-03-04 15:34:41,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:41,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:41,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:41,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:41,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:41,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:41,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:41,859 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:41,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-03-04 15:34:41,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,867 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-03-04 15:34:41,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:41,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:41,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:41,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:41,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:41,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:41,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:41,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:41,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:34:41,889 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:34:41,889 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-04 15:34:41,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:41,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:41,891 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:41,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-03-04 15:34:41,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:34:41,893 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 15:34:41,893 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:34:41,893 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~N~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~N~0#1 Supporting invariants [] [2025-03-04 15:34:41,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:41,900 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 15:34:41,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:34:41,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:41,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:41,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:34:41,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:34:41,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,929 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:41,929 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-04 15:34:41,929 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 23 transitions. cyclomatic complexity: 12 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) [2025-03-04 15:34:41,938 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 23 transitions. cyclomatic complexity: 12. 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 15 states and 23 transitions. Complement of second has 3 states. [2025-03-04 15:34:41,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:41,938 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) [2025-03-04 15:34:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2025-03-04 15:34:41,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 7 letters. Loop has 1 letters. [2025-03-04 15:34:41,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:41,939 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-04 15:34:41,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:34:41,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:41,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:41,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:34:41,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:34:41,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,965 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:41,965 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-04 15:34:41,965 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 23 transitions. cyclomatic complexity: 12 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) [2025-03-04 15:34:41,971 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 23 transitions. cyclomatic complexity: 12. 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 15 states and 23 transitions. Complement of second has 3 states. [2025-03-04 15:34:41,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:41,972 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) [2025-03-04 15:34:41,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2025-03-04 15:34:41,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 7 letters. Loop has 1 letters. [2025-03-04 15:34:41,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:41,972 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-04 15:34:41,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:41,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:34:41,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:41,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:41,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:41,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:41,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:42,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:34:42,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:34:42,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:42,002 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:42,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:42,003 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-04 15:34:42,003 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 23 transitions. cyclomatic complexity: 12 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) [2025-03-04 15:34:42,007 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 23 transitions. cyclomatic complexity: 12. 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 27 transitions. Complement of second has 2 states. [2025-03-04 15:34:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:42,008 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) [2025-03-04 15:34:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. [2025-03-04 15:34:42,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 7 letters. Loop has 1 letters. [2025-03-04 15:34:42,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 8 letters. Loop has 1 letters. [2025-03-04 15:34:42,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2025-03-04 15:34:42,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 27 transitions. [2025-03-04 15:34:42,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-03-04 15:34:42,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 27 transitions. [2025-03-04 15:34:42,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-04 15:34:42,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-03-04 15:34:42,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 27 transitions. [2025-03-04 15:34:42,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:42,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 27 transitions. [2025-03-04 15:34:42,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 27 transitions. [2025-03-04 15:34:42,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2025-03-04 15:34:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. [2025-03-04 15:34:42,011 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 23 transitions. [2025-03-04 15:34:42,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:34:42,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 15:34:42,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 15:34:42,013 INFO L87 Difference]: Start difference. First operand 15 states and 23 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 15:34:42,034 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2025-03-04 15:34:42,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2025-03-04 15:34:42,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:42,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 20 transitions. [2025-03-04 15:34:42,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-04 15:34:42,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-03-04 15:34:42,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2025-03-04 15:34:42,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:42,037 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2025-03-04 15:34:42,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2025-03-04 15:34:42,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-03-04 15:34:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2025-03-04 15:34:42,038 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2025-03-04 15:34:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 15:34:42,039 INFO L432 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2025-03-04 15:34:42,039 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-03-04 15:34:42,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2025-03-04 15:34:42,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:42,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:42,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:42,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2025-03-04 15:34:42,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:34:42,040 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" [2025-03-04 15:34:42,041 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" [2025-03-04 15:34:42,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:42,041 INFO L85 PathProgramCache]: Analyzing trace with hash -168600598, now seen corresponding path program 3 times [2025-03-04 15:34:42,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:42,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145671876] [2025-03-04 15:34:42,041 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:34:42,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:42,045 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 2 equivalence classes. [2025-03-04 15:34:42,047 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:42,047 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-04 15:34:42,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,047 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:42,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:34:42,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:42,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:42,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1091, now seen corresponding path program 1 times [2025-03-04 15:34:42,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:42,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932650409] [2025-03-04 15:34:42,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:42,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:42,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:42,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:42,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,052 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:42,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:42,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:42,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:42,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:42,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1183582700, now seen corresponding path program 4 times [2025-03-04 15:34:42,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:42,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70859300] [2025-03-04 15:34:42,072 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:34:42,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:42,078 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 9 statements into 2 equivalence classes. [2025-03-04 15:34:42,080 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:34:42,080 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:34:42,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,080 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:42,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:34:42,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-03-04 15:34:42,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:34:42,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:42,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:42,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-03-04 15:34:42,121 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:42,121 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:42,121 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:42,121 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:42,121 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:34:42,121 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,121 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:42,121 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:42,121 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration5_Loop [2025-03-04 15:34:42,121 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:42,121 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:42,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,167 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:42,167 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:34:42,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,170 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-03-04 15:34:42,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:42,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:42,182 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:42,182 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:42,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-03-04 15:34:42,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,189 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-03-04 15:34:42,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:42,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:42,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:42,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,211 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-03-04 15:34:42,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:34:42,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:42,280 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:34:42,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-03-04 15:34:42,284 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:42,284 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:42,284 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:42,284 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:42,284 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:34:42,284 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,284 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:42,284 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:42,284 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration5_Loop [2025-03-04 15:34:42,284 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:42,284 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:42,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,333 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:42,334 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:34:42,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,336 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-03-04 15:34:42,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:42,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:42,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:42,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:42,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:42,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:42,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:42,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:42,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-03-04 15:34:42,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,359 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:42,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-03-04 15:34:42,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:42,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:42,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:42,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:42,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:42,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:42,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:42,378 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:34:42,380 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-04 15:34:42,380 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-04 15:34:42,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,382 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-03-04 15:34:42,385 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:34:42,385 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 15:34:42,385 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:34:42,385 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2025-03-04 15:34:42,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:42,393 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 15:34:42,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:42,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:34:42,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:42,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:42,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:42,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:42,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:42,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:42,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:42,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:42,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:42,427 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-04 15:34:42,427 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,432 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 33 transitions. Complement of second has 5 states. [2025-03-04 15:34:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:42,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2025-03-04 15:34:42,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 2 letters. [2025-03-04 15:34:42,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 9 letters. Loop has 2 letters. [2025-03-04 15:34:42,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 4 letters. [2025-03-04 15:34:42,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 33 transitions. [2025-03-04 15:34:42,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:42,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 33 transitions. [2025-03-04 15:34:42,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-04 15:34:42,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-03-04 15:34:42,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 33 transitions. [2025-03-04 15:34:42,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:42,435 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 33 transitions. [2025-03-04 15:34:42,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 33 transitions. [2025-03-04 15:34:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2025-03-04 15:34:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 29 transitions. [2025-03-04 15:34:42,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 29 transitions. [2025-03-04 15:34:42,436 INFO L432 stractBuchiCegarLoop]: Abstraction has 19 states and 29 transitions. [2025-03-04 15:34:42,436 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-03-04 15:34:42,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 29 transitions. [2025-03-04 15:34:42,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:42,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:42,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:42,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2025-03-04 15:34:42,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:34:42,436 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-04 15:34:42,436 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume !(main_~j~0#1 < main_~m~0#1);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-04 15:34:42,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:42,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1183582697, now seen corresponding path program 2 times [2025-03-04 15:34:42,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:42,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458312620] [2025-03-04 15:34:42,437 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:34:42,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:42,439 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 9 statements into 2 equivalence classes. [2025-03-04 15:34:42,441 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:34:42,441 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 15:34:42,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,441 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:42,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:34:42,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:34:42,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:42,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:42,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1181, now seen corresponding path program 3 times [2025-03-04 15:34:42,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:42,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310201242] [2025-03-04 15:34:42,445 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:34:42,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:42,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:42,447 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:42,447 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:34:42,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,447 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:42,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:42,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:42,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:42,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:42,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:42,448 INFO L85 PathProgramCache]: Analyzing trace with hash -743361403, now seen corresponding path program 3 times [2025-03-04 15:34:42,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:42,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715146193] [2025-03-04 15:34:42,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:34:42,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:42,454 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 11 statements into 4 equivalence classes. [2025-03-04 15:34:42,457 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 9 of 11 statements. [2025-03-04 15:34:42,457 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-04 15:34:42,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 15:34:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:34:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715146193] [2025-03-04 15:34:42,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715146193] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 15:34:42,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027416173] [2025-03-04 15:34:42,502 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:34:42,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 15:34:42,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,504 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-04 15:34:42,525 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 11 statements into 4 equivalence classes. [2025-03-04 15:34:42,528 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 9 of 11 statements. [2025-03-04 15:34:42,528 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-04 15:34:42,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:42,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:42,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 15:34:42,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 15:34:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 15:34:42,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027416173] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 15:34:42,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 15:34:42,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2025-03-04 15:34:42,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475922919] [2025-03-04 15:34:42,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 15:34:42,596 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:42,596 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:42,596 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:42,596 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:42,596 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:34:42,596 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,596 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:42,596 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:42,596 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration6_Loop [2025-03-04 15:34:42,597 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:42,597 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:42,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,636 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:42,636 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:34:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,641 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-03-04 15:34:42,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:42,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:42,693 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:42,693 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:42,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:42,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,701 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-03-04 15:34:42,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:42,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:42,719 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:42,719 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:42,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-03-04 15:34:42,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,726 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-03-04 15:34:42,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:42,728 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:42,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2025-03-04 15:34:42,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,746 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-03-04 15:34:42,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:34:42,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:42,818 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:34:42,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-03-04 15:34:42,823 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:42,823 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:42,823 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:42,823 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:42,823 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:34:42,824 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,824 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:42,824 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:42,824 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration6_Loop [2025-03-04 15:34:42,824 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:42,824 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:42,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:42,867 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:42,867 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:34:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,869 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-03-04 15:34:42,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:42,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:42,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:42,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:42,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:42,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:42,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:42,885 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:42,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:42,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,893 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-03-04 15:34:42,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:42,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:42,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:42,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:42,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:42,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:42,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:42,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:42,908 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:34:42,910 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-04 15:34:42,910 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-04 15:34:42,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:42,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:42,912 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:42,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-03-04 15:34:42,915 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:34:42,915 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 15:34:42,915 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:34:42,915 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2025-03-04 15:34:42,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:42,922 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 15:34:42,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:42,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:34:42,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:34:42,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:42,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:42,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:42,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:42,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:42,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:42,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:42,961 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:42,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:42,970 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-03-04 15:34:42,971 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 29 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 29 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 56 transitions. Complement of second has 5 states. [2025-03-04 15:34:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2025-03-04 15:34:42,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2025-03-04 15:34:42,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 11 letters. Loop has 2 letters. [2025-03-04 15:34:42,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 4 letters. [2025-03-04 15:34:42,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:42,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 56 transitions. [2025-03-04 15:34:42,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 15:34:42,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 35 states and 54 transitions. [2025-03-04 15:34:42,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2025-03-04 15:34:42,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2025-03-04 15:34:42,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 54 transitions. [2025-03-04 15:34:42,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:42,993 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 54 transitions. [2025-03-04 15:34:42,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 54 transitions. [2025-03-04 15:34:42,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2025-03-04 15:34:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.6) internal successors, (48), 29 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:42,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 48 transitions. [2025-03-04 15:34:42,995 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 48 transitions. [2025-03-04 15:34:42,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:34:42,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:34:42,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:34:42,997 INFO L87 Difference]: Start difference. First operand 30 states and 48 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:43,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 15:34:43,023 INFO L93 Difference]: Finished difference Result 32 states and 48 transitions. [2025-03-04 15:34:43,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 48 transitions. [2025-03-04 15:34:43,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-03-04 15:34:43,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 46 transitions. [2025-03-04 15:34:43,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2025-03-04 15:34:43,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2025-03-04 15:34:43,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 46 transitions. [2025-03-04 15:34:43,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:43,024 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 46 transitions. [2025-03-04 15:34:43,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 46 transitions. [2025-03-04 15:34:43,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 17. [2025-03-04 15:34:43,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 26 transitions. [2025-03-04 15:34:43,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 26 transitions. [2025-03-04 15:34:43,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 15:34:43,028 INFO L432 stractBuchiCegarLoop]: Abstraction has 17 states and 26 transitions. [2025-03-04 15:34:43,028 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-03-04 15:34:43,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 26 transitions. [2025-03-04 15:34:43,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-03-04 15:34:43,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:43,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:43,029 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:34:43,029 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-03-04 15:34:43,029 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-04 15:34:43,029 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);main_~i~0#1 := 1 + main_~i~0#1;" [2025-03-04 15:34:43,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:43,030 INFO L85 PathProgramCache]: Analyzing trace with hash -168600601, now seen corresponding path program 4 times [2025-03-04 15:34:43,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:43,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969704024] [2025-03-04 15:34:43,030 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:34:43,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:43,036 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 7 statements into 2 equivalence classes. [2025-03-04 15:34:43,037 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:43,037 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:34:43,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,037 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:43,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:34:43,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:43,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:43,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:43,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-03-04 15:34:43,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:43,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360089500] [2025-03-04 15:34:43,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:34:43,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:43,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 15:34:43,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 15:34:43,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,043 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:43,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 15:34:43,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 15:34:43,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:43,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash -746039803, now seen corresponding path program 5 times [2025-03-04 15:34:43,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:43,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207199807] [2025-03-04 15:34:43,046 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 15:34:43,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:43,049 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 11 statements into 3 equivalence classes. [2025-03-04 15:34:43,057 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 15:34:43,057 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-03-04 15:34:43,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,057 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:43,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 15:34:43,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 15:34:43,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:43,090 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:43,091 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:43,091 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:43,091 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:43,091 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:34:43,091 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,091 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:43,091 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:43,091 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration7_Loop [2025-03-04 15:34:43,091 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:43,091 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:43,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,140 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:43,140 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:34:43,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,142 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-03-04 15:34:43,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,154 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:43,154 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0#1=0} Honda state: {ULTIMATE.start_main_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:43,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2025-03-04 15:34:43,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,162 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-03-04 15:34:43,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,174 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:43,174 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: [] [2025-03-04 15:34:43,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-03-04 15:34:43,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,181 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-03-04 15:34:43,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,201 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:43,201 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:43,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-03-04 15:34:43,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,208 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-03-04 15:34:43,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,228 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:43,228 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_13=0} Honda state: {v_rep~unnamed0~0~false_13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:43,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-03-04 15:34:43,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,235 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-03-04 15:34:43,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,249 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:43,249 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~m~0#1=1} Honda state: {ULTIMATE.start_main_~m~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:43,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-03-04 15:34:43,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,257 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-03-04 15:34:43,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2025-03-04 15:34:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,279 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-03-04 15:34:43,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:34:43,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,365 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:34:43,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2025-03-04 15:34:43,371 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:43,371 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:43,371 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:43,371 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:43,371 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:34:43,371 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,371 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:43,371 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:43,371 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration7_Loop [2025-03-04 15:34:43,371 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:43,371 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:43,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,419 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:43,419 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:34:43,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,421 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-03-04 15:34:43,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:43,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:43,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:43,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:43,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:43,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:43,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:43,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:43,435 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:43,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:43,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,442 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-03-04 15:34:43,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:43,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:43,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:43,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:43,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:43,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:43,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:43,460 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:43,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-03-04 15:34:43,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,467 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-03-04 15:34:43,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:43,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:43,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:43,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:43,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:43,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:43,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:43,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:43,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-03-04 15:34:43,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,491 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-03-04 15:34:43,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:43,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:43,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:43,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:43,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:43,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:43,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:43,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:43,508 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:43,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:43,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,516 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-03-04 15:34:43,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:43,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:43,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:43,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:43,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:43,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:43,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:43,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:43,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:43,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:43,549 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:43,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2025-03-04 15:34:43,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,558 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-03-04 15:34:43,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:43,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:43,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:43,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:43,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:43,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:43,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:43,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:43,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:34:43,577 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:34:43,577 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-04 15:34:43,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,580 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-03-04 15:34:43,582 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:34:43,582 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 15:34:43,582 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:34:43,582 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2025-03-04 15:34:43,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-03-04 15:34:43,589 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 15:34:43,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:43,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:34:43,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:34:43,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:43,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:43,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:43,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 15:34:43,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 15:34:43,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:43,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 15:34:43,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:43,663 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2025-03-04 15:34:43,663 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:43,691 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 37 states and 60 transitions. Complement of second has 8 states. [2025-03-04 15:34:43,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2025-03-04 15:34:43,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 4 letters. [2025-03-04 15:34:43,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:43,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2025-03-04 15:34:43,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:43,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 8 letters. [2025-03-04 15:34:43,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:43,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 60 transitions. [2025-03-04 15:34:43,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-04 15:34:43,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 29 states and 46 transitions. [2025-03-04 15:34:43,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-03-04 15:34:43,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-03-04 15:34:43,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 46 transitions. [2025-03-04 15:34:43,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:34:43,695 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 46 transitions. [2025-03-04 15:34:43,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 46 transitions. [2025-03-04 15:34:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2025-03-04 15:34:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 44 transitions. [2025-03-04 15:34:43,696 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 44 transitions. [2025-03-04 15:34:43,696 INFO L432 stractBuchiCegarLoop]: Abstraction has 27 states and 44 transitions. [2025-03-04 15:34:43,696 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-03-04 15:34:43,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 44 transitions. [2025-03-04 15:34:43,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-04 15:34:43,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:34:43,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:34:43,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-04 15:34:43,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:34:43,697 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" "assume !(main_~j~0#1 < main_~m~0#1);main_~i~0#1 := 1 + main_~i~0#1;" "assume main_~i~0#1 < main_~n~0#1;main_~j~0#1 := 0;" [2025-03-04 15:34:43,698 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1;" "assume !(main_~k~0#1 < main_~N~0#1 - 1);main_~i~0#1 := main_~k~0#1;" [2025-03-04 15:34:43,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:43,698 INFO L85 PathProgramCache]: Analyzing trace with hash -931651328, now seen corresponding path program 6 times [2025-03-04 15:34:43,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:43,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31596144] [2025-03-04 15:34:43,698 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-04 15:34:43,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:43,701 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 8 statements into 3 equivalence classes. [2025-03-04 15:34:43,703 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:34:43,703 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-03-04 15:34:43,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,703 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:43,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 15:34:43,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:34:43,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:43,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:43,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1151, now seen corresponding path program 2 times [2025-03-04 15:34:43,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:43,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164271149] [2025-03-04 15:34:43,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:34:43,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:43,709 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:43,710 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:43,710 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:34:43,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,710 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:43,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:43,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:43,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:43,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:43,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1963728450, now seen corresponding path program 7 times [2025-03-04 15:34:43,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:34:43,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473476948] [2025-03-04 15:34:43,712 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-04 15:34:43,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:34:43,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 15:34:43,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 15:34:43,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,716 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:34:43,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 15:34:43,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 15:34:43,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:43,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:34:43,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:34:43,741 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:43,742 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:43,742 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:43,742 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:43,742 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:34:43,742 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,742 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:43,742 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:43,742 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration8_Loop [2025-03-04 15:34:43,742 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:43,742 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:43,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,786 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:43,786 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:34:43,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,788 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-03-04 15:34:43,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,805 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:43,806 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:43,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-03-04 15:34:43,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,814 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-03-04 15:34:43,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,826 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:34:43,826 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0#1=0} Honda state: {ULTIMATE.start_main_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:34:43,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2025-03-04 15:34:43,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,833 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-03-04 15:34:43,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:34:43,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:43,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,853 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-03-04 15:34:43,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:34:43,855 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:34:43,921 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:34:43,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2025-03-04 15:34:43,925 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:34:43,925 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:34:43,925 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:34:43,925 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:34:43,925 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:34:43,925 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,925 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:34:43,925 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:34:43,925 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration8_Loop [2025-03-04 15:34:43,925 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:34:43,925 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:34:43,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:34:43,975 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:34:43,975 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:34:43,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:43,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:43,977 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:43,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-03-04 15:34:43,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:43,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:43,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:43,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:43,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:43,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:34:43,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:34:43,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:34:43,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:43,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:44,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:44,001 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:44,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2025-03-04 15:34:44,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:34:44,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:34:44,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:34:44,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:34:44,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:34:44,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:34:44,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:34:44,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:34:44,020 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:34:44,022 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-04 15:34:44,022 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-04 15:34:44,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:34:44,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:34:44,024 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:34:44,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2025-03-04 15:34:44,027 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:34:44,027 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-04 15:34:44,027 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:34:44,027 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2025-03-04 15:34:44,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:44,034 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-04 15:34:44,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:44,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 15:34:44,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:34:44,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:44,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:44,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:44,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:44,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:44,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:44,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:44,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:44,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:44,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:44,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-03-04 15:34:44,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 44 transitions. cyclomatic complexity: 26 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:44,080 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 44 transitions. cyclomatic complexity: 26. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 60 transitions. Complement of second has 5 states. [2025-03-04 15:34:44,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2025-03-04 15:34:44,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2025-03-04 15:34:44,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:44,082 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-04 15:34:44,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:44,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 15:34:44,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:34:44,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:44,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:44,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:44,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:44,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:44,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:44,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:44,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:44,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:44,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:44,125 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2025-03-04 15:34:44,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 44 transitions. cyclomatic complexity: 26 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:44,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 44 transitions. cyclomatic complexity: 26. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 51 transitions. Complement of second has 5 states. [2025-03-04 15:34:44,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:44,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2025-03-04 15:34:44,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2025-03-04 15:34:44,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:44,137 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-04 15:34:44,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:34:44,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 15:34:44,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 15:34:44,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:44,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:44,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 15:34:44,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:44,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:34:44,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:34:44,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:34:44,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:34:44,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:34:44,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:34:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:34:44,186 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 2 loop predicates [2025-03-04 15:34:44,186 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 44 transitions. cyclomatic complexity: 26 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:44,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 44 transitions. cyclomatic complexity: 26. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 77 transitions. Complement of second has 4 states. [2025-03-04 15:34:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:34:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:34:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2025-03-04 15:34:44,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 8 letters. Loop has 2 letters. [2025-03-04 15:34:44,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:44,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 2 letters. [2025-03-04 15:34:44,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:44,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 8 letters. Loop has 4 letters. [2025-03-04 15:34:44,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:34:44,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 77 transitions. [2025-03-04 15:34:44,198 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 15:34:44,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2025-03-04 15:34:44,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-04 15:34:44,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-04 15:34:44,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-04 15:34:44,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 15:34:44,198 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:34:44,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:34:44,198 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:34:44,198 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-03-04 15:34:44,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-04 15:34:44,199 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 15:34:44,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-04 15:34:44,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 03:34:44 BoogieIcfgContainer [2025-03-04 15:34:44,207 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 15:34:44,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 15:34:44,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 15:34:44,208 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 15:34:44,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:34:39" (3/4) ... [2025-03-04 15:34:44,210 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 15:34:44,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 15:34:44,211 INFO L158 Benchmark]: Toolchain (without parser) took 4702.54ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 65.5MB in the end (delta: 41.6MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2025-03-04 15:34:44,212 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:34:44,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 131.09ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 97.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 15:34:44,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.73ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 96.0MB in the end (delta: 943.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:34:44,212 INFO L158 Benchmark]: Boogie Preprocessor took 20.01ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 95.1MB in the end (delta: 943.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:34:44,212 INFO L158 Benchmark]: IcfgBuilder took 197.46ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 84.9MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 15:34:44,212 INFO L158 Benchmark]: BuchiAutomizer took 4325.33ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 65.5MB in the end (delta: 19.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2025-03-04 15:34:44,213 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:34:44,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 131.09ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 97.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.73ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 96.0MB in the end (delta: 943.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.01ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 95.1MB in the end (delta: 943.1kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 197.46ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 84.9MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4325.33ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 65.5MB in the end (delta: 19.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 24.1kB). 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 10 terminating modules (2 trivial, 6 deterministic, 2 nondeterministic). One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 3 locations. One deterministic module has affine ranking function (N + ((long) -1 * k)) and consists of 2 locations. One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * j) + m) and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 5 locations. One nondeterministic module has affine ranking function (N + ((long) -1 * k)) and consists of 2 locations. One nondeterministic module has affine ranking function (((long) -1 * j) + m) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 28 StatesRemovedByMinimization, 7 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 [6, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 102 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT6 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq148 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 15 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-04 15:34:44,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:44,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-03-04 15:34:44,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-04 15:34:44,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE