./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:59:23,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:59:23,514 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-06 18:59:23,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:59:23,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:59:23,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 18:59:23,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:59:23,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:59:23,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:59:23,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:59:23,541 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:59:23,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:59:23,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:59:23,541 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:59:23,542 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 18:59:23,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:59:23,542 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 18:59:23,543 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:59:23,543 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:59:23,543 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:59:23,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:59:23,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:59:23,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:59:23,544 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 18:59:23,544 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-jdk21/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 -> 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc [2025-02-06 18:59:23,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:59:23,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:59:23,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:59:23,768 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:59:23,768 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:59:23,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2025-02-06 18:59:24,977 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f803fef6/021d321f61d746698ae82dd4b7478d1e/FLAG6c6d29e7d [2025-02-06 18:59:25,205 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:59:25,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2025-02-06 18:59:25,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f803fef6/021d321f61d746698ae82dd4b7478d1e/FLAG6c6d29e7d [2025-02-06 18:59:25,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f803fef6/021d321f61d746698ae82dd4b7478d1e [2025-02-06 18:59:25,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:59:25,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:59:25,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:59:25,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:59:25,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:59:25,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c928ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25, skipping insertion in model container [2025-02-06 18:59:25,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:59:25,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:59:25,682 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:59:25,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:59:25,701 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:59:25,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25 WrapperNode [2025-02-06 18:59:25,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:59:25,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:59:25,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:59:25,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:59:25,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,722 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2025-02-06 18:59:25,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:59:25,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:59:25,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:59:25,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:59:25,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,729 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,733 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 18:59:25,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,735 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:59:25,737 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:59:25,737 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:59:25,737 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:59:25,739 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (1/1) ... [2025-02-06 18:59:25,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:25,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 18:59:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:59:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:59:25,825 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:59:25,826 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:59:25,872 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-02-06 18:59:25,872 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:59:25,884 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:59:25,884 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 18:59:25,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:59:25 BoogieIcfgContainer [2025-02-06 18:59:25,884 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:59:25,885 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 18:59:25,885 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 18:59:25,888 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 18:59:25,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:59:25,888 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 06:59:25" (1/3) ... [2025-02-06 18:59:25,889 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bc0aef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 06:59:25, skipping insertion in model container [2025-02-06 18:59:25,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:59:25,889 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:25" (2/3) ... [2025-02-06 18:59:25,889 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bc0aef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 06:59:25, skipping insertion in model container [2025-02-06 18:59:25,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:59:25,890 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:59:25" (3/3) ... [2025-02-06 18:59:25,890 INFO L363 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2025-02-06 18:59:25,921 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 18:59:25,922 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 18:59:25,922 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 18:59:25,922 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 18:59:25,922 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 18:59:25,922 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 18:59:25,922 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 18:59:25,922 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 18:59:25,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:25,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 18:59:25,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:59:25,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:59:25,935 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 18:59:25,935 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 18:59:25,935 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 18:59:25,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:25,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 18:59:25,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:59:25,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:59:25,936 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 18:59:25,936 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 18:59:25,939 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1;" [2025-02-06 18:59:25,939 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 0;" "assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1;" [2025-02-06 18:59:25,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:25,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1184, now seen corresponding path program 1 times [2025-02-06 18:59:25,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:25,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664974610] [2025-02-06 18:59:25,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:25,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:25,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:25,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:25,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:25,986 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:25,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:25,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:25,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:25,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:25,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:25,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1119, now seen corresponding path program 1 times [2025-02-06 18:59:25,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:25,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803564232] [2025-02-06 18:59:25,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:25,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:25,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:26,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:26,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,001 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:26,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:26,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:26,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:26,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:26,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1137982, now seen corresponding path program 1 times [2025-02-06 18:59:26,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:26,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910834424] [2025-02-06 18:59:26,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:26,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:26,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:59:26,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:59:26,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,008 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:26,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:59:26,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:59:26,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:26,048 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:26,048 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:26,048 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:26,048 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:26,048 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:59:26,048 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,049 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:26,049 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:26,049 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration1_Loop [2025-02-06 18:59:26,049 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:26,049 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:26,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,142 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:26,145 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:59:26,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-06 18:59:26,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:26,150 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,171 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:26,171 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: [] [2025-02-06 18:59:26,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-06 18:59:26,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-06 18:59:26,182 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:26,182 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,207 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:26,208 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: [] [2025-02-06 18:59:26,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-06 18:59:26,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:26,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,236 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:26,236 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=1} Honda state: {ULTIMATE.start_main_~i~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 18:59:26,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,244 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-06 18:59:26,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:26,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-06 18:59:26,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:59:26,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,294 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:59:26,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,298 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:26,298 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:26,298 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:26,298 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:26,298 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:59:26,298 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,298 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:26,298 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:26,298 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration1_Loop [2025-02-06 18:59:26,298 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:26,298 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:26,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,380 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:26,383 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:59:26,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,385 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-06 18:59:26,388 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 [2025-02-06 18:59:26,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:26,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:26,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:26,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:26,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:59:26,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 18:59:26,416 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:26,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-06 18:59:26,426 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 [2025-02-06 18:59:26,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:26,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:26,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:26,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:26,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:59:26,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 18:59:26,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:26,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,452 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-06 18:59:26,455 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 [2025-02-06 18:59:26,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:26,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:59:26,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:26,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:26,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:26,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:59:26,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:59:26,468 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:26,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,476 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-06 18:59:26,477 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 [2025-02-06 18:59:26,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:26,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:59:26,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:26,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:26,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:26,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:59:26,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:59:26,493 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:59:26,495 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-06 18:59:26,496 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 18:59:26,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,501 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-06 18:59:26,504 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:59:26,504 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:59:26,504 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:59:26,505 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2025-02-06 18:59:26,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-06 18:59:26,513 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:59:26,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:26,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:26,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:26,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:26,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:59:26,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:26,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:26,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:26,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:26,550 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:59:26,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:26,592 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 [2025-02-06 18:59:26,594 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:26,629 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 19 transitions. Complement of second has 5 states. [2025-02-06 18:59:26,630 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 [2025-02-06 18:59:26,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:26,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2025-02-06 18:59:26,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2025-02-06 18:59:26,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:26,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2025-02-06 18:59:26,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:26,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 4 letters. [2025-02-06 18:59:26,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:26,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 19 transitions. [2025-02-06 18:59:26,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 18:59:26,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 11 transitions. [2025-02-06 18:59:26,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2025-02-06 18:59:26,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-02-06 18:59:26,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2025-02-06 18:59:26,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:59:26,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2025-02-06 18:59:26,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2025-02-06 18:59:26,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2025-02-06 18:59:26,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2025-02-06 18:59:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2025-02-06 18:59:26,655 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2025-02-06 18:59:26,655 INFO L432 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2025-02-06 18:59:26,655 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 18:59:26,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2025-02-06 18:59:26,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 18:59:26,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:59:26,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:59:26,656 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 18:59:26,656 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 18:59:26,656 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1;" "assume main_~i~0#1 > 0;" "assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1;" [2025-02-06 18:59:26,656 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 0;" "assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1;" [2025-02-06 18:59:26,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:26,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1137983, now seen corresponding path program 1 times [2025-02-06 18:59:26,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:26,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061809642] [2025-02-06 18:59:26,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:26,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:26,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:59:26,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:59:26,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,660 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:26,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:59:26,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:59:26,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:26,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:26,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1119, now seen corresponding path program 2 times [2025-02-06 18:59:26,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:26,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052878350] [2025-02-06 18:59:26,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:59:26,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:26,666 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:26,666 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:26,666 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:59:26,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,666 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:26,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:26,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:26,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:26,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:26,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1093601821, now seen corresponding path program 1 times [2025-02-06 18:59:26,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:26,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701612523] [2025-02-06 18:59:26,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:26,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:26,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:59:26,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:59:26,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,675 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:26,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:59:26,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:59:26,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:26,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:26,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:26,695 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:26,695 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:26,695 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:26,695 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:26,695 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:59:26,695 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,695 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:26,695 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:26,695 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration2_Loop [2025-02-06 18:59:26,695 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:26,695 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:26,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,735 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:26,735 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:59:26,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,737 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-06 18:59:26,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:26,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,757 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:26,757 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: [] [2025-02-06 18:59:26,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,764 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-06 18:59:26,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:26,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,783 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:26,783 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: [] [2025-02-06 18:59:26,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,790 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-06 18:59:26,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:26,792 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,809 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:26,809 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=1} Honda state: {ULTIMATE.start_main_~i~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 18:59:26,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,816 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-06 18:59:26,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:26,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,836 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-06 18:59:26,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:59:26,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:26,860 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:59:26,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,864 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:26,864 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:26,864 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:26,864 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:26,864 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:59:26,864 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,864 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:26,864 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:26,864 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration2_Loop [2025-02-06 18:59:26,865 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:26,865 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:26,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:26,904 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:26,904 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:59:26,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,906 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-06 18:59:26,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 18:59:26,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:26,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:26,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:26,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:26,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:59:26,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 18:59:26,937 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:26,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:26,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,956 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-06 18:59:26,957 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 [2025-02-06 18:59:26,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:26,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:26,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:26,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:26,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:59:26,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 18:59:26,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:26,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-06 18:59:26,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:26,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:26,990 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:26,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-06 18:59:26,992 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 [2025-02-06 18:59:27,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:27,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:59:27,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:27,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:27,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:27,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:59:27,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:59:27,003 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:27,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:27,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,011 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-06 18:59:27,013 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 [2025-02-06 18:59:27,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:27,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:59:27,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:27,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:27,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:27,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:59:27,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:59:27,027 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:59:27,033 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 18:59:27,033 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 18:59:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,035 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-06 18:59:27,037 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:59:27,037 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:59:27,037 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:59:27,038 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2025-02-06 18:59:27,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-02-06 18:59:27,043 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:59:27,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:59:27,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:59:27,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:27,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:27,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,064 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:27,066 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 [2025-02-06 18:59:27,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,099 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2025-02-06 18:59:27,100 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 [2025-02-06 18:59:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2025-02-06 18:59:27,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2025-02-06 18:59:27,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-06 18:59:27,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2025-02-06 18:59:27,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2025-02-06 18:59:27,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-06 18:59:27,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 18:59:27,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2025-02-06 18:59:27,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2025-02-06 18:59:27,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-02-06 18:59:27,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2025-02-06 18:59:27,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:59:27,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2025-02-06 18:59:27,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:27,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2025-02-06 18:59:27,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-02-06 18:59:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2025-02-06 18:59:27,108 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2025-02-06 18:59:27,108 INFO L432 stractBuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2025-02-06 18:59:27,108 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 18:59:27,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2025-02-06 18:59:27,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 18:59:27,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:59:27,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:59:27,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2025-02-06 18:59:27,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 18:59:27,108 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1;" "assume main_~i~0#1 > 0;" "assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1;" "assume main_~i~0#1 > 0;" "assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1;" [2025-02-06 18:59:27,108 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 > 0;" "assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1;" [2025-02-06 18:59:27,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1093601822, now seen corresponding path program 2 times [2025-02-06 18:59:27,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:27,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393069678] [2025-02-06 18:59:27,109 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:59:27,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:27,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-02-06 18:59:27,114 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:59:27,114 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:59:27,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:27,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:59:27,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393069678] [2025-02-06 18:59:27,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393069678] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:59:27,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189260460] [2025-02-06 18:59:27,214 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:59:27,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:59:27,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,217 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 18:59:27,237 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-02-06 18:59:27,244 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:59:27,244 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:59:27,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:27,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:59:27,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:27,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189260460] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:59:27,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:59:27,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 18:59:27,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239812090] [2025-02-06 18:59:27,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:59:27,324 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 18:59:27,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1119, now seen corresponding path program 3 times [2025-02-06 18:59:27,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:27,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507409314] [2025-02-06 18:59:27,325 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 18:59:27,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:27,327 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:27,328 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:27,328 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 18:59:27,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:27,328 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:27,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:27,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:27,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:27,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:27,343 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:27,343 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:27,343 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:27,344 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:27,344 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:59:27,344 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,344 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:27,344 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:27,344 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration3_Loop [2025-02-06 18:59:27,344 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:27,344 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:27,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,379 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:27,379 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:59:27,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,381 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-06 18:59:27,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:27,387 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:27,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:27,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,428 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-06 18:59:27,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:59:27,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:27,451 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:59:27,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:27,455 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:27,455 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:27,455 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:27,455 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:27,455 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:59:27,455 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,455 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:27,455 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:27,455 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration3_Loop [2025-02-06 18:59:27,455 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:27,455 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:27,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,494 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:27,494 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:59:27,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,496 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-06 18:59:27,499 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 [2025-02-06 18:59:27,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:27,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:59:27,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:27,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:27,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:27,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:59:27,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:59:27,512 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:59:27,516 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-06 18:59:27,516 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 18:59:27,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,518 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-06 18:59:27,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:59:27,520 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:59:27,520 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:59:27,520 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2025-02-06 18:59:27,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:27,526 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:59:27,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:59:27,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:59:27,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:27,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:27,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,549 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:27,551 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 [2025-02-06 18:59:27,551 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,556 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 21 transitions. Complement of second has 5 states. [2025-02-06 18:59:27,556 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 [2025-02-06 18:59:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2025-02-06 18:59:27,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-06 18:59:27,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,557 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 18:59:27,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:59:27,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:59:27,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:27,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:27,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,576 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:27,578 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 [2025-02-06 18:59:27,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,583 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 21 transitions. Complement of second has 5 states. [2025-02-06 18:59:27,583 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 [2025-02-06 18:59:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2025-02-06 18:59:27,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-06 18:59:27,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,584 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 18:59:27,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:59:27,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:59:27,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:27,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:27,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,602 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:27,604 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 [2025-02-06 18:59:27,604 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,609 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 24 transitions. Complement of second has 4 states. [2025-02-06 18:59:27,609 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 [2025-02-06 18:59:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2025-02-06 18:59:27,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-06 18:59:27,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2025-02-06 18:59:27,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2025-02-06 18:59:27,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 24 transitions. [2025-02-06 18:59:27,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-06 18:59:27,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 20 transitions. [2025-02-06 18:59:27,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-02-06 18:59:27,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-02-06 18:59:27,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2025-02-06 18:59:27,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:59:27,612 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2025-02-06 18:59:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2025-02-06 18:59:27,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 6. [2025-02-06 18:59:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2025-02-06 18:59:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2025-02-06 18:59:27,616 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2025-02-06 18:59:27,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:59:27,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 18:59:27,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 18:59:27,618 INFO L87 Difference]: Start difference. First operand 6 states and 8 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 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) [2025-02-06 18:59:27,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:59:27,645 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2025-02-06 18:59:27,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2025-02-06 18:59:27,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-06 18:59:27,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2025-02-06 18:59:27,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-02-06 18:59:27,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-02-06 18:59:27,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2025-02-06 18:59:27,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 18:59:27,646 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2025-02-06 18:59:27,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2025-02-06 18:59:27,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 7. [2025-02-06 18:59:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2025-02-06 18:59:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2025-02-06 18:59:27,647 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2025-02-06 18:59:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:59:27,648 INFO L432 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2025-02-06 18:59:27,648 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 18:59:27,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2025-02-06 18:59:27,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-06 18:59:27,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:59:27,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:59:27,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 18:59:27,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2025-02-06 18:59:27,648 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_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1;" "assume main_~i~0#1 > 0;" [2025-02-06 18:59:27,648 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1;" "assume main_~i~0#1 > 0;" "assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1;" "assume main_~i~0#1 > 0;" [2025-02-06 18:59:27,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash 36709, now seen corresponding path program 1 times [2025-02-06 18:59:27,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:27,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039160934] [2025-02-06 18:59:27,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:27,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:27,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:59:27,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:59:27,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:27,651 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:27,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:59:27,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:59:27,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:27,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:27,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1047588, now seen corresponding path program 1 times [2025-02-06 18:59:27,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:27,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303005179] [2025-02-06 18:59:27,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:27,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:59:27,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:59:27,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:27,663 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:27,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:59:27,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:59:27,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:27,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:27,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,665 INFO L85 PathProgramCache]: Analyzing trace with hash -458081912, now seen corresponding path program 2 times [2025-02-06 18:59:27,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:27,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447547047] [2025-02-06 18:59:27,665 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:59:27,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:27,667 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 2 equivalence classes. [2025-02-06 18:59:27,668 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:59:27,668 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:59:27,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:27,668 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:27,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:59:27,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:59:27,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:27,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:27,694 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:27,694 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:27,694 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:27,695 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:27,695 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:59:27,695 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,695 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:27,695 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:27,695 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration4_Loop [2025-02-06 18:59:27,695 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:27,695 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:27,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,738 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:27,738 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:59:27,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,739 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-06 18:59:27,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:27,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:27,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-06 18:59:27,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,760 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-06 18:59:27,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:59:27,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:27,802 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:59:27,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:27,806 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:27,806 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:27,806 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:27,806 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:27,806 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:59:27,806 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,806 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:27,806 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:27,806 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration4_Loop [2025-02-06 18:59:27,806 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:27,806 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:27,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:27,867 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:27,867 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:59:27,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,872 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-06 18:59:27,874 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 [2025-02-06 18:59:27,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:27,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:59:27,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:27,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:27,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:27,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:59:27,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:59:27,886 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:59:27,888 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-06 18:59:27,888 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 18:59:27,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:27,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:27,890 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 18:59:27,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-06 18:59:27,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:59:27,892 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:59:27,892 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:59:27,892 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-02-06 18:59:27,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:27,898 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:59:27,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:27,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:59:27,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:59:27,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:59:27,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:59:27,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:27,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:27,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:59:27,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:59:27,932 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-06 18:59:27,932 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,942 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 25 transitions. Complement of second has 6 states. [2025-02-06 18:59:27,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-06 18:59:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2025-02-06 18:59:27,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2025-02-06 18:59:27,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2025-02-06 18:59:27,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2025-02-06 18:59:27,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:27,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2025-02-06 18:59:27,944 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 18:59:27,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2025-02-06 18:59:27,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 18:59:27,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 18:59:27,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 18:59:27,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 18:59:27,944 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:59:27,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:59:27,944 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:59:27,944 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 18:59:27,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 18:59:27,944 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 18:59:27,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 18:59:27,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 06:59:27 BoogieIcfgContainer [2025-02-06 18:59:27,950 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 18:59:27,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 18:59:27,951 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 18:59:27,951 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 18:59:27,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:59:25" (3/4) ... [2025-02-06 18:59:27,952 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 18:59:27,953 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 18:59:27,953 INFO L158 Benchmark]: Toolchain (without parser) took 2385.27ms. Allocated memory is still 167.8MB. Free memory was 134.3MB in the beginning and 75.3MB in the end (delta: 59.0MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2025-02-06 18:59:27,953 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 218.1MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:27,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 132.44ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 124.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 18:59:27,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.18ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 123.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:27,954 INFO L158 Benchmark]: Boogie Preprocessor took 14.40ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 122.8MB in the end (delta: 660.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:27,954 INFO L158 Benchmark]: IcfgBuilder took 146.72ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 113.5MB in the end (delta: 8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:27,954 INFO L158 Benchmark]: BuchiAutomizer took 2065.43ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 76.0MB in the end (delta: 37.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2025-02-06 18:59:27,954 INFO L158 Benchmark]: Witness Printer took 2.43ms. Allocated memory is still 167.8MB. Free memory was 76.0MB in the beginning and 75.3MB in the end (delta: 717.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:27,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 218.1MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 132.44ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 124.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.18ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 123.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.40ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 122.8MB in the end (delta: 660.1kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 146.72ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 113.5MB in the end (delta: 8.9MB). There was no memory consumed. Max. memory is 16.1GB. * BuchiAutomizer took 2065.43ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 76.0MB in the end (delta: 37.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 2.43ms. Allocated memory is still 167.8MB. Free memory was 76.0MB in the beginning and 75.3MB in the end (delta: 717.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function j and consists of 3 locations. One deterministic module has affine ranking function j and consists of 3 locations. One deterministic module has affine ranking function i and consists of 4 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 36 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax183 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-06 18:59:27,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2025-02-06 18:59:28,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-02-06 18:59:28,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 18:59:28,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE