./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/easy2-2.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/easy2-2.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 0ba0e3ec7d24c78a29a4980275f3f450c6adf9cab13a788bc587b5f2c8c6cbd4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:59:22,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:59:22,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-06 18:59:22,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:59:22,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:59:22,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 18:59:22,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:59:22,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:59:22,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:59:22,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:59:22,524 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:59:22,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:59:22,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:59:22,525 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:59:22,525 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 18:59:22,525 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 18:59:22,525 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 18:59:22,525 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 18:59:22,525 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 18:59:22,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:59:22,526 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:59:22,526 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:59:22,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:59:22,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:59:22,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:59:22,527 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 18:59:22,527 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 -> 0ba0e3ec7d24c78a29a4980275f3f450c6adf9cab13a788bc587b5f2c8c6cbd4 [2025-02-06 18:59:22,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:59:22,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:59:22,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:59:22,739 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:59:22,739 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:59:22,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/easy2-2.c [2025-02-06 18:59:23,874 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/358d3ad2f/22d2e784dc504490a93c00f34ec8c0c2/FLAG281f1e735 [2025-02-06 18:59:24,110 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:59:24,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/easy2-2.c [2025-02-06 18:59:24,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/358d3ad2f/22d2e784dc504490a93c00f34ec8c0c2/FLAG281f1e735 [2025-02-06 18:59:24,448 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/358d3ad2f/22d2e784dc504490a93c00f34ec8c0c2 [2025-02-06 18:59:24,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:59:24,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:59:24,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:59:24,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:59:24,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:59:24,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c12a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24, skipping insertion in model container [2025-02-06 18:59:24,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:59:24,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:59:24,647 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:59:24,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:59:24,679 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:59:24,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24 WrapperNode [2025-02-06 18:59:24,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:59:24,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:59:24,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:59:24,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:59:24,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,717 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2025-02-06 18:59:24,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:59:24,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:59:24,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:59:24,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:59:24,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,739 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 18:59:24,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,741 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:59:24,748 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:59:24,748 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:59:24,748 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:59:24,748 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (1/1) ... [2025-02-06 18:59:24,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:24,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:24,775 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 18:59:24,780 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 18:59:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:59:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:59:24,837 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:59:24,843 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:59:24,895 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-02-06 18:59:24,895 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:59:24,902 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:59:24,903 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 18:59:24,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:59:24 BoogieIcfgContainer [2025-02-06 18:59:24,904 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:59:24,904 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 18:59:24,904 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 18:59:24,908 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 18:59:24,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:59:24,909 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 06:59:24" (1/3) ... [2025-02-06 18:59:24,910 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55477b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 06:59:24, skipping insertion in model container [2025-02-06 18:59:24,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:59:24,911 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:59:24" (2/3) ... [2025-02-06 18:59:24,911 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55477b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 06:59:24, skipping insertion in model container [2025-02-06 18:59:24,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 18:59:24,911 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:59:24" (3/3) ... [2025-02-06 18:59:24,913 INFO L363 chiAutomizerObserver]: Analyzing ICFG easy2-2.c [2025-02-06 18:59:24,969 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 18:59:24,970 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 18:59:24,970 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 18:59:24,970 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 18:59:24,970 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 18:59:24,971 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 18:59:24,971 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 18:59:24,971 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 18:59:24,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:24,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-02-06 18:59:24,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:59:24,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:59:24,999 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 18:59:25,000 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 18:59:25,001 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 18:59:25,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:25,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-02-06 18:59:25,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 18:59:25,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 18:59:25,002 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 18:59:25,002 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 18:59:25,008 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" [2025-02-06 18:59:25,009 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~z~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1;main_~z~0#1 := main_~z~0#1 - 1;" [2025-02-06 18:59:25,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:25,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1120, now seen corresponding path program 1 times [2025-02-06 18:59:25,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:25,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632547000] [2025-02-06 18:59:25,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:25,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:25,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:25,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:25,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:25,066 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:25,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:25,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:25,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:25,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:25,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:25,077 INFO L85 PathProgramCache]: Analyzing trace with hash 34, now seen corresponding path program 1 times [2025-02-06 18:59:25,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:25,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167629600] [2025-02-06 18:59:25,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:25,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:25,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 18:59:25,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 18:59:25,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:25,086 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:25,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 18:59:25,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 18:59:25,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:25,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:25,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:25,091 INFO L85 PathProgramCache]: Analyzing trace with hash 34723, now seen corresponding path program 1 times [2025-02-06 18:59:25,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:59:25,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930236567] [2025-02-06 18:59:25,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:59:25,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:59:25,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:59:25,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:59:25,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:25,097 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 18:59:25,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 18:59:25,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 18:59:25,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 18:59:25,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 18:59:25,170 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:25,171 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:25,171 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:25,171 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:25,172 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 18:59:25,172 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,172 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:25,172 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:25,172 INFO L132 ssoRankerPreferences]: Filename of dumped script: easy2-2.c_Iteration1_Loop [2025-02-06 18:59:25,172 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:25,172 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:25,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,261 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:25,261 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 18:59:25,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,268 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 18:59:25,272 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 18:59:25,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:25,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:25,292 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:25,293 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 18:59:25,298 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 18:59:25,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,302 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 18:59:25,303 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 18:59:25,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:25,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:25,321 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:25,322 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 18:59:25,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-06 18:59:25,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,331 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 18:59:25,333 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 18:59:25,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:25,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:25,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-06 18:59:25,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,353 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 18:59:25,354 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 18:59:25,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:59:25,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:25,395 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 18:59:25,395 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1}, {ULTIMATE.start_main_~x~0#1=-7}, {ULTIMATE.start_main_~x~0#1=7}] Lambdas: [8, 2, 1] Nus: [1, 1] [2025-02-06 18:59:25,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-06 18:59:25,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,403 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 18:59:25,404 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 18:59:25,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 18:59:25,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:25,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-06 18:59:25,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,431 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 18:59:25,433 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 18:59:25,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 18:59:25,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 18:59:25,459 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 18:59:25,463 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 18:59:25,464 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 18:59:25,464 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 18:59:25,464 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 18:59:25,464 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 18:59:25,464 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 18:59:25,464 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,464 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 18:59:25,464 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 18:59:25,464 INFO L132 ssoRankerPreferences]: Filename of dumped script: easy2-2.c_Iteration1_Loop [2025-02-06 18:59:25,464 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 18:59:25,464 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 18:59:25,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 18:59:25,538 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 18:59:25,542 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 18:59:25,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,549 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 18:59:25,550 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 18:59:25,551 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 18:59:25,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:25,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:25,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:25,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:25,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:59:25,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 18:59:25,572 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:25,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-06 18:59:25,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,581 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 18:59:25,584 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 18:59:25,585 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 18:59:25,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:25,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:25,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:25,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:25,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 18:59:25,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 18:59:25,600 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:25,609 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 18:59:25,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,617 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 18:59:25,618 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 18:59:25,618 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 18:59:25,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:25,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:59:25,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:25,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:25,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:25,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:59:25,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:59:25,633 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 18:59:25,641 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 18:59:25,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,646 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 18:59:25,647 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 18:59:25,647 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 18:59:25,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 18:59:25,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 18:59:25,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 18:59:25,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 18:59:25,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 18:59:25,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 18:59:25,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 18:59:25,661 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 18:59:25,664 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 18:59:25,666 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 18:59:25,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 18:59:25,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:59:25,669 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 18:59:25,671 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 18:59:25,671 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 18:59:25,671 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 18:59:25,671 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 18:59:25,672 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2025-02-06 18:59:25,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-06 18:59:25,680 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 18:59:25,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:59:25,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 18:59:25,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 18:59:25,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:25,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:59:25,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:25,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 18:59:25,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 18:59:25,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:59:25,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:59:25,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:59:25,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:59:25,748 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 18:59:25,793 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 18:59:25,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:25,829 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 8 transitions. Complement of second has 3 states. [2025-02-06 18:59:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-02-06 18:59:25,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:59:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2025-02-06 18:59:25,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 1 letters. [2025-02-06 18:59:25,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:25,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 3 letters. Loop has 1 letters. [2025-02-06 18:59:25,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:25,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 2 letters. [2025-02-06 18:59:25,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 18:59:25,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2025-02-06 18:59:25,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 18:59:25,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2025-02-06 18:59:25,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 18:59:25,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 18:59:25,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 18:59:25,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 18:59:25,842 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:59:25,842 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:59:25,842 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 18:59:25,842 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 18:59:25,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 18:59:25,842 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 18:59:25,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 18:59:25,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 06:59:25 BoogieIcfgContainer [2025-02-06 18:59:25,848 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 18:59:25,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 18:59:25,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 18:59:25,849 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 18:59:25,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:59:24" (3/4) ... [2025-02-06 18:59:25,851 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 18:59:25,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 18:59:25,852 INFO L158 Benchmark]: Toolchain (without parser) took 1401.02ms. Allocated memory is still 201.3MB. Free memory was 159.2MB in the beginning and 88.8MB in the end (delta: 70.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-06 18:59:25,853 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 209.7MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:25,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.26ms. Allocated memory is still 201.3MB. Free memory was 159.2MB in the beginning and 149.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 18:59:25,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.86ms. Allocated memory is still 201.3MB. Free memory was 149.4MB in the beginning and 148.5MB in the end (delta: 877.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:25,853 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 201.3MB. Free memory was 148.5MB in the beginning and 147.6MB in the end (delta: 848.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:25,853 INFO L158 Benchmark]: IcfgBuilder took 156.14ms. Allocated memory is still 201.3MB. Free memory was 147.6MB in the beginning and 138.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 18:59:25,854 INFO L158 Benchmark]: BuchiAutomizer took 943.92ms. Allocated memory is still 201.3MB. Free memory was 138.0MB in the beginning and 88.8MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-06 18:59:25,854 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 201.3MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 18:59:25,855 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 209.7MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.26ms. Allocated memory is still 201.3MB. Free memory was 159.2MB in the beginning and 149.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.86ms. Allocated memory is still 201.3MB. Free memory was 149.4MB in the beginning and 148.5MB in the end (delta: 877.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 201.3MB. Free memory was 148.5MB in the beginning and 147.6MB in the end (delta: 848.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 156.14ms. Allocated memory is still 201.3MB. Free memory was 147.6MB in the beginning and 138.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 943.92ms. Allocated memory is still 201.3MB. Free memory was 138.0MB in the beginning and 88.8MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 201.3MB. Free memory is still 88.8MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function z and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp31 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 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 18:59:25,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-06 18:59:26,073 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