./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/MenloPark.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/MenloPark.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6dae4b60aa9efa1955ef5fbb576e87a787ed072bbe9c11eb4417a5220402d102 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:31:46,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:31:46,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-10 22:31:46,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:31:46,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:31:46,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:31:46,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:31:46,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:31:46,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:31:46,753 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:31:46,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:31:46,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:31:46,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:31:46,759 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:31:46,759 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:31:46,760 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:31:46,761 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:31:46,761 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:31:46,761 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:31:46,762 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:31:46,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:31:46,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:31:46,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:31:46,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:31:46,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:31:46,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:31:46,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:31:46,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:31:46,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:31:46,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:31:46,765 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:31:46,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:31:46,766 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:31:46,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:31:46,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:31:46,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:31:46,767 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:31:46,768 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dae4b60aa9efa1955ef5fbb576e87a787ed072bbe9c11eb4417a5220402d102 [2024-11-10 22:31:47,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:31:47,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:31:47,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:31:47,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:31:47,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:31:47,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/MenloPark.c [2024-11-10 22:31:48,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:31:48,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:31:48,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/MenloPark.c [2024-11-10 22:31:48,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3358665d3/6f0f9f16d6a24bbbb1253b73bf259c96/FLAG51ed0701a [2024-11-10 22:31:49,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3358665d3/6f0f9f16d6a24bbbb1253b73bf259c96 [2024-11-10 22:31:49,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:31:49,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:31:49,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:31:49,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:31:49,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:31:49,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a34b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49, skipping insertion in model container [2024-11-10 22:31:49,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:31:49,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:31:49,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:31:49,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:31:49,246 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:31:49,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49 WrapperNode [2024-11-10 22:31:49,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:31:49,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:31:49,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:31:49,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:31:49,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,274 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-10 22:31:49,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:31:49,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:31:49,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:31:49,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:31:49,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,286 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,292 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 22:31:49,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:31:49,325 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:31:49,325 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:31:49,325 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:31:49,326 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (1/1) ... [2024-11-10 22:31:49,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:49,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:49,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:49,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 22:31:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:31:49,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:31:49,484 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:31:49,486 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:31:49,543 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-10 22:31:49,544 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:31:49,556 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:31:49,556 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:31:49,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:31:49 BoogieIcfgContainer [2024-11-10 22:31:49,557 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:31:49,558 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:31:49,558 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:31:49,562 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:31:49,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:31:49,563 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:31:49" (1/3) ... [2024-11-10 22:31:49,564 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7df7fd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:31:49, skipping insertion in model container [2024-11-10 22:31:49,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:31:49,564 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:49" (2/3) ... [2024-11-10 22:31:49,564 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7df7fd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:31:49, skipping insertion in model container [2024-11-10 22:31:49,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:31:49,565 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:31:49" (3/3) ... [2024-11-10 22:31:49,566 INFO L332 chiAutomizerObserver]: Analyzing ICFG MenloPark.c [2024-11-10 22:31:49,612 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:31:49,612 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:31:49,612 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:31:49,612 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:31:49,612 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:31:49,613 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:31:49,613 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:31:49,613 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:31:49,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:31:49,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 22:31:49,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:31:49,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:31:49,632 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:31:49,632 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:31:49,633 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:31:49,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:31:49,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 22:31:49,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:31:49,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:31:49,634 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:31:49,634 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:31:49,640 INFO L745 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#ULTIMATE.init_returnLabel#1true assume 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;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 100;main_~z~0#1 := 1; 3#L22true [2024-11-10 22:31:49,641 INFO L747 eck$LassoCheckResult]: Loop: 3#L22true assume true; 5#L22-1true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := main_~y~0#1 - main_~z~0#1;main_~z~0#1 := -main_~z~0#1; 3#L22true [2024-11-10 22:31:49,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:49,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1280, now seen corresponding path program 1 times [2024-11-10 22:31:49,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:49,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96030041] [2024-11-10 22:31:49,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:49,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:49,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:49,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:49,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1184, now seen corresponding path program 1 times [2024-11-10 22:31:49,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:49,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047383508] [2024-11-10 22:31:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:49,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:49,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:49,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:49,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1230303, now seen corresponding path program 1 times [2024-11-10 22:31:49,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:31:49,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597675072] [2024-11-10 22:31:49,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:31:49,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:31:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:49,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:31:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:31:49,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:31:49,998 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:31:49,999 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:31:49,999 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:31:49,999 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:31:49,999 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:31:49,999 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,000 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:31:50,000 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:31:50,000 INFO L132 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2024-11-10 22:31:50,000 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:31:50,001 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:31:50,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,171 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:31:50,171 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:31:50,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-10 22:31:50,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:31:50,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:31:50,208 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:31:50,209 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:31:50,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-10 22:31:50,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-10 22:31:50,232 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:31:50,232 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:31:50,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:50,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-10 22:31:50,269 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:31:50,269 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:31:50,312 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:31:50,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-10 22:31:50,318 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:31:50,318 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:31:50,318 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:31:50,319 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:31:50,319 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:31:50,319 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,319 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:31:50,319 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:31:50,319 INFO L132 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2024-11-10 22:31:50,319 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:31:50,319 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:31:50,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:31:50,441 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:31:50,446 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:31:50,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-10 22:31:50,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:50,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:50,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:50,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:50,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:31:50,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:31:50,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:31:50,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:50,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-10 22:31:50,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,502 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-10 22:31:50,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:50,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:50,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:50,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:50,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:50,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:31:50,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:31:50,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:50,527 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:50,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-10 22:31:50,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,546 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-10 22:31:50,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:50,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:50,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:50,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:50,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:31:50,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:31:50,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:31:50,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:50,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-10 22:31:50,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,605 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-10 22:31:50,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:50,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:50,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:50,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:50,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:50,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:31:50,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:31:50,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:50,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:50,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:50,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,646 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-10 22:31:50,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:50,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:50,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:50,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:50,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:31:50,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:31:50,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:31:50,669 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:50,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:50,684 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-10 22:31:50,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,687 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-10 22:31:50,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:50,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:50,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:50,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:50,704 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-10 22:31:50,709 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-10 22:31:50,709 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-10 22:31:50,721 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:50,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:50,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,738 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-10 22:31:50,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:50,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:50,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:31:50,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:50,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:50,755 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-10 22:31:50,756 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-10 22:31:50,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:31:50,761 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:31:50,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-10 22:31:50,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,778 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-10 22:31:50,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:31:50,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:31:50,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:31:50,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:31:50,795 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-10 22:31:50,803 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-10 22:31:50,803 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-10 22:31:50,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:31:50,832 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-10 22:31:50,833 INFO L444 ModelExtractionUtils]: 8 out of 21 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-10 22:31:50,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:31:50,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:31:50,858 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:31:50,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-10 22:31:50,860 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:31:50,875 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2024-11-10 22:31:50,875 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:31:50,876 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 4*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [2*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 - 1 >= 0] [2024-11-10 22:31:50,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-10 22:31:50,904 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-10 22:31:50,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-10 22:31:50,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-10 22:31:50,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:31:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:31:50,968 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:31:50,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:31:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:31:50,988 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 22:31:50,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:31:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:31:51,117 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-10 22:31:51,119 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2024-11-10 22:31:51,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 14 states and 16 transitions. Complement of second has 6 states. [2024-11-10 22:31:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:31:51,226 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) [2024-11-10 22:31:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-10 22:31:51,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-10 22:31:51,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:31:51,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-10 22:31:51,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:31:51,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-10 22:31:51,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:31:51,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2024-11-10 22:31:51,235 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:31:51,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-10 22:31:51,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:31:51,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:31:51,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:31:51,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:31:51,239 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:31:51,239 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:31:51,239 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:31:51,239 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:31:51,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:31:51,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:31:51,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:31:51,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:31:51 BoogieIcfgContainer [2024-11-10 22:31:51,250 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:31:51,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:31:51,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:31:51,253 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:31:51,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:31:49" (3/4) ... [2024-11-10 22:31:51,256 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:31:51,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:31:51,260 INFO L158 Benchmark]: Toolchain (without parser) took 2231.34ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 86.3MB in the beginning and 191.5MB in the end (delta: -105.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:31:51,261 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 109.3MB in the end (delta: 133.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:31:51,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.08ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 74.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:31:51,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.71ms. Allocated memory is still 159.4MB. Free memory was 74.8MB in the beginning and 73.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:31:51,263 INFO L158 Benchmark]: Boogie Preprocessor took 48.79ms. Allocated memory is still 159.4MB. Free memory was 73.5MB in the beginning and 129.2MB in the end (delta: -55.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-10 22:31:51,263 INFO L158 Benchmark]: IcfgBuilder took 232.04ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 129.2MB in the beginning and 190.3MB in the end (delta: -61.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 22:31:51,263 INFO L158 Benchmark]: BuchiAutomizer took 1694.81ms. Allocated memory is still 224.4MB. Free memory was 190.3MB in the beginning and 192.6MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:31:51,264 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 224.4MB. Free memory is still 191.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:31:51,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2024-11-10 22:31:51,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 109.3MB in the end (delta: 133.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.08ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 74.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.71ms. Allocated memory is still 159.4MB. Free memory was 74.8MB in the beginning and 73.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.79ms. Allocated memory is still 159.4MB. Free memory was 73.5MB in the beginning and 129.2MB in the end (delta: -55.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * IcfgBuilder took 232.04ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 129.2MB in the beginning and 190.3MB in the end (delta: -61.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1694.81ms. Allocated memory is still 224.4MB. Free memory was 190.3MB in the beginning and 192.6MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 224.4MB. Free memory is still 191.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * 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 2-nested ranking function null, null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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 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, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax146 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 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! [2024-11-10 22:31:51,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE