./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/invert_string-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/invert_string-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash b3da85103e65fd13a584e838d8b961878044a0a70e09ad1788e3ca53a404f357 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:02:47,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:02:47,426 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:02:47,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:02:47,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:02:47,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:02:47,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:02:47,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:02:47,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:02:47,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:02:47,448 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:02:47,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:02:47,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:02:47,448 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:02:47,448 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:02:47,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:02:47,449 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:02:47,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:02:47,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:02:47,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:02:47,450 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:02:47,450 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3da85103e65fd13a584e838d8b961878044a0a70e09ad1788e3ca53a404f357 [2025-03-04 16:02:47,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:02:47,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:02:47,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:02:47,692 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:02:47,692 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:02:47,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-1.c [2025-03-04 16:02:48,787 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f8e74a3/88c56e5d88664a66adeda5db0ff72e4a/FLAG7a388e72d [2025-03-04 16:02:49,052 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:02:49,052 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-1.c [2025-03-04 16:02:49,056 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f8e74a3/88c56e5d88664a66adeda5db0ff72e4a/FLAG7a388e72d [2025-03-04 16:02:49,365 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f8e74a3/88c56e5d88664a66adeda5db0ff72e4a [2025-03-04 16:02:49,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:02:49,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:02:49,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:02:49,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:02:49,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:02:49,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bea0c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49, skipping insertion in model container [2025-03-04 16:02:49,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:02:49,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:02:49,499 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:02:49,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:02:49,524 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:02:49,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49 WrapperNode [2025-03-04 16:02:49,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:02:49,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:02:49,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:02:49,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:02:49,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,549 INFO L138 Inliner]: procedures = 15, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2025-03-04 16:02:49,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:02:49,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:02:49,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:02:49,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:02:49,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,558 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,571 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 4, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 2, 1]. [2025-03-04 16:02:49,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,576 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:02:49,583 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:02:49,584 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:02:49,585 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:02:49,585 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (1/1) ... [2025-03-04 16:02:49,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:49,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:49,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:49,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-04 16:02:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:02:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 16:02:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 16:02:49,695 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:02:49,696 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:02:49,794 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-04 16:02:49,794 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:02:49,800 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:02:49,800 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:02:49,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:02:49 BoogieIcfgContainer [2025-03-04 16:02:49,801 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:02:49,801 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:02:49,801 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:02:49,805 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:02:49,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:02:49,806 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:02:49" (1/3) ... [2025-03-04 16:02:49,806 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11fee126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:02:49, skipping insertion in model container [2025-03-04 16:02:49,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:02:49,806 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:02:49" (2/3) ... [2025-03-04 16:02:49,806 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11fee126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:02:49, skipping insertion in model container [2025-03-04 16:02:49,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:02:49,807 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:02:49" (3/3) ... [2025-03-04 16:02:49,808 INFO L363 chiAutomizerObserver]: Analyzing ICFG invert_string-1.c [2025-03-04 16:02:49,839 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:02:49,839 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:02:49,840 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:02:49,840 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:02:49,840 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:02:49,840 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:02:49,840 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:02:49,840 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:02:49,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:49,853 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2025-03-04 16:02:49,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:02:49,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:02:49,856 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-04 16:02:49,856 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 16:02:49,856 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:02:49,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:49,857 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2025-03-04 16:02:49,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:02:49,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:02:49,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-04 16:02:49,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 16:02:49,863 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post13#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;havoc main_#t~nondet4#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1;" "assume !!(main_~MAX~0#1 > 0);" "call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0;" [2025-03-04 16:02:49,863 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~MAX~0#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" [2025-03-04 16:02:49,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:49,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1445822, now seen corresponding path program 1 times [2025-03-04 16:02:49,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322813727] [2025-03-04 16:02:49,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:49,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:49,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 16:02:49,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 16:02:49,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:49,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:49,962 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:49,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 16:02:49,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 16:02:49,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:49,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:49,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:49,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:49,992 INFO L85 PathProgramCache]: Analyzing trace with hash 43, now seen corresponding path program 1 times [2025-03-04 16:02:49,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:49,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939753556] [2025-03-04 16:02:49,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:49,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 16:02:50,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 16:02:50,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:50,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:50,003 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:50,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 16:02:50,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 16:02:50,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:50,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:50,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:50,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:50,009 INFO L85 PathProgramCache]: Analyzing trace with hash 44820494, now seen corresponding path program 1 times [2025-03-04 16:02:50,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:50,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603181830] [2025-03-04 16:02:50,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:50,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:50,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 16:02:50,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 16:02:50,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:50,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:50,035 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:50,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 16:02:50,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 16:02:50,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:50,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:50,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:50,499 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 16:02:50,500 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 16:02:50,500 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 16:02:50,500 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 16:02:50,500 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 16:02:50,500 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:50,500 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 16:02:50,500 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 16:02:50,500 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration1_Lasso [2025-03-04 16:02:50,500 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 16:02:50,500 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 16:02:50,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:50,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:51,060 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 16:02:51,064 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 16:02:51,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-04 16:02:51,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,097 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-03-04 16:02:51,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-04 16:02:51,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,132 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 [2025-03-04 16:02:51,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-04 16:02:51,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:51,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,160 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-04 16:02:51,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,176 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-03-04 16:02:51,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,184 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-04 16:02:51,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,202 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-04 16:02:51,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,214 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-04 16:02:51,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-03-04 16:02:51,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,240 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-04 16:02:51,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-03-04 16:02:51,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-04 16:02:51,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-03-04 16:02:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,292 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-04 16:02:51,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,306 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-03-04 16:02:51,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,315 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-04 16:02:51,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-03-04 16:02:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,341 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-04 16:02:51,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,357 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-04 16:02:51,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,373 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-04 16:02:51,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,389 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,394 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 [2025-03-04 16:02:51,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,396 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-04 16:02:51,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,413 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-03-04 16:02:51,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,422 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-04 16:02:51,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,436 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-03-04 16:02:51,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,443 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-03-04 16:02:51,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-03-04 16:02:51,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,464 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-03-04 16:02:51,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,481 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-03-04 16:02:51,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,489 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-04 16:02:51,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,512 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-03-04 16:02:51,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,521 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-03-04 16:02:51,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:51,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:51,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:51,537 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:51,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,546 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-03-04 16:02:51,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,567 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:51,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,576 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-03-04 16:02:51,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-03-04 16:02:51,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,605 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-03-04 16:02:51,608 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 [2025-03-04 16:02:51,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,624 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:51,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,632 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-03-04 16:02:51,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,651 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-03-04 16:02:51,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,659 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-03-04 16:02:51,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:51,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:51,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,685 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-03-04 16:02:51,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:51,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:51,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:51,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:51,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:51,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:51,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:51,709 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 16:02:51,728 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2025-03-04 16:02:51,730 INFO L444 ModelExtractionUtils]: 8 out of 19 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-03-04 16:02:51,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:51,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:51,734 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:51,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-03-04 16:02:51,737 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 16:02:51,748 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-04 16:02:51,748 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 16:02:51,748 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#str1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~#str1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 Supporting invariants [] [2025-03-04 16:02:51,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:51,776 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2025-03-04 16:02:51,782 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str1~0!offset [2025-03-04 16:02:51,783 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-03-04 16:02:51,784 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-03-04 16:02:51,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:51,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 16:02:51,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 16:02:51,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:51,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:02:51,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 16:02:51,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:02:51,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 16:02:51,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 16:02:51,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:51,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:02:51,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 16:02:51,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:02:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:02:51,858 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-04 16:02:51,859 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:51,879 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 4 states. [2025-03-04 16:02:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-04 16:02:51,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2025-03-04 16:02:51,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 4 letters. Loop has 1 letters. [2025-03-04 16:02:51,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:51,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 5 letters. Loop has 1 letters. [2025-03-04 16:02:51,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:51,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2025-03-04 16:02:51,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:51,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2025-03-04 16:02:51,892 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-04 16:02:51,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 13 states and 18 transitions. [2025-03-04 16:02:51,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-03-04 16:02:51,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-03-04 16:02:51,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2025-03-04 16:02:51,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:02:51,897 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2025-03-04 16:02:51,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2025-03-04 16:02:51,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2025-03-04 16:02:51,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2025-03-04 16:02:51,911 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2025-03-04 16:02:51,911 INFO L432 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2025-03-04 16:02:51,912 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:02:51,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2025-03-04 16:02:51,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-04 16:02:51,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:02:51,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:02:51,912 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-04 16:02:51,912 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 16:02:51,913 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post13#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;havoc main_#t~nondet4#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1;" "assume !!(main_~MAX~0#1 > 0);" "call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~MAX~0#1);call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1;" [2025-03-04 16:02:51,913 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 >= 0;call main_#t~mem7#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int#2(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1;" [2025-03-04 16:02:51,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:51,913 INFO L85 PathProgramCache]: Analyzing trace with hash 44820493, now seen corresponding path program 1 times [2025-03-04 16:02:51,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:51,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59690473] [2025-03-04 16:02:51,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:51,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:51,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 16:02:51,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 16:02:51,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:51,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:02:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:02:52,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:02:52,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59690473] [2025-03-04 16:02:52,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59690473] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:02:52,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:02:52,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:02:52,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974962819] [2025-03-04 16:02:52,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:02:52,030 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:02:52,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:52,031 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2025-03-04 16:02:52,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:52,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618754129] [2025-03-04 16:02:52,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:52,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 16:02:52,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 16:02:52,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:52,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:52,040 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:52,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 16:02:52,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 16:02:52,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:52,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:52,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:52,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:02:52,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 16:02:52,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 16:02:52,111 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:52,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:02:52,129 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2025-03-04 16:02:52,129 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2025-03-04 16:02:52,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-04 16:02:52,129 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 15 transitions. [2025-03-04 16:02:52,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-03-04 16:02:52,129 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-03-04 16:02:52,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2025-03-04 16:02:52,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:02:52,129 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2025-03-04 16:02:52,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2025-03-04 16:02:52,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 10. [2025-03-04 16:02:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2025-03-04 16:02:52,130 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2025-03-04 16:02:52,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 16:02:52,131 INFO L432 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2025-03-04 16:02:52,131 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 16:02:52,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2025-03-04 16:02:52,132 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-04 16:02:52,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:02:52,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:02:52,132 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-03-04 16:02:52,132 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 16:02:52,132 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post13#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;havoc main_#t~nondet4#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1;" "assume !!(main_~MAX~0#1 > 0);" "call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~MAX~0#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~i~0#1 < main_~MAX~0#1);call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1;" [2025-03-04 16:02:52,132 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 >= 0;call main_#t~mem7#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int#2(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1;" [2025-03-04 16:02:52,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:52,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1389435325, now seen corresponding path program 1 times [2025-03-04 16:02:52,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:52,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587452796] [2025-03-04 16:02:52,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:52,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 16:02:52,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 16:02:52,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:52,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:52,148 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:52,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 16:02:52,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 16:02:52,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:52,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:52,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:52,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:52,159 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2025-03-04 16:02:52,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:52,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173967443] [2025-03-04 16:02:52,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:02:52,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:52,162 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-03-04 16:02:52,164 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 16:02:52,164 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:02:52,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:52,164 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:52,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 16:02:52,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 16:02:52,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:52,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:52,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:52,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:52,168 INFO L85 PathProgramCache]: Analyzing trace with hash 122822125, now seen corresponding path program 1 times [2025-03-04 16:02:52,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:52,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712856446] [2025-03-04 16:02:52,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:52,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:52,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:02:52,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:02:52,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:52,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:52,179 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:52,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:02:52,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:02:52,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:52,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:52,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:52,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-03-04 16:02:52,592 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 16:02:52,592 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 16:02:52,592 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 16:02:52,592 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 16:02:52,592 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 16:02:52,592 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:52,592 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 16:02:52,592 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 16:02:52,592 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration3_Lasso [2025-03-04 16:02:52,592 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 16:02:52,593 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 16:02:52,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:52,990 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 16:02:52,990 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 16:02:52,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:52,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:52,992 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:52,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-03-04 16:02:52,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:53,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:53,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:53,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:53,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:53,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:53,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:53,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:53,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:53,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:53,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:53,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:53,015 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:53,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-03-04 16:02:53,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:53,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:53,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:53,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:53,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:53,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:53,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:53,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:53,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:53,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:53,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:53,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:53,037 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:53,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-03-04 16:02:53,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:53,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:53,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:53,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:53,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:53,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:53,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:53,052 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:53,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-03-04 16:02:53,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:53,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:53,060 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:53,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-03-04 16:02:53,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:53,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:53,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:53,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:53,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:53,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:53,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:53,078 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:53,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-03-04 16:02:53,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:53,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:53,086 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:53,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-03-04 16:02:53,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:53,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:53,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:53,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:53,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:53,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:53,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:53,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:53,099 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:53,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-03-04 16:02:53,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:53,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:53,106 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:53,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-03-04 16:02:53,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:53,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:53,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:53,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:53,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:53,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:53,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:53,122 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 16:02:53,127 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-03-04 16:02:53,127 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-03-04 16:02:53,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:53,129 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:53,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-03-04 16:02:53,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 16:02:53,142 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-04 16:02:53,143 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 16:02:53,143 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2025-03-04 16:02:53,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-03-04 16:02:53,169 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2025-03-04 16:02:53,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:53,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 16:02:53,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 16:02:53,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:02:53,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 16:02:53,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:02:53,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 16:02:53,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 16:02:53,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:02:53,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 16:02:53,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:02:53,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:02:53,204 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-04 16:02:53,205 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:53,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 15 transitions. Complement of second has 3 states. [2025-03-04 16:02:53,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-04 16:02:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2025-03-04 16:02:53,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 6 letters. Loop has 1 letters. [2025-03-04 16:02:53,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:53,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 7 letters. Loop has 1 letters. [2025-03-04 16:02:53,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:53,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2025-03-04 16:02:53,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:53,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2025-03-04 16:02:53,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 16:02:53,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 15 transitions. [2025-03-04 16:02:53,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-04 16:02:53,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-03-04 16:02:53,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2025-03-04 16:02:53,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:02:53,217 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2025-03-04 16:02:53,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2025-03-04 16:02:53,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2025-03-04 16:02:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2025-03-04 16:02:53,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2025-03-04 16:02:53,217 INFO L432 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2025-03-04 16:02:53,217 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-04 16:02:53,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2025-03-04 16:02:53,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 16:02:53,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:02:53,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:02:53,218 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:02:53,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-04 16:02:53,218 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post13#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;havoc main_#t~nondet4#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1;" "assume !!(main_~MAX~0#1 > 0);" "call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~MAX~0#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~i~0#1 < main_~MAX~0#1);call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1;" "assume !(main_~i~0#1 >= 0);main_~j~0#1 := main_~MAX~0#1 - 1;main_~i~0#1 := 0;" [2025-03-04 16:02:53,219 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~MAX~0#1;call main_#t~mem10#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int#2(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;" [2025-03-04 16:02:53,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:53,219 INFO L85 PathProgramCache]: Analyzing trace with hash 122822124, now seen corresponding path program 1 times [2025-03-04 16:02:53,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:53,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602267446] [2025-03-04 16:02:53,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:53,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:53,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:02:53,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:02:53,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:02:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 16:02:53,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:02:53,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602267446] [2025-03-04 16:02:53,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602267446] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:02:53,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:02:53,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:02:53,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589661838] [2025-03-04 16:02:53,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:02:53,278 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:02:53,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:53,278 INFO L85 PathProgramCache]: Analyzing trace with hash 37698, now seen corresponding path program 1 times [2025-03-04 16:02:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:53,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452050147] [2025-03-04 16:02:53,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:53,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:53,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:02:53,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:02:53,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:53,286 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:53,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:02:53,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:02:53,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:53,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:53,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:02:53,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 16:02:53,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 16:02:53,358 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:53,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:02:53,373 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2025-03-04 16:02:53,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2025-03-04 16:02:53,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 16:02:53,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2025-03-04 16:02:53,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-04 16:02:53,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-03-04 16:02:53,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2025-03-04 16:02:53,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:02:53,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-04 16:02:53,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2025-03-04 16:02:53,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-03-04 16:02:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2025-03-04 16:02:53,379 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-04 16:02:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 16:02:53,379 INFO L432 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-04 16:02:53,379 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-03-04 16:02:53,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2025-03-04 16:02:53,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-04 16:02:53,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:02:53,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:02:53,380 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:02:53,380 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-04 16:02:53,380 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post13#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;havoc main_#t~nondet4#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1;" "assume !!(main_~MAX~0#1 > 0);" "call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1 % 4294967296);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~MAX~0#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1;main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~i~0#1 < main_~MAX~0#1);call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1;" "assume main_~i~0#1 >= 0;call main_#t~mem7#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int#2(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 >= 0);main_~j~0#1 := main_~MAX~0#1 - 1;main_~i~0#1 := 0;" [2025-03-04 16:02:53,380 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~MAX~0#1;call main_#t~mem10#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int#2(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;" [2025-03-04 16:02:53,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:53,380 INFO L85 PathProgramCache]: Analyzing trace with hash -487481412, now seen corresponding path program 1 times [2025-03-04 16:02:53,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:53,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290405299] [2025-03-04 16:02:53,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:53,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:53,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:02:53,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:02:53,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:53,396 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:53,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:02:53,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:02:53,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:53,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:53,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:53,413 INFO L85 PathProgramCache]: Analyzing trace with hash 37698, now seen corresponding path program 2 times [2025-03-04 16:02:53,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:53,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850463344] [2025-03-04 16:02:53,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:02:53,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:53,417 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:02:53,420 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:02:53,421 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:02:53,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:53,421 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:53,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:02:53,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:02:53,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:53,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:53,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:53,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1274309209, now seen corresponding path program 1 times [2025-03-04 16:02:53,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:02:53,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439280775] [2025-03-04 16:02:53,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:02:53,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:02:53,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 16:02:53,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 16:02:53,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:53,458 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:02:53,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 16:02:53,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-03-04 16:02:53,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 16:02:53,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:53,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:02:53,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:02:53,858 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 16:02:53,858 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 16:02:53,858 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 16:02:53,859 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 16:02:53,859 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 16:02:53,859 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:53,859 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 16:02:53,859 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 16:02:53,859 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration5_Lasso [2025-03-04 16:02:53,859 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 16:02:53,859 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 16:02:53,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:53,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:53,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:53,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:53,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:53,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:53,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:53,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 16:02:54,299 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 16:02:54,300 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 16:02:54,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,302 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-03-04 16:02:54,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:54,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:54,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:54,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-03-04 16:02:54,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,322 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-03-04 16:02:54,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:54,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:54,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:54,338 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-03-04 16:02:54,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,347 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-03-04 16:02:54,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:54,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:54,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:54,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-03-04 16:02:54,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,369 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-03-04 16:02:54,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:54,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:54,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:54,384 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:54,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,392 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-03-04 16:02:54,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:54,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:54,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:54,404 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-03-04 16:02:54,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,412 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-03-04 16:02:54,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:54,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:54,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:54,425 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-03-04 16:02:54,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,433 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-03-04 16:02:54,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 16:02:54,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 16:02:54,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 16:02:54,447 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:54,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,454 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-03-04 16:02:54,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:54,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:54,468 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2025-03-04 16:02:54,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,476 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-03-04 16:02:54,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:54,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:54,490 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2025-03-04 16:02:54,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,498 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-03-04 16:02:54,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:54,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:54,515 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:54,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,525 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-03-04 16:02:54,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:54,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:54,542 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 16:02:54,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-03-04 16:02:54,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,555 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-03-04 16:02:54,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 16:02:54,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 16:02:54,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 16:02:54,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 16:02:54,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 16:02:54,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 16:02:54,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 16:02:54,581 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 16:02:54,591 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-03-04 16:02:54,592 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-03-04 16:02:54,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:02:54,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:02:54,594 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:02:54,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-03-04 16:02:54,596 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 16:02:54,606 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-04 16:02:54,606 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 16:02:54,606 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~MAX~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~MAX~0#1 Supporting invariants [] [2025-03-04 16:02:54,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2025-03-04 16:02:54,633 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2025-03-04 16:02:54,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:02:54,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:02:54,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:02:54,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:54,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:02:54,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 16:02:54,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:02:54,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 16:02:54,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 16:02:54,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:02:54,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:02:54,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 16:02:54,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 16:02:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:02:54,680 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-03-04 16:02:54,680 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:54,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 4 states. [2025-03-04 16:02:54,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 16:02:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:02:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2025-03-04 16:02:54,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 3 letters. [2025-03-04 16:02:54,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:54,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 3 letters. [2025-03-04 16:02:54,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:54,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 6 letters. [2025-03-04 16:02:54,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 16:02:54,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2025-03-04 16:02:54,699 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 16:02:54,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2025-03-04 16:02:54,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-04 16:02:54,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-04 16:02:54,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-04 16:02:54,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:02:54,700 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 16:02:54,700 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 16:02:54,700 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 16:02:54,700 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-03-04 16:02:54,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-04 16:02:54,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 16:02:54,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-04 16:02:54,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:02:54 BoogieIcfgContainer [2025-03-04 16:02:54,708 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:02:54,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:02:54,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:02:54,709 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:02:54,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:02:49" (3/4) ... [2025-03-04 16:02:54,711 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 16:02:54,712 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:02:54,713 INFO L158 Benchmark]: Toolchain (without parser) took 5345.15ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 95.2MB in the end (delta: 17.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2025-03-04 16:02:54,713 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:02:54,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.04ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 101.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:02:54,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.98ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 100.1MB in the end (delta: 991.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:02:54,714 INFO L158 Benchmark]: Boogie Preprocessor took 30.73ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 98.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:02:54,714 INFO L158 Benchmark]: IcfgBuilder took 218.16ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 86.1MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:02:54,714 INFO L158 Benchmark]: BuchiAutomizer took 4907.22ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 95.2MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:02:54,715 INFO L158 Benchmark]: Witness Printer took 3.04ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 95.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:02:54,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.04ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 101.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.98ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 100.1MB in the end (delta: 991.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.73ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 98.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 218.16ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 86.1MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4907.22ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 95.2MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.04ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 95.2MB in the end (delta: 27.1kB). 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: Unknown variable: ~#str1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function (((long long) 2 * i) + 1) and consists of 2 locations. One deterministic module has affine ranking function (((long long) -1 * i) + MAX) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 29 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital187 mio100 ax100 hnf100 lsp89 ukn72 mio100 lsp30 div125 bol100 ite100 ukn100 eq159 hnf92 smp90 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-04 16:02:54,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-03-04 16:02:54,931 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