./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 15:35:02,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 15:35:02,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-04 15:35:02,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 15:35:02,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 15:35:02,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 15:35:02,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 15:35:02,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 15:35:02,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 15:35:02,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 15:35:02,682 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 15:35:02,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 15:35:02,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 15:35:02,682 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 15:35:02,682 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 15:35:02,682 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 15:35:02,682 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 15:35:02,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 15:35:02,683 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 15:35:02,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 15:35:02,683 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 15:35:02,683 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf [2025-03-04 15:35:02,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 15:35:02,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 15:35:02,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 15:35:02,891 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 15:35:02,891 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 15:35:02,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2025-03-04 15:35:03,980 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c9175912/89b39fb9d25b45fdba4fe78067c07015/FLAGda8464182 [2025-03-04 15:35:04,210 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 15:35:04,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2025-03-04 15:35:04,217 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c9175912/89b39fb9d25b45fdba4fe78067c07015/FLAGda8464182 [2025-03-04 15:35:04,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c9175912/89b39fb9d25b45fdba4fe78067c07015 [2025-03-04 15:35:04,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 15:35:04,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 15:35:04,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 15:35:04,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 15:35:04,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 15:35:04,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e065841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04, skipping insertion in model container [2025-03-04 15:35:04,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 15:35:04,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:35:04,635 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 15:35:04,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:35:04,654 INFO L204 MainTranslator]: Completed translation [2025-03-04 15:35:04,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04 WrapperNode [2025-03-04 15:35:04,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 15:35:04,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 15:35:04,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 15:35:04,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 15:35:04,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,673 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2025-03-04 15:35:04,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 15:35:04,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 15:35:04,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 15:35:04,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 15:35:04,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,683 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-04 15:35:04,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,684 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 15:35:04,690 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 15:35:04,692 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 15:35:04,692 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 15:35:04,692 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (1/1) ... [2025-03-04 15:35:04,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:04,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:04,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:04,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-04 15:35:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 15:35:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 15:35:04,778 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 15:35:04,779 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 15:35:04,899 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-04 15:35:04,899 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 15:35:04,907 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 15:35:04,909 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 15:35:04,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:35:04 BoogieIcfgContainer [2025-03-04 15:35:04,909 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 15:35:04,910 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 15:35:04,910 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 15:35:04,914 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 15:35:04,915 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:35:04,915 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 03:35:04" (1/3) ... [2025-03-04 15:35:04,916 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3990b0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 03:35:04, skipping insertion in model container [2025-03-04 15:35:04,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:35:04,917 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:35:04" (2/3) ... [2025-03-04 15:35:04,917 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3990b0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 03:35:04, skipping insertion in model container [2025-03-04 15:35:04,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 15:35:04,917 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:35:04" (3/3) ... [2025-03-04 15:35:04,918 INFO L363 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig1.c [2025-03-04 15:35:04,956 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 15:35:04,957 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 15:35:04,957 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 15:35:04,957 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 15:35:04,957 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 15:35:04,957 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 15:35:04,957 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 15:35:04,957 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 15:35:04,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:04,972 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2025-03-04 15:35:04,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:04,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:04,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-04 15:35:04,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 15:35:04,976 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 15:35:04,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:04,979 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2025-03-04 15:35:04,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:04,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:04,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-04 15:35:04,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 15:35:04,984 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" [2025-03-04 15:35:04,984 INFO L754 eck$LassoCheckResult]: Loop: "assume f_~z~0#1 < f_~k~0#1;f_~z~0#1 := 2 * f_~z~0#1;" [2025-03-04 15:35:04,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:04,991 INFO L85 PathProgramCache]: Analyzing trace with hash 57226489, now seen corresponding path program 1 times [2025-03-04 15:35:04,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:04,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473263119] [2025-03-04 15:35:04,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:05,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:35:05,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:35:05,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:05,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:05,051 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:05,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:35:05,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:35:05,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:05,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:05,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:05,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:05,068 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times [2025-03-04 15:35:05,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:05,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345900435] [2025-03-04 15:35:05,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:05,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:05,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:35:05,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:35:05,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:05,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:05,075 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:05,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:35:05,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:35:05,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:05,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:05,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:05,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:05,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1774021181, now seen corresponding path program 1 times [2025-03-04 15:35:05,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:05,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443086706] [2025-03-04 15:35:05,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:05,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:05,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:35:05,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:35:05,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:05,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:05,093 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:05,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:35:05,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:35:05,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:05,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:05,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:05,174 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:05,174 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:05,174 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:05,174 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:05,174 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:05,175 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,175 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:05,175 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:05,175 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2025-03-04 15:35:05,175 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:05,175 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:05,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:05,297 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:05,298 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:05,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-04 15:35:05,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,316 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,316 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-03-04 15:35:05,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-04 15:35:05,325 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,325 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,337 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,337 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0} Honda state: {ULTIMATE.start_f_~d#1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-03-04 15:35:05,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-04 15:35:05,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,362 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,362 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0#1=0} Honda state: {ULTIMATE.start_f_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,368 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 15:35:05,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-04 15:35:05,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,386 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,387 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-03-04 15:35:05,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,395 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-04 15:35:05,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,413 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,414 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:05,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-04 15:35:05,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,438 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,438 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:05,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,446 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-04 15:35:05,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,464 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,464 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=0} Honda state: {ULTIMATE.start_f_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:05,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,473 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-04 15:35:05,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,494 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,494 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-03-04 15:35:05,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,502 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-04 15:35:05,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,517 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:05,518 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:05,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:05,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,540 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-04 15:35:05,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:05,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:05,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:05,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:05,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:05,575 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:05,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-04 15:35:05,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:05,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:07,091 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:07,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:07,127 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:07,128 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:07,128 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:07,128 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:07,128 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:07,128 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,128 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:07,128 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:07,128 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2025-03-04 15:35:07,128 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:07,128 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:07,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,228 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:07,230 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:07,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,234 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-04 15:35:07,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:07,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:07,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:07,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:07,254 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:07,261 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 15:35:07,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,263 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-04 15:35:07,266 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 15:35:07,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:07,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:07,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:07,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:07,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,291 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-04 15:35:07,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:07,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:07,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:07,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:07,304 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:07,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-03-04 15:35:07,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,312 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-03-04 15:35:07,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:07,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:07,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:07,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:07,327 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:07,333 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 15:35:07,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,335 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-03-04 15:35:07,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:07,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:07,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:07,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:07,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:07,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-03-04 15:35:07,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,356 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-04 15:35:07,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:07,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:07,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:07,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:07,372 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:07,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-03-04 15:35:07,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,379 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-03-04 15:35:07,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:07,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:07,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:07,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:07,393 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:07,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-03-04 15:35:07,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,400 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-03-04 15:35:07,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:07,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:07,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:07,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:07,413 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:07,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-03-04 15:35:07,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,421 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-03-04 15:35:07,423 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 15:35:07,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:07,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:07,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:07,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:07,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:07,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:07,450 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:07,462 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-03-04 15:35:07,465 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-03-04 15:35:07,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,472 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-03-04 15:35:07,474 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:07,485 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:07,485 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:07,486 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2025-03-04 15:35:07,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-03-04 15:35:07,498 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:07,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:07,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:35:07,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-03-04 15:35:07,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:35:07,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:07,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:07,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 15:35:07,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:07,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:35:07,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:35:07,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:07,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:07,590 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:07,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:07,613 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2025-03-04 15:35:07,615 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:07,662 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 41 transitions. Complement of second has 4 states. [2025-03-04 15:35:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:07,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2025-03-04 15:35:07,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 5 letters. Loop has 1 letters. [2025-03-04 15:35:07,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:07,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 6 letters. Loop has 1 letters. [2025-03-04 15:35:07,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:07,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 5 letters. Loop has 2 letters. [2025-03-04 15:35:07,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:07,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2025-03-04 15:35:07,674 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2025-03-04 15:35:07,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 28 transitions. [2025-03-04 15:35:07,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2025-03-04 15:35:07,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2025-03-04 15:35:07,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 28 transitions. [2025-03-04 15:35:07,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 15:35:07,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2025-03-04 15:35:07,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 28 transitions. [2025-03-04 15:35:07,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2025-03-04 15:35:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2025-03-04 15:35:07,695 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2025-03-04 15:35:07,695 INFO L432 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2025-03-04 15:35:07,695 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 15:35:07,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2025-03-04 15:35:07,696 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2025-03-04 15:35:07,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:07,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:07,696 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-04 15:35:07,696 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-04 15:35:07,697 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" [2025-03-04 15:35:07,697 INFO L754 eck$LassoCheckResult]: Loop: "assume f_~z~0#1 < f_~k~0#1;f_~z~0#1 := 2 * f_~z~0#1;" [2025-03-04 15:35:07,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:07,699 INFO L85 PathProgramCache]: Analyzing trace with hash 57212587, now seen corresponding path program 1 times [2025-03-04 15:35:07,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:07,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882955259] [2025-03-04 15:35:07,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:07,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:07,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:35:07,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:35:07,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:07,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:07,706 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:07,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:35:07,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:35:07,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:07,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:07,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:07,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:07,709 INFO L85 PathProgramCache]: Analyzing trace with hash 39, now seen corresponding path program 1 times [2025-03-04 15:35:07,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:07,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997219106] [2025-03-04 15:35:07,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:07,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:35:07,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:35:07,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:07,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:07,711 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:07,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:35:07,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:35:07,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:07,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:07,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:07,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:07,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1773590205, now seen corresponding path program 1 times [2025-03-04 15:35:07,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:07,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488569898] [2025-03-04 15:35:07,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:07,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:07,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:35:07,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:35:07,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:07,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:07,718 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:07,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 15:35:07,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 15:35:07,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:07,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:07,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:07,755 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:07,756 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:07,756 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:07,756 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:07,756 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:07,756 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,756 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:07,756 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:07,756 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration2_Lasso [2025-03-04 15:35:07,756 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:07,756 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:07,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:07,833 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:07,833 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:07,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,836 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-03-04 15:35:07,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:07,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:07,849 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:07,849 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:07,855 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 15:35:07,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,858 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-03-04 15:35:07,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:07,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:07,871 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:07,872 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:07,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:07,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,880 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-03-04 15:35:07,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:07,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:07,895 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:07,895 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=0} Honda state: {ULTIMATE.start_f_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:07,902 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 15:35:07,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,904 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-03-04 15:35:07,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:07,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:07,917 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:07,917 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:07,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:07,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,925 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-03-04 15:35:07,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:07,928 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:07,938 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:07,938 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0} Honda state: {ULTIMATE.start_f_~d#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:07,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:07,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,946 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-03-04 15:35:07,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:07,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:07,958 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:07,958 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:07,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-03-04 15:35:07,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,965 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-03-04 15:35:07,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:07,968 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:07,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:07,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:07,992 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:07,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-03-04 15:35:07,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:07,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:09,357 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:09,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-03-04 15:35:09,388 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:09,389 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:09,389 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:09,389 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:09,389 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:09,389 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,389 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:09,389 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:09,389 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration2_Lasso [2025-03-04 15:35:09,389 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:09,389 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:09,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,465 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:09,465 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:09,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,468 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-03-04 15:35:09,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:09,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:09,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:09,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:09,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:09,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:09,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:09,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:09,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:09,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-03-04 15:35:09,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,490 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-03-04 15:35:09,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:09,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:09,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:09,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:09,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:09,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:09,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:09,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:09,503 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:09,508 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 15:35:09,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,511 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-03-04 15:35:09,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:09,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:09,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:09,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:09,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:09,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:09,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:09,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:09,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:09,530 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 15:35:09,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,532 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 15:35:09,533 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 15:35:09,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:09,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:09,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:09,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:09,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:09,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:09,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:09,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:09,545 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:09,550 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 15:35:09,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,552 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-03-04 15:35:09,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:09,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:09,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:09,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:09,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:09,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:09,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:09,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:09,569 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:09,582 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 15:35:09,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,585 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-03-04 15:35:09,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:09,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:09,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:09,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:09,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:09,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:09,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:09,603 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:09,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-03-04 15:35:09,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,612 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-03-04 15:35:09,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:09,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:09,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:09,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:09,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:09,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:09,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:09,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:09,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:09,633 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 15:35:09,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,636 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-03-04 15:35:09,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:09,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:09,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:09,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:09,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:09,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:09,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:09,659 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:09,664 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:35:09,664 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-04 15:35:09,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,666 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-03-04 15:35:09,669 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:09,679 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:09,680 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:09,680 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2025-03-04 15:35:09,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:09,692 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:09,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:09,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 15:35:09,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 15:35:09,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:09,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:09,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 15:35:09,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:09,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-04 15:35:09,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-04 15:35:09,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:09,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:09,750 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:09,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:09,751 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2025-03-04 15:35:09,751 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:09,775 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 30 transitions. Complement of second has 4 states. [2025-03-04 15:35:09,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2025-03-04 15:35:09,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 5 letters. Loop has 1 letters. [2025-03-04 15:35:09,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:09,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 6 letters. Loop has 1 letters. [2025-03-04 15:35:09,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:09,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 5 letters. Loop has 2 letters. [2025-03-04 15:35:09,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:09,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2025-03-04 15:35:09,777 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2025-03-04 15:35:09,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 30 transitions. [2025-03-04 15:35:09,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2025-03-04 15:35:09,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2025-03-04 15:35:09,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2025-03-04 15:35:09,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 15:35:09,777 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2025-03-04 15:35:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2025-03-04 15:35:09,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2025-03-04 15:35:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2025-03-04 15:35:09,778 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2025-03-04 15:35:09,778 INFO L432 stractBuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2025-03-04 15:35:09,779 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 15:35:09,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2025-03-04 15:35:09,779 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-04 15:35:09,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:09,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:09,779 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:35:09,779 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:35:09,779 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" "assume !(f_~z~0#1 < f_~k~0#1);" "assume true;" [2025-03-04 15:35:09,779 INFO L754 eck$LassoCheckResult]: Loop: "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:09,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:09,780 INFO L85 PathProgramCache]: Analyzing trace with hash -839918185, now seen corresponding path program 1 times [2025-03-04 15:35:09,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:09,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608312103] [2025-03-04 15:35:09,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:09,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:09,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:35:09,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:35:09,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:09,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:09,783 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:09,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:35:09,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:35:09,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:09,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:09,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:09,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:09,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1568, now seen corresponding path program 1 times [2025-03-04 15:35:09,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:09,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136195532] [2025-03-04 15:35:09,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:09,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:09,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:09,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:09,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:09,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:09,788 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:09,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:09,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:09,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:09,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:09,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:09,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash 292476470, now seen corresponding path program 1 times [2025-03-04 15:35:09,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:09,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099318185] [2025-03-04 15:35:09,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:09,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:09,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:09,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:09,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:09,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:09,797 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:09,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:09,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:09,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:09,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:09,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:09,837 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:09,837 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:09,837 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:09,837 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:09,837 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:09,837 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,837 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:09,837 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:09,837 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration3_Lasso [2025-03-04 15:35:09,837 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:09,837 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:09,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:09,916 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:09,916 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:09,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,918 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-03-04 15:35:09,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:09,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:09,931 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:09,931 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:09,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:09,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,938 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-03-04 15:35:09,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:09,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:09,950 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:09,950 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:09,955 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 15:35:09,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,957 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-03-04 15:35:09,959 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:09,959 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:09,969 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:09,969 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:09,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2025-03-04 15:35:09,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,976 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:09,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-03-04 15:35:09,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:09,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:09,991 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:09,991 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:09,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-03-04 15:35:09,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:09,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:09,998 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-03-04 15:35:10,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,014 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,014 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-03-04 15:35:10,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,024 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-03-04 15:35:10,026 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,026 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,044 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,044 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-03-04 15:35:10,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,054 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-03-04 15:35:10,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,057 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,068 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,068 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:10,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,077 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-03-04 15:35:10,080 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,080 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,091 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,091 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:10,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,098 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-03-04 15:35:10,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,110 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,110 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:10,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,118 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-03-04 15:35:10,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,119 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,130 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,130 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2025-03-04 15:35:10,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,137 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-03-04 15:35:10,138 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,138 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-03-04 15:35:10,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,156 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-03-04 15:35:10,158 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:10,158 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,228 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:10,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-03-04 15:35:10,233 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:10,233 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:10,233 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:10,233 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:10,233 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:10,233 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,233 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:10,233 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:10,233 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration3_Lasso [2025-03-04 15:35:10,233 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:10,233 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:10,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,306 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:10,306 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:10,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,308 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-03-04 15:35:10,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:10,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:10,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:10,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:10,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:10,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:10,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:10,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:10,345 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:35:10,345 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-03-04 15:35:10,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,349 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,350 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 15:35:10,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-03-04 15:35:10,352 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:10,363 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:10,363 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:10,363 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2025-03-04 15:35:10,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-03-04 15:35:10,373 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:10,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:10,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:35:10,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:35:10,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:10,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:10,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:10,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:10,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:10,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:10,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:10,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:10,424 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:10,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:10,442 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:10,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:10,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 34 transitions. Complement of second has 6 states. [2025-03-04 15:35:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2025-03-04 15:35:10,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2025-03-04 15:35:10,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:10,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 2 letters. [2025-03-04 15:35:10,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:10,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 4 letters. [2025-03-04 15:35:10,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:10,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 34 transitions. [2025-03-04 15:35:10,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-04 15:35:10,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 33 transitions. [2025-03-04 15:35:10,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2025-03-04 15:35:10,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2025-03-04 15:35:10,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2025-03-04 15:35:10,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:35:10,474 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2025-03-04 15:35:10,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2025-03-04 15:35:10,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2025-03-04 15:35:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2025-03-04 15:35:10,475 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2025-03-04 15:35:10,475 INFO L432 stractBuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2025-03-04 15:35:10,475 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-04 15:35:10,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2025-03-04 15:35:10,476 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-04 15:35:10,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:10,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:10,477 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:35:10,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:35:10,477 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" "assume !(f_~z~0#1 < f_~k~0#1);" "assume true;" [2025-03-04 15:35:10,477 INFO L754 eck$LassoCheckResult]: Loop: "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:10,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:10,478 INFO L85 PathProgramCache]: Analyzing trace with hash -853278455, now seen corresponding path program 1 times [2025-03-04 15:35:10,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:10,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734598518] [2025-03-04 15:35:10,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:10,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:10,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:35:10,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:35:10,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:10,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:10,481 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:10,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:35:10,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:35:10,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:10,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:10,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:10,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:10,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1120, now seen corresponding path program 1 times [2025-03-04 15:35:10,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:10,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844518942] [2025-03-04 15:35:10,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:10,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:10,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:10,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:10,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:10,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:10,487 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:10,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:10,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:10,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:10,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:10,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:10,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:10,489 INFO L85 PathProgramCache]: Analyzing trace with hash 338158440, now seen corresponding path program 1 times [2025-03-04 15:35:10,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:10,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357266705] [2025-03-04 15:35:10,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:10,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:10,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:10,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:10,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:10,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:10,493 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:10,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:10,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:10,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:10,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:10,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:10,529 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:10,530 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:10,530 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:10,530 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:10,530 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:10,530 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,530 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:10,530 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:10,530 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration4_Lasso [2025-03-04 15:35:10,530 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:10,530 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:10,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,578 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:10,578 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:10,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,580 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-03-04 15:35:10,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,592 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,592 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-03-04 15:35:10,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,599 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-03-04 15:35:10,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,610 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,610 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:10,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,617 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-03-04 15:35:10,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,629 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,629 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-03-04 15:35:10,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,635 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-03-04 15:35:10,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,647 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,647 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2025-03-04 15:35:10,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,653 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-03-04 15:35:10,655 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,655 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,665 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,665 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2025-03-04 15:35:10,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,672 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-03-04 15:35:10,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,684 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,684 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2025-03-04 15:35:10,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,695 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-03-04 15:35:10,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,708 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,708 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2025-03-04 15:35:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,716 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2025-03-04 15:35:10,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,729 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,729 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2025-03-04 15:35:10,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,736 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2025-03-04 15:35:10,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,749 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:10,749 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:10,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2025-03-04 15:35:10,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,757 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2025-03-04 15:35:10,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:10,758 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:10,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,776 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2025-03-04 15:35:10,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:10,778 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:10,849 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:10,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2025-03-04 15:35:10,855 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:10,855 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:10,855 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:10,855 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:10,855 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:10,855 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,855 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:10,855 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:10,855 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration4_Lasso [2025-03-04 15:35:10,855 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:10,855 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:10,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:10,915 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:10,915 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:10,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,917 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2025-03-04 15:35:10,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:10,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:10,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:10,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:10,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:10,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:10,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:10,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:10,932 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:10,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2025-03-04 15:35:10,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,938 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2025-03-04 15:35:10,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:10,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:10,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:10,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:10,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:10,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:10,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:10,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:10,950 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:10,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2025-03-04 15:35:10,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,957 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2025-03-04 15:35:10,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:10,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:10,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:10,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:10,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:10,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:10,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:10,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:10,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:10,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2025-03-04 15:35:10,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,978 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2025-03-04 15:35:10,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:10,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:10,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:10,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:10,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:10,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:10,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:10,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:10,990 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:10,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2025-03-04 15:35:10,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:10,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:10,997 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:10,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2025-03-04 15:35:10,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:11,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:11,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:11,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:11,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:11,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:11,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:11,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:11,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2025-03-04 15:35:11,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,021 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2025-03-04 15:35:11,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:11,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:11,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:11,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:11,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:11,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:11,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:11,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:11,034 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:11,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:11,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,041 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2025-03-04 15:35:11,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:11,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:11,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:11,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:11,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:11,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:11,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:11,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:11,052 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:11,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2025-03-04 15:35:11,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,059 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2025-03-04 15:35:11,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:11,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:11,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:11,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:11,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:11,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:11,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:11,078 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:11,085 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:35:11,085 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-03-04 15:35:11,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,087 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2025-03-04 15:35:11,089 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:11,100 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:11,100 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:11,100 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2025-03-04 15:35:11,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2025-03-04 15:35:11,107 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:11,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:11,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 15:35:11,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 15:35:11,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:11,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:11,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:11,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:11,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:11,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:11,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:11,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:11,159 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:11,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:11,173 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:11,173 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 32 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:11,201 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 32 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 40 transitions. Complement of second has 6 states. [2025-03-04 15:35:11,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:11,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:11,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2025-03-04 15:35:11,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2025-03-04 15:35:11,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:11,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 2 letters. [2025-03-04 15:35:11,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:11,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 4 letters. [2025-03-04 15:35:11,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:11,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 40 transitions. [2025-03-04 15:35:11,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-04 15:35:11,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 39 transitions. [2025-03-04 15:35:11,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2025-03-04 15:35:11,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2025-03-04 15:35:11,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 39 transitions. [2025-03-04 15:35:11,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:35:11,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 39 transitions. [2025-03-04 15:35:11,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 39 transitions. [2025-03-04 15:35:11,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2025-03-04 15:35:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:11,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 38 transitions. [2025-03-04 15:35:11,205 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 38 transitions. [2025-03-04 15:35:11,205 INFO L432 stractBuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2025-03-04 15:35:11,205 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-03-04 15:35:11,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 38 transitions. [2025-03-04 15:35:11,206 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-03-04 15:35:11,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:11,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:11,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:35:11,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-04 15:35:11,206 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" "assume !(f_~z~0#1 < f_~k~0#1);" "assume true;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1;" [2025-03-04 15:35:11,206 INFO L754 eck$LassoCheckResult]: Loop: "f_~x~0#1 := f_~x~0#1 - f_~d#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1;" [2025-03-04 15:35:11,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:11,206 INFO L85 PathProgramCache]: Analyzing trace with hash 292476469, now seen corresponding path program 1 times [2025-03-04 15:35:11,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:11,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371021731] [2025-03-04 15:35:11,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:11,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:11,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:11,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:11,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:11,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:11,213 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:11,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:11,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:11,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:11,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:11,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:11,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:11,221 INFO L85 PathProgramCache]: Analyzing trace with hash 45773, now seen corresponding path program 1 times [2025-03-04 15:35:11,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:11,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63382561] [2025-03-04 15:35:11,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:11,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:11,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:35:11,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:35:11,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:11,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:11,229 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:11,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:35:11,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:35:11,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:11,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:11,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:11,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:11,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1322139623, now seen corresponding path program 1 times [2025-03-04 15:35:11,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:11,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174058690] [2025-03-04 15:35:11,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:11,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:11,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:11,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:11,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:11,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:11,235 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:11,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:11,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:11,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:11,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:11,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:11,259 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:11,259 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:11,259 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:11,260 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:11,260 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:11,260 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,260 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:11,260 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:11,260 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Loop [2025-03-04 15:35:11,260 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:11,260 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:11,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,290 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:11,290 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:11,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,292 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2025-03-04 15:35:11,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,304 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,304 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2025-03-04 15:35:11,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,311 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2025-03-04 15:35:11,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,323 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,323 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2025-03-04 15:35:11,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,330 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2025-03-04 15:35:11,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,331 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:11,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,349 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2025-03-04 15:35:11,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:11,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,373 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,373 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=-8}, {ULTIMATE.start_f_~z~0#1=7}] Lambdas: [1, 1, 1] Nus: [0, 0] [2025-03-04 15:35:11,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2025-03-04 15:35:11,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,380 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2025-03-04 15:35:11,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,382 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,398 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,398 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=1} Honda state: {ULTIMATE.start_f_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:11,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,406 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2025-03-04 15:35:11,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,424 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,424 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2025-03-04 15:35:11,461 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:11,461 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:11,461 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:11,461 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:11,461 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:11,461 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,461 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:11,461 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:11,461 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Lasso [2025-03-04 15:35:11,461 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:11,461 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:11,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,530 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:11,530 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:11,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,532 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2025-03-04 15:35:11,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,544 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,544 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:11,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,552 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2025-03-04 15:35:11,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,564 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,564 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2025-03-04 15:35:11,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,571 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2025-03-04 15:35:11,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,583 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,583 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2025-03-04 15:35:11,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,590 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2025-03-04 15:35:11,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,602 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,602 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2025-03-04 15:35:11,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,619 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2025-03-04 15:35:11,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,621 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,631 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,631 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2025-03-04 15:35:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,638 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2025-03-04 15:35:11,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,639 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,656 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,656 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=0} Honda state: {ULTIMATE.start_f_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2025-03-04 15:35:11,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,663 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2025-03-04 15:35:11,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2025-03-04 15:35:11,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,682 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2025-03-04 15:35:11,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:11,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,707 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,707 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=-8}, {ULTIMATE.start_f_~z~0#1=7}] Lambdas: [1, 1, 1] Nus: [0, 0] [2025-03-04 15:35:11,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2025-03-04 15:35:11,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,715 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2025-03-04 15:35:11,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,727 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,727 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2025-03-04 15:35:11,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,734 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2025-03-04 15:35:11,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,747 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:11,747 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:11,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2025-03-04 15:35:11,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,755 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2025-03-04 15:35:11,757 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:11,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:11,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,774 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2025-03-04 15:35:11,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:11,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:11,870 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:11,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2025-03-04 15:35:11,875 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:11,875 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:11,875 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:11,875 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:11,875 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:11,875 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,875 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:11,885 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:11,886 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Lasso [2025-03-04 15:35:11,886 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:11,886 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:11,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:11,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2025-03-04 15:35:11,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:11,959 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:11,960 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:11,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,961 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2025-03-04 15:35:11,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:11,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:11,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:11,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:11,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:11,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:11,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:11,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:11,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:11,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2025-03-04 15:35:11,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:11,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:11,981 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:11,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2025-03-04 15:35:11,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:11,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:11,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:11,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:11,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:11,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:11,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:11,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:11,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:11,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2025-03-04 15:35:11,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,001 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2025-03-04 15:35:12,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,015 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2025-03-04 15:35:12,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,022 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2025-03-04 15:35:12,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,034 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,041 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2025-03-04 15:35:12,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2025-03-04 15:35:12,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,061 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2025-03-04 15:35:12,063 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 15:35:12,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,074 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2025-03-04 15:35:12,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,081 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2025-03-04 15:35:12,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:12,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:12,096 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2025-03-04 15:35:12,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,104 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2025-03-04 15:35:12,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2025-03-04 15:35:12,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,123 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2025-03-04 15:35:12,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:12,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:12,140 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:12,145 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:35:12,145 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-04 15:35:12,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,147 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2025-03-04 15:35:12,149 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:12,159 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2025-03-04 15:35:12,159 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:12,159 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0#1) = 1*ULTIMATE.start_f_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0, 1*ULTIMATE.start_f_~x~0#1 >= 0] [2025-03-04 15:35:12,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,167 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2025-03-04 15:35:12,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:12,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:12,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:12,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:12,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:12,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:12,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:12,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:35:12,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:35:12,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:12,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:12,238 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:12,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:12,262 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2025-03-04 15:35:12,262 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 38 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:12,300 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 38 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) Result 37 states and 51 transitions. Complement of second has 7 states. [2025-03-04 15:35:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:12,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2025-03-04 15:35:12,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 9 letters. Loop has 3 letters. [2025-03-04 15:35:12,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:12,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 12 letters. Loop has 3 letters. [2025-03-04 15:35:12,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:12,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 9 letters. Loop has 6 letters. [2025-03-04 15:35:12,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:12,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 51 transitions. [2025-03-04 15:35:12,303 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2025-03-04 15:35:12,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 46 transitions. [2025-03-04 15:35:12,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2025-03-04 15:35:12,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2025-03-04 15:35:12,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 46 transitions. [2025-03-04 15:35:12,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:35:12,303 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 46 transitions. [2025-03-04 15:35:12,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 46 transitions. [2025-03-04 15:35:12,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2025-03-04 15:35:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.40625) internal successors, (45), 31 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2025-03-04 15:35:12,307 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 45 transitions. [2025-03-04 15:35:12,307 INFO L432 stractBuchiCegarLoop]: Abstraction has 32 states and 45 transitions. [2025-03-04 15:35:12,307 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-03-04 15:35:12,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 45 transitions. [2025-03-04 15:35:12,308 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2025-03-04 15:35:12,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:12,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:12,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:35:12,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-04 15:35:12,308 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" "assume !(f_~z~0#1 < f_~k~0#1);" "assume true;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1;" [2025-03-04 15:35:12,308 INFO L754 eck$LassoCheckResult]: Loop: "f_~x~0#1 := f_~x~0#1 - f_~d#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1;" [2025-03-04 15:35:12,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:12,308 INFO L85 PathProgramCache]: Analyzing trace with hash 338158439, now seen corresponding path program 1 times [2025-03-04 15:35:12,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:12,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407365057] [2025-03-04 15:35:12,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:12,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:12,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:12,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:12,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:12,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:12,316 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:12,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:12,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:12,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:12,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:12,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:12,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:12,319 INFO L85 PathProgramCache]: Analyzing trace with hash 31871, now seen corresponding path program 1 times [2025-03-04 15:35:12,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:12,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880988434] [2025-03-04 15:35:12,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:12,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:12,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:35:12,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:35:12,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:12,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:12,321 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:12,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:35:12,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:35:12,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:12,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:12,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:12,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:12,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1915218087, now seen corresponding path program 1 times [2025-03-04 15:35:12,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:12,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326331612] [2025-03-04 15:35:12,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:12,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:12,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:12,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:12,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:12,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:12,331 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:12,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:12,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:12,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:12,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:12,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:12,359 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:12,359 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:12,360 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:12,360 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:12,360 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:12,360 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,360 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:12,360 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:12,360 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Loop [2025-03-04 15:35:12,360 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:12,360 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:12,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,391 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:12,391 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:12,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,393 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2025-03-04 15:35:12,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:12,396 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,407 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:12,407 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:12,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2025-03-04 15:35:12,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,415 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2025-03-04 15:35:12,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:12,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,435 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:12,435 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=1} Honda state: {ULTIMATE.start_f_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:12,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,443 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2025-03-04 15:35:12,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:12,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,456 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:12,456 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:12,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2025-03-04 15:35:12,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,463 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2025-03-04 15:35:12,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:12,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,482 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:12,482 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:12,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2025-03-04 15:35:12,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,490 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2025-03-04 15:35:12,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:12,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2025-03-04 15:35:12,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,509 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2025-03-04 15:35:12,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:12,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,533 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:12,533 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=-8}, {ULTIMATE.start_f_~z~0#1=7}] Lambdas: [1, 1, 1] Nus: [0, 0] [2025-03-04 15:35:12,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2025-03-04 15:35:12,571 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:12,572 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:12,572 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:12,572 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:12,572 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:12,572 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,572 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:12,572 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:12,572 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Lasso [2025-03-04 15:35:12,572 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:12,572 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:12,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,649 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:12,650 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:12,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,651 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2025-03-04 15:35:12,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:12,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,664 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:12,665 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:12,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,673 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2025-03-04 15:35:12,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:12,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2025-03-04 15:35:12,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,692 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2025-03-04 15:35:12,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:12,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:12,787 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:12,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,792 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:12,792 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:12,792 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:12,792 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:12,792 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:12,792 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,792 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:12,792 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:12,792 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Lasso [2025-03-04 15:35:12,793 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:12,793 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:12,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:12,863 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:12,863 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:12,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,866 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2025-03-04 15:35:12,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:12,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:12,884 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,893 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2025-03-04 15:35:12,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,907 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,915 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2025-03-04 15:35:12,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,931 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,940 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2025-03-04 15:35:12,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:12,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,962 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2025-03-04 15:35:12,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,975 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:12,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2025-03-04 15:35:12,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:12,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:12,983 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:12,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2025-03-04 15:35:12,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:12,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:12,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:12,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:12,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:12,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:12,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:12,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:12,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2025-03-04 15:35:13,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,002 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2025-03-04 15:35:13,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:13,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:13,017 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2025-03-04 15:35:13,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,025 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2025-03-04 15:35:13,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:13,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:13,041 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:13,047 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-03-04 15:35:13,047 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-03-04 15:35:13,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,049 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2025-03-04 15:35:13,050 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:13,061 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:13,061 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:13,061 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~d#1, ULTIMATE.start_f_~x~0#1) = -1*ULTIMATE.start_f_~d#1 + 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2025-03-04 15:35:13,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:13,069 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:13,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:13,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 15:35:13,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 15:35:13,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:13,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:13,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:13,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:13,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 15:35:13,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 15:35:13,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:13,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:13,138 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:13,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:13,165 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2025-03-04 15:35:13,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 45 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:13,198 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 45 transitions. cyclomatic complexity: 20. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) Result 42 states and 58 transitions. Complement of second has 7 states. [2025-03-04 15:35:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2025-03-04 15:35:13,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 9 letters. Loop has 3 letters. [2025-03-04 15:35:13,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:13,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 12 letters. Loop has 3 letters. [2025-03-04 15:35:13,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:13,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 9 letters. Loop has 6 letters. [2025-03-04 15:35:13,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:13,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 58 transitions. [2025-03-04 15:35:13,201 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-04 15:35:13,201 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 38 states and 53 transitions. [2025-03-04 15:35:13,201 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2025-03-04 15:35:13,201 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2025-03-04 15:35:13,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 53 transitions. [2025-03-04 15:35:13,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:35:13,201 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 53 transitions. [2025-03-04 15:35:13,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 53 transitions. [2025-03-04 15:35:13,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2025-03-04 15:35:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 36 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2025-03-04 15:35:13,204 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 52 transitions. [2025-03-04 15:35:13,204 INFO L432 stractBuchiCegarLoop]: Abstraction has 37 states and 52 transitions. [2025-03-04 15:35:13,204 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-03-04 15:35:13,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 52 transitions. [2025-03-04 15:35:13,205 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-04 15:35:13,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:13,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:13,205 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:35:13,205 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:35:13,205 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" "assume !(f_~z~0#1 < f_~k~0#1);" "assume true;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1;" "f_~x~0#1 := f_~x~0#1 - f_~d#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:13,205 INFO L754 eck$LassoCheckResult]: Loop: "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:13,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:13,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1322139622, now seen corresponding path program 1 times [2025-03-04 15:35:13,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:13,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900472868] [2025-03-04 15:35:13,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:13,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:13,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:13,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:13,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:13,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:13,217 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:13,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:13,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:13,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:13,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:13,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:13,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1568, now seen corresponding path program 2 times [2025-03-04 15:35:13,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285871292] [2025-03-04 15:35:13,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:35:13,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:13,227 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:13,229 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:13,229 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:35:13,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:13,229 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:13,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:13,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:13,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:13,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:13,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:13,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:13,231 INFO L85 PathProgramCache]: Analyzing trace with hash 734143481, now seen corresponding path program 2 times [2025-03-04 15:35:13,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:13,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567202927] [2025-03-04 15:35:13,231 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:35:13,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:13,234 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-03-04 15:35:13,239 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:13,239 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 15:35:13,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:13,239 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:13,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:13,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:13,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:13,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:13,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:13,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:13,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2025-03-04 15:35:13,316 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:13,316 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:13,316 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:13,316 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:13,316 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:13,316 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,316 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:13,316 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:13,316 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration7_Lasso [2025-03-04 15:35:13,316 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:13,316 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:13,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,367 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:13,367 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:13,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,369 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2025-03-04 15:35:13,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,380 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,381 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2025-03-04 15:35:13,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,388 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2025-03-04 15:35:13,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,399 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,400 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2025-03-04 15:35:13,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,407 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2025-03-04 15:35:13,409 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,419 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,419 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2025-03-04 15:35:13,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,426 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2025-03-04 15:35:13,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,438 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,438 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2025-03-04 15:35:13,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,445 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2025-03-04 15:35:13,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,463 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,463 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0#1=0} Honda state: {ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2025-03-04 15:35:13,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,470 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2025-03-04 15:35:13,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,482 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,482 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2025-03-04 15:35:13,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,490 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2025-03-04 15:35:13,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,502 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,502 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2025-03-04 15:35:13,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,510 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2025-03-04 15:35:13,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,522 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,522 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2025-03-04 15:35:13,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,531 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2025-03-04 15:35:13,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,545 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,545 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2025-03-04 15:35:13,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,552 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2025-03-04 15:35:13,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,566 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:13,566 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:13,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2025-03-04 15:35:13,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,573 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2025-03-04 15:35:13,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:13,575 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2025-03-04 15:35:13,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,599 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2025-03-04 15:35:13,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:13,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:13,656 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:13,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2025-03-04 15:35:13,660 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:13,660 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:13,660 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:13,660 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:13,660 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:13,660 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,660 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:13,660 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:13,660 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration7_Lasso [2025-03-04 15:35:13,660 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:13,660 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:13,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:13,712 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:13,712 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:13,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,715 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2025-03-04 15:35:13,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:13,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:13,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:13,731 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2025-03-04 15:35:13,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,739 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2025-03-04 15:35:13,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:13,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:13,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:13,751 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2025-03-04 15:35:13,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,758 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2025-03-04 15:35:13,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:13,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:13,773 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2025-03-04 15:35:13,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,784 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2025-03-04 15:35:13,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:13,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:13,800 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:13,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,808 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2025-03-04 15:35:13,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:13,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:13,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:13,827 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2025-03-04 15:35:13,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,835 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2025-03-04 15:35:13,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:13,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:13,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:13,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:13,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,857 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2025-03-04 15:35:13,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:13,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:13,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:13,870 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:13,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,877 INFO L229 MonitoredProcess]: Starting monitored process 139 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2025-03-04 15:35:13,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:13,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:13,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:13,890 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:13,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:13,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,897 INFO L229 MonitoredProcess]: Starting monitored process 140 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2025-03-04 15:35:13,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:13,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:13,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:13,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:13,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:13,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:13,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:13,913 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:13,920 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2025-03-04 15:35:13,920 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-03-04 15:35:13,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:13,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:13,922 INFO L229 MonitoredProcess]: Starting monitored process 141 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:13,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2025-03-04 15:35:13,923 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:13,933 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:13,934 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:13,934 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2025-03-04 15:35:13,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2025-03-04 15:35:13,941 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:13,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:13,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:13,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:13,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:13,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:13,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:13,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:14,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:14,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:14,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:14,021 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:14,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:14,036 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:14,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 52 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:14,067 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 52 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Result 55 states and 74 transitions. Complement of second has 6 states. [2025-03-04 15:35:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:14,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2025-03-04 15:35:14,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 12 letters. Loop has 2 letters. [2025-03-04 15:35:14,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:14,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-04 15:35:14,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:14,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 12 letters. Loop has 4 letters. [2025-03-04 15:35:14,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:14,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2025-03-04 15:35:14,069 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-04 15:35:14,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 47 states and 64 transitions. [2025-03-04 15:35:14,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2025-03-04 15:35:14,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2025-03-04 15:35:14,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 64 transitions. [2025-03-04 15:35:14,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:35:14,070 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 64 transitions. [2025-03-04 15:35:14,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 64 transitions. [2025-03-04 15:35:14,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2025-03-04 15:35:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 44 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2025-03-04 15:35:14,071 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 62 transitions. [2025-03-04 15:35:14,071 INFO L432 stractBuchiCegarLoop]: Abstraction has 45 states and 62 transitions. [2025-03-04 15:35:14,071 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-03-04 15:35:14,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 62 transitions. [2025-03-04 15:35:14,072 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-04 15:35:14,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:14,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:14,072 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:35:14,072 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:35:14,072 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" "assume !(f_~z~0#1 < f_~k~0#1);" "assume true;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1;" "f_~x~0#1 := f_~x~0#1 - f_~d#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:14,072 INFO L754 eck$LassoCheckResult]: Loop: "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:14,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:14,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1915218086, now seen corresponding path program 1 times [2025-03-04 15:35:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:14,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069315239] [2025-03-04 15:35:14,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:35:14,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:14,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:14,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:14,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,076 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:14,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:14,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:14,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:14,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1120, now seen corresponding path program 2 times [2025-03-04 15:35:14,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:14,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688216620] [2025-03-04 15:35:14,080 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:35:14,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:14,081 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:14,082 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:14,082 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:35:14,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,082 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:14,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:14,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:14,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:14,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:14,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2016389497, now seen corresponding path program 2 times [2025-03-04 15:35:14,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:14,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629825738] [2025-03-04 15:35:14,084 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:35:14,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:14,086 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-03-04 15:35:14,089 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:14,089 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 15:35:14,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,089 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:14,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:14,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:14,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:14,154 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:14,154 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:14,154 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:14,154 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:14,154 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:14,154 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,154 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:14,154 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:14,154 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration8_Lasso [2025-03-04 15:35:14,154 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:14,154 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:14,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,217 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:14,217 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:14,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,219 INFO L229 MonitoredProcess]: Starting monitored process 142 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2025-03-04 15:35:14,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:14,222 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:14,233 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:14,233 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:14,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2025-03-04 15:35:14,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,247 INFO L229 MonitoredProcess]: Starting monitored process 143 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2025-03-04 15:35:14,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:14,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:14,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:14,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,277 INFO L229 MonitoredProcess]: Starting monitored process 144 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2025-03-04 15:35:14,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:14,279 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:14,350 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:14,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2025-03-04 15:35:14,354 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:14,354 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:14,354 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:14,354 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:14,354 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:14,354 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,354 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:14,354 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:14,354 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration8_Lasso [2025-03-04 15:35:14,354 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:14,354 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:14,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,403 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:14,403 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:14,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,405 INFO L229 MonitoredProcess]: Starting monitored process 145 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2025-03-04 15:35:14,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:14,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:14,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:14,417 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:14,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2025-03-04 15:35:14,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,424 INFO L229 MonitoredProcess]: Starting monitored process 146 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2025-03-04 15:35:14,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:14,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:14,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:14,436 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:14,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:14,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,443 INFO L229 MonitoredProcess]: Starting monitored process 147 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2025-03-04 15:35:14,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:14,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:14,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:14,456 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:14,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2025-03-04 15:35:14,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,463 INFO L229 MonitoredProcess]: Starting monitored process 148 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2025-03-04 15:35:14,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:14,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:14,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:14,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:14,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2025-03-04 15:35:14,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,482 INFO L229 MonitoredProcess]: Starting monitored process 149 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2025-03-04 15:35:14,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:14,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:14,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:14,494 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:14,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2025-03-04 15:35:14,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,500 INFO L229 MonitoredProcess]: Starting monitored process 150 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2025-03-04 15:35:14,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:14,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:14,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:14,512 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:14,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:14,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,519 INFO L229 MonitoredProcess]: Starting monitored process 151 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2025-03-04 15:35:14,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:14,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:14,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:14,531 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:14,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2025-03-04 15:35:14,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,538 INFO L229 MonitoredProcess]: Starting monitored process 152 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2025-03-04 15:35:14,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:14,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:14,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:14,551 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:14,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:14,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,558 INFO L229 MonitoredProcess]: Starting monitored process 153 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2025-03-04 15:35:14,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:14,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:14,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:14,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:14,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:14,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:14,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:14,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:14,582 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-03-04 15:35:14,582 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-03-04 15:35:14,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,584 INFO L229 MonitoredProcess]: Starting monitored process 154 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2025-03-04 15:35:14,586 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:14,599 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:14,599 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:14,599 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2025-03-04 15:35:14,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:14,606 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:14,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:14,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:35:14,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:35:14,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:14,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:14,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:14,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:14,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:14,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:14,682 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:14,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:14,698 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:14,698 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 62 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:14,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2025-03-04 15:35:14,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2025-03-04 15:35:14,744 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 62 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Result 63 states and 84 transitions. Complement of second has 6 states. [2025-03-04 15:35:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2025-03-04 15:35:14,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 12 letters. Loop has 2 letters. [2025-03-04 15:35:14,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:14,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-04 15:35:14,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:14,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 12 letters. Loop has 4 letters. [2025-03-04 15:35:14,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:14,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 84 transitions. [2025-03-04 15:35:14,751 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-04 15:35:14,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 55 states and 74 transitions. [2025-03-04 15:35:14,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2025-03-04 15:35:14,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2025-03-04 15:35:14,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 74 transitions. [2025-03-04 15:35:14,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:35:14,751 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 74 transitions. [2025-03-04 15:35:14,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 74 transitions. [2025-03-04 15:35:14,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2025-03-04 15:35:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2025-03-04 15:35:14,753 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 72 transitions. [2025-03-04 15:35:14,753 INFO L432 stractBuchiCegarLoop]: Abstraction has 53 states and 72 transitions. [2025-03-04 15:35:14,753 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-03-04 15:35:14,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 72 transitions. [2025-03-04 15:35:14,753 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-03-04 15:35:14,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:14,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:14,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:35:14,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:35:14,754 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" "assume !(f_~z~0#1 < f_~k~0#1);" "assume true;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1;" "f_~x~0#1 := f_~x~0#1 - f_~d#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:14,754 INFO L754 eck$LassoCheckResult]: Loop: "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:14,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:14,754 INFO L85 PathProgramCache]: Analyzing trace with hash 765481691, now seen corresponding path program 3 times [2025-03-04 15:35:14,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:14,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262045312] [2025-03-04 15:35:14,754 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:35:14,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:14,757 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 3 equivalence classes. [2025-03-04 15:35:14,759 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:14,759 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-04 15:35:14,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,759 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:14,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:14,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:14,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:14,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:14,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1568, now seen corresponding path program 3 times [2025-03-04 15:35:14,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:14,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181466121] [2025-03-04 15:35:14,763 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:35:14,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:14,764 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:14,765 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:14,765 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:35:14,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,765 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:14,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:14,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:14,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:14,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:14,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1188498042, now seen corresponding path program 4 times [2025-03-04 15:35:14,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:14,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648940310] [2025-03-04 15:35:14,771 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:35:14,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:14,773 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 16 statements into 2 equivalence classes. [2025-03-04 15:35:14,776 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:35:14,776 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:35:14,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,776 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:14,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:35:14,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:35:14,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:14,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:14,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:14,852 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:14,852 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:14,852 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:14,852 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:14,852 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:14,852 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,852 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:14,852 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:14,852 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration9_Lasso [2025-03-04 15:35:14,852 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:14,852 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:14,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:14,908 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:14,908 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:14,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,910 INFO L229 MonitoredProcess]: Starting monitored process 155 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2025-03-04 15:35:14,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:14,913 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:14,923 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:14,923 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:14,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:14,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,930 INFO L229 MonitoredProcess]: Starting monitored process 156 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2025-03-04 15:35:14,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:14,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:14,942 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:14,942 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:14,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2025-03-04 15:35:14,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,948 INFO L229 MonitoredProcess]: Starting monitored process 157 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2025-03-04 15:35:14,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:14,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:14,960 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:14,960 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:14,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2025-03-04 15:35:14,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,967 INFO L229 MonitoredProcess]: Starting monitored process 158 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2025-03-04 15:35:14,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:14,968 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:14,984 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:14,985 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0#1=0} Honda state: {ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:14,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:14,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:14,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:14,991 INFO L229 MonitoredProcess]: Starting monitored process 159 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:14,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2025-03-04 15:35:14,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:14,993 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:15,003 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:15,003 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:15,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2025-03-04 15:35:15,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,010 INFO L229 MonitoredProcess]: Starting monitored process 160 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2025-03-04 15:35:15,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:15,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:15,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:15,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,036 INFO L229 MonitoredProcess]: Starting monitored process 161 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2025-03-04 15:35:15,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:15,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:15,090 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:15,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2025-03-04 15:35:15,094 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:15,094 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:15,094 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:15,094 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:15,094 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:15,094 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,094 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:15,095 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:15,095 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration9_Lasso [2025-03-04 15:35:15,095 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:15,095 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:15,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,140 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:15,140 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:15,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,142 INFO L229 MonitoredProcess]: Starting monitored process 162 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2025-03-04 15:35:15,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:15,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:15,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:15,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:15,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:15,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:15,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:15,159 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:15,163 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-03-04 15:35:15,163 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-03-04 15:35:15,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,165 INFO L229 MonitoredProcess]: Starting monitored process 163 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2025-03-04 15:35:15,166 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:15,176 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:15,177 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:15,177 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2025-03-04 15:35:15,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2025-03-04 15:35:15,185 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:15,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:15,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:15,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:15,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:15,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:15,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:15,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:15,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:15,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:15,271 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:15,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:15,281 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:15,281 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 72 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:15,309 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 72 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Result 61 states and 80 transitions. Complement of second has 6 states. [2025-03-04 15:35:15,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2025-03-04 15:35:15,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-04 15:35:15,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:15,310 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-04 15:35:15,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:15,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:15,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:15,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:15,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:15,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:15,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:15,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:15,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:15,393 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:15,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:15,403 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:15,403 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 72 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:15,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 72 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Result 61 states and 80 transitions. Complement of second has 6 states. [2025-03-04 15:35:15,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:15,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2025-03-04 15:35:15,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-04 15:35:15,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:15,431 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-04 15:35:15,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:15,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:15,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:15,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:15,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:15,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:15,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:15,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:15,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:15,513 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:15,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:15,523 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:15,523 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 72 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:15,544 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 72 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Result 64 states and 85 transitions. Complement of second has 5 states. [2025-03-04 15:35:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2025-03-04 15:35:15,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-04 15:35:15,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:15,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 16 letters. Loop has 2 letters. [2025-03-04 15:35:15,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:15,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 14 letters. Loop has 4 letters. [2025-03-04 15:35:15,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:15,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 85 transitions. [2025-03-04 15:35:15,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-04 15:35:15,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 28 states and 37 transitions. [2025-03-04 15:35:15,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2025-03-04 15:35:15,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2025-03-04 15:35:15,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 37 transitions. [2025-03-04 15:35:15,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-04 15:35:15,547 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2025-03-04 15:35:15,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 37 transitions. [2025-03-04 15:35:15,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-03-04 15:35:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 27 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2025-03-04 15:35:15,548 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2025-03-04 15:35:15,548 INFO L432 stractBuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2025-03-04 15:35:15,548 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-03-04 15:35:15,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 37 transitions. [2025-03-04 15:35:15,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-04 15:35:15,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 15:35:15,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 15:35:15,549 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:35:15,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-04 15:35:15,549 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;havoc f_#t~nondet0#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1;" "assume !(f_~k~0#1 > 1073741823);" "assume true;" "assume !(f_~z~0#1 < f_~k~0#1);" "assume true;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1;" "f_~x~0#1 := f_~x~0#1 - f_~d#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1;" "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:15,549 INFO L754 eck$LassoCheckResult]: Loop: "assume f_~x~0#1 > 0 && f_~y~0#1 > 0;havoc f_#t~nondet3#1;" "assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1;" [2025-03-04 15:35:15,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:15,549 INFO L85 PathProgramCache]: Analyzing trace with hash 2047727707, now seen corresponding path program 3 times [2025-03-04 15:35:15,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:15,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686307679] [2025-03-04 15:35:15,549 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:35:15,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:15,551 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 3 equivalence classes. [2025-03-04 15:35:15,553 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:15,553 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-04 15:35:15,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:15,553 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:15,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:15,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:15,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:15,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:15,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:15,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1120, now seen corresponding path program 3 times [2025-03-04 15:35:15,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:15,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844882865] [2025-03-04 15:35:15,557 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:35:15,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:15,558 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:15,559 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:15,559 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:35:15,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:15,559 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:15,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:15,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:15,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:15,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:15,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:15,561 INFO L85 PathProgramCache]: Analyzing trace with hash 771305018, now seen corresponding path program 4 times [2025-03-04 15:35:15,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:35:15,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759045842] [2025-03-04 15:35:15,561 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 15:35:15,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:35:15,563 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 16 statements into 2 equivalence classes. [2025-03-04 15:35:15,565 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:35:15,565 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 15:35:15,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:15,565 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 15:35:15,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:35:15,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:35:15,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:15,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 15:35:15,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 15:35:15,632 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:15,632 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:15,632 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:15,632 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:15,632 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-04 15:35:15,632 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,632 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:15,632 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:15,632 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration10_Lasso [2025-03-04 15:35:15,632 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:15,632 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:15,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,687 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:15,687 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-04 15:35:15,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,689 INFO L229 MonitoredProcess]: Starting monitored process 164 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2025-03-04 15:35:15,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:15,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:15,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2025-03-04 15:35:15,706 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:15,706 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:15,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2025-03-04 15:35:15,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,713 INFO L229 MonitoredProcess]: Starting monitored process 165 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2025-03-04 15:35:15,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:15,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:15,725 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-04 15:35:15,725 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-04 15:35:15,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2025-03-04 15:35:15,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,732 INFO L229 MonitoredProcess]: Starting monitored process 166 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2025-03-04 15:35:15,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-04 15:35:15,734 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:15,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2025-03-04 15:35:15,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,758 INFO L229 MonitoredProcess]: Starting monitored process 167 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2025-03-04 15:35:15,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-04 15:35:15,760 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-04 15:35:15,831 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-04 15:35:15,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:15,836 INFO L204 LassoAnalysis]: Preferences: [2025-03-04 15:35:15,836 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-04 15:35:15,836 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-04 15:35:15,836 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-04 15:35:15,836 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-04 15:35:15,836 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,836 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-04 15:35:15,836 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-04 15:35:15,836 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration10_Lasso [2025-03-04 15:35:15,836 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-04 15:35:15,836 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-04 15:35:15,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-04 15:35:15,882 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-04 15:35:15,882 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-04 15:35:15,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,884 INFO L229 MonitoredProcess]: Starting monitored process 168 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2025-03-04 15:35:15,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:15,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:15,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:15,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:15,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:15,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:15,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:15,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:15,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:15,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2025-03-04 15:35:15,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,904 INFO L229 MonitoredProcess]: Starting monitored process 169 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2025-03-04 15:35:15,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:15,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:15,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:15,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:15,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:15,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:15,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:15,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:15,917 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:15,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2025-03-04 15:35:15,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,924 INFO L229 MonitoredProcess]: Starting monitored process 170 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2025-03-04 15:35:15,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:15,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:15,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:15,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:15,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:15,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:15,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:15,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:15,937 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:15,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2025-03-04 15:35:15,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,944 INFO L229 MonitoredProcess]: Starting monitored process 171 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2025-03-04 15:35:15,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:15,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:15,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-04 15:35:15,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:15,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:15,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:15,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-04 15:35:15,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-04 15:35:15,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:15,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2025-03-04 15:35:15,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,965 INFO L229 MonitoredProcess]: Starting monitored process 172 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2025-03-04 15:35:15,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:15,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:15,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:15,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:15,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:15,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:15,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:15,980 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:15,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:15,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:15,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:15,988 INFO L229 MonitoredProcess]: Starting monitored process 173 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:15,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2025-03-04 15:35:15,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:15,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:15,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:15,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:15,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:16,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:16,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:16,002 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-04 15:35:16,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2025-03-04 15:35:16,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:16,010 INFO L229 MonitoredProcess]: Starting monitored process 174 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:16,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2025-03-04 15:35:16,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-04 15:35:16,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-04 15:35:16,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-04 15:35:16,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-04 15:35:16,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-04 15:35:16,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-04 15:35:16,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-04 15:35:16,027 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-04 15:35:16,030 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-03-04 15:35:16,030 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-03-04 15:35:16,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 15:35:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:35:16,032 INFO L229 MonitoredProcess]: Starting monitored process 175 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 15:35:16,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2025-03-04 15:35:16,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-04 15:35:16,044 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-04 15:35:16,044 INFO L474 LassoAnalysis]: Proved termination. [2025-03-04 15:35:16,045 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2025-03-04 15:35:16,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2025-03-04 15:35:16,051 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-03-04 15:35:16,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:16,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:16,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:16,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:16,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:16,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:16,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:16,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:16,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:16,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:16,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:16,126 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:16,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:16,137 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:16,137 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:16,160 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Result 36 states and 45 transitions. Complement of second has 6 states. [2025-03-04 15:35:16,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:16,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2025-03-04 15:35:16,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-04 15:35:16,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:16,161 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-04 15:35:16,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:16,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:16,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:16,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:16,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:16,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:16,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:16,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:16,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:16,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:16,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:16,239 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:16,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:16,249 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:16,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:16,271 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Result 36 states and 45 transitions. Complement of second has 6 states. [2025-03-04 15:35:16,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2025-03-04 15:35:16,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-04 15:35:16,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:16,272 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-04 15:35:16,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:35:16,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:35:16,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:35:16,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:16,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:16,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 15:35:16,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:16,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-04 15:35:16,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-04 15:35:16,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:35:16,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:35:16,361 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 15:35:16,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 15:35:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:35:16,370 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-04 15:35:16,370 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:16,391 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 37 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Result 39 states and 50 transitions. Complement of second has 5 states. [2025-03-04 15:35:16,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-04 15:35:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:35:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2025-03-04 15:35:16,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 14 letters. Loop has 2 letters. [2025-03-04 15:35:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 2 letters. [2025-03-04 15:35:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 14 letters. Loop has 4 letters. [2025-03-04 15:35:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-04 15:35:16,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2025-03-04 15:35:16,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 15:35:16,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2025-03-04 15:35:16,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-04 15:35:16,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-04 15:35:16,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-04 15:35:16,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 15:35:16,394 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:35:16,394 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:35:16,394 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 15:35:16,394 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-03-04 15:35:16,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-04 15:35:16,394 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-04 15:35:16,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-04 15:35:16,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 03:35:16 BoogieIcfgContainer [2025-03-04 15:35:16,400 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 15:35:16,400 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 15:35:16,400 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 15:35:16,400 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 15:35:16,401 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:35:04" (3/4) ... [2025-03-04 15:35:16,402 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 15:35:16,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 15:35:16,403 INFO L158 Benchmark]: Toolchain (without parser) took 11866.99ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 75.1MB in the end (delta: 46.9MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2025-03-04 15:35:16,404 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:35:16,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 118.50ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 111.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 15:35:16,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.15ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 110.9MB in the end (delta: 907.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:35:16,404 INFO L158 Benchmark]: Boogie Preprocessor took 16.10ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 967.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:35:16,404 INFO L158 Benchmark]: IcfgBuilder took 218.85ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 98.8MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 15:35:16,404 INFO L158 Benchmark]: BuchiAutomizer took 11489.97ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 75.2MB in the end (delta: 23.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2025-03-04 15:35:16,404 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 167.8MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 15:35:16,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 118.50ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 111.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.15ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 110.9MB in the end (delta: 907.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.10ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 967.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 218.85ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 98.8MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 11489.97ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 75.2MB in the end (delta: 23.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 167.8MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (0 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function (k + ((long) -1 * z)) and consists of 3 locations. One deterministic module has affine ranking function (k + ((long) -1 * z)) and consists of 3 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function ((long) x + 1) and consists of 5 locations. One deterministic module has affine ranking function (x + ((long) -1 * d)) and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.4s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 9.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 14 StatesRemovedByMinimization, 8 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 [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 361 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 361 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 243 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf93 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 69 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-04 15:35:16,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2025-03-04 15:35:16,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE