./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.05.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 5b6e59622d7705af1cf59256728eb18a1c337eedcf13e6d5197ea4edf09b2511 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:35:10,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:35:10,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-10 22:35:10,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:35:10,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:35:10,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:35:10,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:35:10,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:35:10,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:35:10,578 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:35:10,578 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:35:10,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:35:10,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:35:10,581 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:35:10,582 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:35:10,582 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:35:10,582 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:35:10,583 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:35:10,583 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:35:10,583 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:35:10,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:35:10,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:35:10,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:35:10,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:35:10,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:35:10,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:35:10,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:35:10,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:35:10,595 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:35:10,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:35:10,596 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:35:10,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:35:10,596 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:35:10,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:35:10,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:35:10,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:35:10,597 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:35:10,598 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b6e59622d7705af1cf59256728eb18a1c337eedcf13e6d5197ea4edf09b2511 [2024-11-10 22:35:10,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:35:10,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:35:10,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:35:10,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:35:10,881 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:35:10,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.05.c [2024-11-10 22:35:12,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:35:12,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:35:12,471 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.05.c [2024-11-10 22:35:12,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831c37141/4cf619e13b1641e387482d58993f6058/FLAG3b4289344 [2024-11-10 22:35:12,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831c37141/4cf619e13b1641e387482d58993f6058 [2024-11-10 22:35:12,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:35:12,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:35:12,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:35:12,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:35:12,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:35:12,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295d773a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12, skipping insertion in model container [2024-11-10 22:35:12,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:35:12,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:35:12,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:35:12,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:35:12,714 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:35:12,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12 WrapperNode [2024-11-10 22:35:12,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:35:12,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:35:12,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:35:12,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:35:12,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,741 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-10 22:35:12,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:35:12,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:35:12,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:35:12,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:35:12,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,757 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 22:35:12,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:35:12,765 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:35:12,765 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:35:12,765 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:35:12,766 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (1/1) ... [2024-11-10 22:35:12,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:12,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:12,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:12,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 22:35:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:35:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:35:12,901 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:35:12,902 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:35:12,958 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-10 22:35:12,958 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:35:12,968 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:35:12,968 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:35:12,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:35:12 BoogieIcfgContainer [2024-11-10 22:35:12,969 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:35:12,970 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:35:12,970 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:35:12,973 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:35:12,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:35:12,974 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:35:12" (1/3) ... [2024-11-10 22:35:12,975 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fd62fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:35:12, skipping insertion in model container [2024-11-10 22:35:12,975 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:35:12,975 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:35:12" (2/3) ... [2024-11-10 22:35:12,975 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fd62fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:35:12, skipping insertion in model container [2024-11-10 22:35:12,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:35:12,976 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:35:12" (3/3) ... [2024-11-10 22:35:12,977 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.05.c [2024-11-10 22:35:13,028 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:35:13,029 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:35:13,029 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:35:13,029 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:35:13,030 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:35:13,030 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:35:13,030 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:35:13,030 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:35:13,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:13,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 22:35:13,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:35:13,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:35:13,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:35:13,058 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:35:13,058 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:35:13,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:13,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 22:35:13,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:35:13,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:35:13,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:35:13,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:35:13,067 INFO L745 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~tmp~0#1;havoc main_~x~0#1;havoc main_~tmp~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~tmp~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2#L9true [2024-11-10 22:35:13,067 INFO L747 eck$LassoCheckResult]: Loop: 2#L9true assume true; 8#L9-1true assume !!(((main_~x~0#1 > 0 && main_~tmp~0#1 < 1073741824) && -1073741824 < main_~tmp~0#1) && main_~x~0#1 == 2 * main_~tmp~0#1);main_~x~0#1 := main_~x~0#1 - 1;havoc main_#t~nondet2#1;main_~tmp~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2#L9true [2024-11-10 22:35:13,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:13,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1280, now seen corresponding path program 1 times [2024-11-10 22:35:13,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:35:13,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162717547] [2024-11-10 22:35:13,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:35:13,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:35:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:13,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:35:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:13,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:35:13,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:13,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1184, now seen corresponding path program 1 times [2024-11-10 22:35:13,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:35:13,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609196013] [2024-11-10 22:35:13,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:35:13,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:35:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:13,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:35:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:13,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:35:13,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:13,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1230303, now seen corresponding path program 1 times [2024-11-10 22:35:13,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:35:13,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216297485] [2024-11-10 22:35:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:35:13,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:35:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:13,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:35:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:13,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:35:13,345 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:35:13,346 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:35:13,346 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:35:13,346 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:35:13,347 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:35:13,347 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:13,347 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:35:13,347 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:35:13,347 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.05.c_Iteration1_Loop [2024-11-10 22:35:13,347 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:35:13,348 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:35:13,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:13,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:13,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:13,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:13,491 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:35:13,492 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:35:13,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:13,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:13,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:13,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-10 22:35:13,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:35:13,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:35:13,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-10 22:35:13,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:13,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:13,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-10 22:35:13,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:35:13,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:35:13,572 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:35:13,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-10 22:35:13,576 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:35:13,577 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:35:13,577 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:35:13,577 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:35:13,577 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:35:13,577 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:13,577 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:35:13,577 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:35:13,577 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.05.c_Iteration1_Loop [2024-11-10 22:35:13,578 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:35:13,578 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:35:13,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:13,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:13,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:13,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:13,680 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:35:13,684 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:35:13,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:13,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:13,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:13,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-10 22:35:13,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:35:13,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:35:13,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:35:13,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:35:13,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:35:13,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:35:13,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:35:13,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:35:13,712 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:35:13,720 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:35:13,720 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-10 22:35:13,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:13,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:13,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:13,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-10 22:35:13,741 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:35:13,741 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:35:13,742 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:35:13,742 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-10 22:35:13,753 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 [2024-11-10 22:35:13,756 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:35:13,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:13,792 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:35:13,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:13,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:35:13,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:13,847 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-10 22:35:13,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:13,876 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 16 transitions. Complement of second has 6 states. [2024-11-10 22:35:13,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:35:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-10 22:35:13,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-10 22:35:13,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:13,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-10 22:35:13,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:13,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-10 22:35:13,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:13,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2024-11-10 22:35:13,888 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:35:13,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-10 22:35:13,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:35:13,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:35:13,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:35:13,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:35:13,893 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:35:13,894 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:35:13,894 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:35:13,894 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:35:13,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:35:13,894 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:35:13,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:35:13,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:35:13 BoogieIcfgContainer [2024-11-10 22:35:13,902 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:35:13,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:35:13,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:35:13,903 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:35:13,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:35:12" (3/4) ... [2024-11-10 22:35:13,906 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:35:13,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:35:13,908 INFO L158 Benchmark]: Toolchain (without parser) took 1416.51ms. Allocated memory is still 180.4MB. Free memory was 121.8MB in the beginning and 54.7MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-10 22:35:13,908 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 180.4MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:35:13,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.12ms. Allocated memory is still 180.4MB. Free memory was 121.4MB in the beginning and 110.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 22:35:13,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.32ms. Allocated memory is still 180.4MB. Free memory was 110.5MB in the beginning and 109.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:35:13,909 INFO L158 Benchmark]: Boogie Preprocessor took 22.78ms. Allocated memory is still 180.4MB. Free memory was 109.1MB in the beginning and 107.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:35:13,910 INFO L158 Benchmark]: IcfgBuilder took 204.08ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 98.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 22:35:13,910 INFO L158 Benchmark]: BuchiAutomizer took 932.08ms. Allocated memory is still 180.4MB. Free memory was 98.4MB in the beginning and 55.1MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-10 22:35:13,911 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 180.4MB. Free memory was 55.1MB in the beginning and 54.7MB in the end (delta: 418.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:35:13,913 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 180.4MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.12ms. Allocated memory is still 180.4MB. Free memory was 121.4MB in the beginning and 110.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.32ms. Allocated memory is still 180.4MB. Free memory was 110.5MB in the beginning and 109.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.78ms. Allocated memory is still 180.4MB. Free memory was 109.1MB in the beginning and 107.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 204.08ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 98.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 932.08ms. Allocated memory is still 180.4MB. Free memory was 98.4MB in the beginning and 55.1MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 180.4MB. Free memory was 55.1MB in the beginning and 54.7MB in the end (delta: 418.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 56ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-10 22:35:13,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-10 22:35:14,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE