./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/counting-bits-set.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d 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-bwb/counting-bits-set.i -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 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:00:25,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:00:25,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-17 08:00:25,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:00:25,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:00:25,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:00:25,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:00:25,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:00:25,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:00:25,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:00:25,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:00:25,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:00:25,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:00:25,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:00:25,662 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:00:25,662 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:00:25,662 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:00:25,662 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:00:25,662 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:00:25,663 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:00:25,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:00:25,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:00:25,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:00:25,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:00:25,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:00:25,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:00:25,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:00:25,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:00:25,666 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:00:25,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:00:25,666 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:00:25,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:00:25,666 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:00:25,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:00:25,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:00:25,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:00:25,667 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:00:25,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 [2024-11-17 08:00:25,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:00:25,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:00:25,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:00:25,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:00:25,899 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:00:25,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/counting-bits-set.i [2024-11-17 08:00:27,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:00:27,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:00:27,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/counting-bits-set.i [2024-11-17 08:00:27,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b751d7934/7c4840c3568b4c39b4fe66740b3a832c/FLAGff7364746 [2024-11-17 08:00:27,720 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b751d7934/7c4840c3568b4c39b4fe66740b3a832c [2024-11-17 08:00:27,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:00:27,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:00:27,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:00:27,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:00:27,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:00:27,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3425583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27, skipping insertion in model container [2024-11-17 08:00:27,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:00:27,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:00:27,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:00:27,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:00:27,894 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:00:27,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27 WrapperNode [2024-11-17 08:00:27,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:00:27,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:00:27,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:00:27,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:00:27,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,916 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-17 08:00:27,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:00:27,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:00:27,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:00:27,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:00:27,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,945 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 08:00:27,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,947 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:00:27,949 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:00:27,949 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:00:27,949 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:00:27,950 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (1/1) ... [2024-11-17 08:00:27,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:27,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:27,980 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) [2024-11-17 08:00:27,982 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 [2024-11-17 08:00:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:00:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:00:28,076 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:00:28,078 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:00:28,148 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-11-17 08:00:28,148 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:00:28,159 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:00:28,159 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:00:28,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:00:28 BoogieIcfgContainer [2024-11-17 08:00:28,160 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:00:28,161 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:00:28,161 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:00:28,164 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:00:28,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:00:28,165 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:00:27" (1/3) ... [2024-11-17 08:00:28,166 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fdd2165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:00:28, skipping insertion in model container [2024-11-17 08:00:28,166 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:00:28,167 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:27" (2/3) ... [2024-11-17 08:00:28,167 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fdd2165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:00:28, skipping insertion in model container [2024-11-17 08:00:28,167 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:00:28,167 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:00:28" (3/3) ... [2024-11-17 08:00:28,168 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-set.i [2024-11-17 08:00:28,231 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:00:28,231 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:00:28,232 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:00:28,232 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:00:28,232 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:00:28,232 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:00:28,232 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:00:28,233 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:00:28,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:00:28,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:00:28,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:00:28,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:00:28,252 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:00:28,252 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:00:28,254 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:00:28,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:00:28,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:00:28,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:00:28,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:00:28,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:00:28,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:00:28,262 INFO L745 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 9#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;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L12true assume ~v~0 >= 0;~c~0 := 0; 7#L13true [2024-11-17 08:00:28,262 INFO L747 eck$LassoCheckResult]: Loop: 7#L13true assume true; 3#L13-1true assume !!(0 != ~v~0);~z~0 := ~v~0 % 2;~c~0 := ~c~0 + ~z~0;~v~0 := ~v~0 / 2; 7#L13true [2024-11-17 08:00:28,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:00:28,267 INFO L85 PathProgramCache]: Analyzing trace with hash 42666, now seen corresponding path program 1 times [2024-11-17 08:00:28,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:00:28,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833303397] [2024-11-17 08:00:28,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:00:28,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:00:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:00:28,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:00:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:00:28,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:00:28,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:00:28,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 1 times [2024-11-17 08:00:28,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:00:28,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016922420] [2024-11-17 08:00:28,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:00:28,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:00:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:00:28,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:00:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:00:28,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:00:28,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:00:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash 41002281, now seen corresponding path program 1 times [2024-11-17 08:00:28,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:00:28,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243480414] [2024-11-17 08:00:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:00:28,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:00:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:00:28,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:00:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:00:28,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:00:28,488 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:00:28,489 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:00:28,489 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:00:28,489 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:00:28,489 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:00:28,489 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:28,489 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:00:28,490 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:00:28,490 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Loop [2024-11-17 08:00:28,490 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:00:28,490 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:00:28,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:28,689 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:00:28,690 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:00:28,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:28,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:28,694 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) [2024-11-17 08:00:28,698 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 [2024-11-17 08:00:28,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:00:28,700 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:00:28,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-17 08:00:28,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:28,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:28,742 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) [2024-11-17 08:00:28,743 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 [2024-11-17 08:00:28,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:00:28,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:00:28,921 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:00:28,921 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=-1, ~z~0=3, ~c~0=0} Honda state: {~v~0=-1, ~z~0=3, ~c~0=0} Generalized eigenvectors: [{~v~0=0, ~z~0=0, ~c~0=1}, {~v~0=0, ~z~0=2, ~c~0=0}, {~v~0=0, ~z~0=-4, ~c~0=0}] Lambdas: [1, 2, 0] Nus: [0, 1] [2024-11-17 08:00:28,934 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 [2024-11-17 08:00:28,968 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:00:28,968 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:00:28,968 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:00:28,969 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:00:28,969 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:00:28,969 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:28,969 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:00:28,969 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:00:28,969 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Lasso [2024-11-17 08:00:28,969 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:00:28,969 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:00:28,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:28,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:28,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:28,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:28,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:29,141 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:00:29,142 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:00:29,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:29,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:29,146 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) [2024-11-17 08:00:29,148 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 [2024-11-17 08:00:29,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:00:29,150 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:00:29,162 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:00:29,162 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~y~0=0} Honda state: {~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:00:29,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-17 08:00:29,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:29,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:29,177 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) [2024-11-17 08:00:29,178 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 [2024-11-17 08:00:29,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:00:29,183 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:00:29,225 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 [2024-11-17 08:00:29,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:29,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:29,228 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:00:29,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-17 08:00:29,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:00:29,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:00:29,362 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:00:29,368 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 [2024-11-17 08:00:29,369 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:00:29,369 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:00:29,369 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:00:29,369 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:00:29,369 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:00:29,369 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:29,369 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:00:29,369 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:00:29,369 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Lasso [2024-11-17 08:00:29,369 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:00:29,370 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:00:29,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:29,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:29,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:29,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:29,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:00:29,516 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:00:29,520 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:00:29,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:29,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:29,523 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:00:29,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-17 08:00:29,525 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 [2024-11-17 08:00:29,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:00:29,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:00:29,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:00:29,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:00:29,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:00:29,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:00:29,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:00:29,539 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:00:29,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-17 08:00:29,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:29,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:29,557 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:00:29,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-17 08:00:29,565 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 [2024-11-17 08:00:29,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:00:29,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:00:29,575 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-17 08:00:29,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:00:29,597 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-17 08:00:29,597 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-17 08:00:29,618 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:00:29,638 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-17 08:00:29,638 INFO L444 ModelExtractionUtils]: 12 out of 21 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-17 08:00:29,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:00:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:00:29,644 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:00:29,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-17 08:00:29,651 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:00:29,665 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-11-17 08:00:29,665 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:00:29,666 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [1*~v~0 >= 0] [2024-11-17 08:00:29,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-17 08:00:29,686 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-17 08:00:29,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:00:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:00:29,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 08:00:29,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:00:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:00:29,790 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 08:00:29,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:00:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:00:29,869 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 [2024-11-17 08:00:29,875 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:00:29,936 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 [2024-11-17 08:00:29,966 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 28 transitions. Complement of second has 5 states. [2024-11-17 08:00:29,969 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 [2024-11-17 08:00:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:00:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2024-11-17 08:00:29,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-17 08:00:29,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:00:29,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-17 08:00:29,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:00:29,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-17 08:00:29,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:00:29,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 28 transitions. [2024-11-17 08:00:29,978 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:00:29,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-11-17 08:00:29,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:00:29,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:00:29,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:00:29,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:00:29,982 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:00:29,982 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:00:29,982 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:00:29,982 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:00:29,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:00:29,983 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:00:29,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:00:29,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:00:29 BoogieIcfgContainer [2024-11-17 08:00:29,989 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:00:29,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:00:29,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:00:29,990 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:00:29,990 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:00:28" (3/4) ... [2024-11-17 08:00:29,994 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:00:29,995 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:00:29,995 INFO L158 Benchmark]: Toolchain (without parser) took 2271.68ms. Allocated memory was 169.9MB in the beginning and 239.1MB in the end (delta: 69.2MB). Free memory was 99.0MB in the beginning and 202.7MB in the end (delta: -103.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:00:29,996 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 169.9MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:00:29,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.61ms. Allocated memory is still 169.9MB. Free memory was 98.8MB in the beginning and 87.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 08:00:29,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.80ms. Allocated memory is still 169.9MB. Free memory was 87.0MB in the beginning and 85.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:00:29,998 INFO L158 Benchmark]: Boogie Preprocessor took 31.89ms. Allocated memory is still 169.9MB. Free memory was 85.8MB in the beginning and 139.4MB in the end (delta: -53.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-17 08:00:29,998 INFO L158 Benchmark]: IcfgBuilder took 210.88ms. Allocated memory was 169.9MB in the beginning and 239.1MB in the end (delta: 69.2MB). Free memory was 139.4MB in the beginning and 205.1MB in the end (delta: -65.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-17 08:00:29,999 INFO L158 Benchmark]: BuchiAutomizer took 1828.24ms. Allocated memory is still 239.1MB. Free memory was 205.1MB in the beginning and 202.7MB in the end (delta: 2.3MB). Peak memory consumption was 251.9kB. Max. memory is 16.1GB. [2024-11-17 08:00:29,999 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 239.1MB. Free memory is still 202.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:00:30,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 169.9MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.61ms. Allocated memory is still 169.9MB. Free memory was 98.8MB in the beginning and 87.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.80ms. Allocated memory is still 169.9MB. Free memory was 87.0MB in the beginning and 85.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.89ms. Allocated memory is still 169.9MB. Free memory was 85.8MB in the beginning and 139.4MB in the end (delta: -53.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * IcfgBuilder took 210.88ms. Allocated memory was 169.9MB in the beginning and 239.1MB in the end (delta: 69.2MB). Free memory was 139.4MB in the beginning and 205.1MB in the end (delta: -65.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1828.24ms. Allocated memory is still 239.1MB. Free memory was 205.1MB in the beginning and 202.7MB in the end (delta: 2.3MB). Peak memory consumption was 251.9kB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 239.1MB. Free memory is still 202.7MB. 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 v and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div374 bol100 ite100 ukn100 eq139 hnf95 smp49 dnf170 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 110ms VariablesStem: 3 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:00:30,030 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