./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f 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-BK1.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 70faeb8da388def92e8d8f27f56338b509eab5fac6bc00546c486b6bd63f5971 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:51:17,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:51:17,449 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-12 20:51:17,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:51:17,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:51:17,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:51:17,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:51:17,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:51:17,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:51:17,482 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:51:17,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:51:17,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:51:17,483 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:51:17,483 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 20:51:17,483 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 20:51:17,484 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 20:51:17,485 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 20:51:17,485 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 20:51:17,485 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 20:51:17,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:51:17,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 20:51:17,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:51:17,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:51:17,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 20:51:17,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 20:51:17,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 20:51:17,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:51:17,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:51:17,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:51:17,490 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 20:51:17,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:51:17,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:51:17,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:51:17,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:51:17,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:51:17,491 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 20:51:17,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70faeb8da388def92e8d8f27f56338b509eab5fac6bc00546c486b6bd63f5971 [2024-11-12 20:51:17,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:51:17,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:51:17,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:51:17,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:51:17,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:51:17,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i [2024-11-12 20:51:18,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:51:19,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:51:19,086 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/counting-bits-BK1.i [2024-11-12 20:51:19,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/284c9829f/35cee3949112451e995e1b528a5a16ee/FLAGa7057f1c9 [2024-11-12 20:51:19,511 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/284c9829f/35cee3949112451e995e1b528a5a16ee [2024-11-12 20:51:19,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:51:19,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:51:19,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:51:19,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:51:19,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:51:19,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2cc7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19, skipping insertion in model container [2024-11-12 20:51:19,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:51:19,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:51:19,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:51:19,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:51:19,700 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:51:19,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19 WrapperNode [2024-11-12 20:51:19,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:51:19,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:51:19,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:51:19,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:51:19,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,723 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-12 20:51:19,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:51:19,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:51:19,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:51:19,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:51:19,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,736 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 20:51:19,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:51:19,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:51:19,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:51:19,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:51:19,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (1/1) ... [2024-11-12 20:51:19,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:19,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:19,772 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) [2024-11-12 20:51:19,774 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 [2024-11-12 20:51:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:51:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:51:19,859 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:51:19,862 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:51:19,961 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-11-12 20:51:19,962 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:51:19,973 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:51:19,974 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 20:51:19,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:51:19 BoogieIcfgContainer [2024-11-12 20:51:19,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:51:19,975 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 20:51:19,975 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 20:51:19,978 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 20:51:19,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:51:19,979 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 08:51:19" (1/3) ... [2024-11-12 20:51:19,980 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bde0227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:51:19, skipping insertion in model container [2024-11-12 20:51:19,980 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:51:19,980 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:51:19" (2/3) ... [2024-11-12 20:51:19,981 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bde0227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:51:19, skipping insertion in model container [2024-11-12 20:51:19,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:51:19,981 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:51:19" (3/3) ... [2024-11-12 20:51:19,983 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-BK1.i [2024-11-12 20:51:20,041 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 20:51:20,041 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 20:51:20,041 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 20:51:20,041 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 20:51:20,042 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 20:51:20,042 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 20:51:20,043 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 20:51:20,043 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 20:51:20,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:51:20,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 20:51:20,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:51:20,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:51:20,062 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 20:51:20,062 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 20:51:20,062 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 20:51:20,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:51:20,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 20:51:20,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:51:20,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:51:20,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 20:51:20,064 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 20:51:20,070 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;" "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~bitwise2#1, main_#t~post3#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;~c~0 := 0;" [2024-11-12 20:51:20,070 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(~v~0 > 0);" "assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~bitwise2#1 := 0;" "~v~0 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_#t~post3#1 := ~c~0;~c~0 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2024-11-12 20:51:20,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:51:20,077 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-12 20:51:20,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:51:20,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555517287] [2024-11-12 20:51:20,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:51:20,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:51:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:20,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:51:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:20,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:51:20,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:51:20,174 INFO L85 PathProgramCache]: Analyzing trace with hash 40820, now seen corresponding path program 1 times [2024-11-12 20:51:20,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:51:20,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644421640] [2024-11-12 20:51:20,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:51:20,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:51:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:20,190 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:51:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:20,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:51:20,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:51:20,201 INFO L85 PathProgramCache]: Analyzing trace with hash 28699762, now seen corresponding path program 1 times [2024-11-12 20:51:20,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:51:20,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125670300] [2024-11-12 20:51:20,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:51:20,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:51:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:20,209 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:51:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:20,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:51:20,304 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:51:20,304 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:51:20,305 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:51:20,305 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:51:20,305 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:51:20,305 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,305 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:51:20,306 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:51:20,306 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration1_Loop [2024-11-12 20:51:20,306 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:51:20,306 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:51:20,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:20,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:20,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:20,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:20,378 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:51:20,379 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:51:20,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,382 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) [2024-11-12 20:51:20,383 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 [2024-11-12 20:51:20,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:51:20,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:51:20,398 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:51:20,398 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:51:20,408 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 [2024-11-12 20:51:20,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,412 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) [2024-11-12 20:51:20,413 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 [2024-11-12 20:51:20,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:51:20,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:51:20,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-12 20:51:20,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,437 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) [2024-11-12 20:51:20,437 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 [2024-11-12 20:51:20,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:51:20,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:51:20,479 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:51:20,480 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=4}, {~c~0=-3}, {~c~0=0}] Lambdas: [1, 1, 15] Nus: [0, 0] [2024-11-12 20:51:20,490 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 [2024-11-12 20:51:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,492 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) [2024-11-12 20:51:20,493 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 [2024-11-12 20:51:20,494 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:51:20,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:51:20,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-12 20:51:20,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,519 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) [2024-11-12 20:51:20,520 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 [2024-11-12 20:51:20,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:51:20,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:51:20,540 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:51:20,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-12 20:51:20,553 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:51:20,553 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:51:20,553 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:51:20,553 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:51:20,553 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:51:20,553 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,553 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:51:20,553 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:51:20,553 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration1_Loop [2024-11-12 20:51:20,553 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:51:20,553 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:51:20,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:20,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:20,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:20,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:20,608 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:51:20,611 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:51:20,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,615 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) [2024-11-12 20:51:20,616 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 [2024-11-12 20:51:20,617 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 [2024-11-12 20:51:20,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:51:20,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:51:20,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:51:20,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:51:20,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:51:20,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:51:20,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:51:20,636 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:51:20,647 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 [2024-11-12 20:51:20,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,649 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) [2024-11-12 20:51:20,651 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 [2024-11-12 20:51:20,652 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 [2024-11-12 20:51:20,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:51:20,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:51:20,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:51:20,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:51:20,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:51:20,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:51:20,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:51:20,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:51:20,675 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 [2024-11-12 20:51:20,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,677 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) [2024-11-12 20:51:20,678 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 [2024-11-12 20:51:20,679 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 [2024-11-12 20:51:20,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:51:20,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:51:20,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:51:20,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:51:20,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:51:20,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:51:20,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:51:20,696 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:51:20,699 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:51:20,699 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:51:20,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:20,721 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:51:20,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-12 20:51:20,723 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:51:20,723 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:51:20,723 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:51:20,723 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2024-11-12 20:51:20,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-12 20:51:20,737 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:51:20,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:51:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:51:20,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:51:20,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:51:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:51:20,784 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:51:20,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:51:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:51:20,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-12 20:51:20,875 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-12 20:51:20,879 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:51:20,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 60 transitions. Complement of second has 11 states. [2024-11-12 20:51:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-12 20:51:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:51:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 37 transitions. [2024-11-12 20:51:20,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-12 20:51:20,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:51:20,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-12 20:51:20,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:51:20,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-12 20:51:20,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:51:20,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 60 transitions. [2024-11-12 20:51:20,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 20:51:20,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 23 states and 27 transitions. [2024-11-12 20:51:20,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-12 20:51:20,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-12 20:51:20,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2024-11-12 20:51:20,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:51:20,992 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-12 20:51:21,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2024-11-12 20:51:21,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 15. [2024-11-12 20:51:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:51:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-11-12 20:51:21,009 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-12 20:51:21,009 INFO L426 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-12 20:51:21,009 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 20:51:21,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2024-11-12 20:51:21,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 20:51:21,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:51:21,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:51:21,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:51:21,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-12 20:51:21,010 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;" "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~bitwise2#1, main_#t~post3#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;~c~0 := 0;" "assume !!(~v~0 > 0);" [2024-11-12 20:51:21,011 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == ~v~0 || 0 == ~v~0 - 1);" "assume !(~v~0 == ~v~0 - 1);" "havoc main_#t~bitwise2#1;assume (((((~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~bitwise2#1 <= ~v~0) && ((~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~bitwise2#1 <= ~v~0 - 1)) && ((~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~bitwise2#1 >= 0)) && ((~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~bitwise2#1 > ~v~0 + (~v~0 - 1))) && main_#t~bitwise2#1 >= -2147483648;" "~v~0 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_#t~post3#1 := ~c~0;~c~0 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" "assume !!(~v~0 > 0);" [2024-11-12 20:51:21,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:51:21,011 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-12 20:51:21,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:51:21,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970324913] [2024-11-12 20:51:21,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:51:21,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:51:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:21,015 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:51:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:21,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:51:21,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:51:21,018 INFO L85 PathProgramCache]: Analyzing trace with hash 44052995, now seen corresponding path program 1 times [2024-11-12 20:51:21,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:51:21,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236734701] [2024-11-12 20:51:21,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:51:21,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:51:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:21,027 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:51:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:21,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:51:21,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:51:21,037 INFO L85 PathProgramCache]: Analyzing trace with hash 297897404, now seen corresponding path program 1 times [2024-11-12 20:51:21,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:51:21,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981337248] [2024-11-12 20:51:21,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:51:21,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:51:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:21,050 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:51:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:51:21,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:51:21,110 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:51:21,110 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:51:21,110 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:51:21,110 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:51:21,110 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:51:21,110 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:21,110 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:51:21,110 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:51:21,111 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration2_Loop [2024-11-12 20:51:21,111 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:51:21,111 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:51:21,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:21,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:21,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:21,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:21,149 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:51:21,149 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:51:21,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:21,153 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:51:21,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-12 20:51:21,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:51:21,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:51:21,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-12 20:51:21,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:21,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:21,179 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:51:21,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-12 20:51:21,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:51:21,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:51:21,218 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:51:21,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-12 20:51:21,222 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:51:21,222 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:51:21,222 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:51:21,222 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:51:21,223 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:51:21,223 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:21,223 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:51:21,223 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:51:21,223 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration2_Loop [2024-11-12 20:51:21,223 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:51:21,223 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:51:21,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:21,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:21,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:21,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:51:21,258 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:51:21,258 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:51:21,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:21,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:21,260 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:51:21,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-12 20:51:21,262 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 [2024-11-12 20:51:21,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:51:21,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:51:21,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:51:21,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:51:21,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:51:21,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:51:21,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:51:21,275 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:51:21,277 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:51:21,278 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:51:21,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:51:21,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:51:21,279 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:51:21,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-12 20:51:21,282 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:51:21,282 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:51:21,282 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:51:21,282 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2024-11-12 20:51:21,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-12 20:51:21,293 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:51:21,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:51:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:51:21,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:51:21,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:51:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:51:21,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 20:51:21,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:51:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:51:21,387 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-12 20:51:21,387 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-11-12 20:51:21,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 30 transitions. Complement of second has 8 states. [2024-11-12 20:51:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-12 20:51:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-11-12 20:51:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2024-11-12 20:51:21,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 5 letters. [2024-11-12 20:51:21,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:51:21,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 5 letters. [2024-11-12 20:51:21,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:51:21,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 10 letters. [2024-11-12 20:51:21,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:51:21,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2024-11-12 20:51:21,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:51:21,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-11-12 20:51:21,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 20:51:21,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 20:51:21,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 20:51:21,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:51:21,421 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:51:21,421 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:51:21,421 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:51:21,421 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 20:51:21,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 20:51:21,421 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:51:21,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 20:51:21,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 08:51:21 BoogieIcfgContainer [2024-11-12 20:51:21,431 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 20:51:21,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:51:21,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:51:21,431 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:51:21,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:51:19" (3/4) ... [2024-11-12 20:51:21,433 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 20:51:21,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:51:21,435 INFO L158 Benchmark]: Toolchain (without parser) took 1920.55ms. Allocated memory is still 207.6MB. Free memory was 139.4MB in the beginning and 134.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-12 20:51:21,435 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:51:21,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.76ms. Allocated memory is still 207.6MB. Free memory was 139.1MB in the beginning and 127.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 20:51:21,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.28ms. Allocated memory is still 207.6MB. Free memory was 127.8MB in the beginning and 126.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:51:21,436 INFO L158 Benchmark]: Boogie Preprocessor took 18.50ms. Allocated memory is still 207.6MB. Free memory was 126.4MB in the beginning and 125.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:51:21,436 INFO L158 Benchmark]: RCFGBuilder took 231.08ms. Allocated memory is still 207.6MB. Free memory was 124.9MB in the beginning and 176.1MB in the end (delta: -51.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-12 20:51:21,436 INFO L158 Benchmark]: BuchiAutomizer took 1455.99ms. Allocated memory is still 207.6MB. Free memory was 176.1MB in the beginning and 134.4MB in the end (delta: 41.6MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-12 20:51:21,437 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 207.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:51:21,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.76ms. Allocated memory is still 207.6MB. Free memory was 139.1MB in the beginning and 127.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.28ms. Allocated memory is still 207.6MB. Free memory was 127.8MB in the beginning and 126.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.50ms. Allocated memory is still 207.6MB. Free memory was 126.4MB in the beginning and 125.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.08ms. Allocated memory is still 207.6MB. Free memory was 124.9MB in the beginning and 176.1MB in the end (delta: -51.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1455.99ms. Allocated memory is still 207.6MB. Free memory was 176.1MB in the beginning and 134.4MB in the end (delta: 41.6MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 207.6MB. Free memory is still 134.4MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function v and consists of 7 locations. One deterministic module has affine ranking function v and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 12 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf93 smp100 dnf100 smp100 tf115 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-12 20:51:21,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-12 20:51:21,663 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