./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-set.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-27 20:19:24,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:19:24,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-27 20:19:24,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:19:24,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:19:24,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:19:24,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:19:24,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:19:24,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:19:24,833 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:19:24,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:19:24,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:19:24,834 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:19:24,834 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:19:24,834 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:19:24,834 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:19:24,834 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:19:24,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:19:24,835 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:19:24,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:19:24,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:19:24,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:19:24,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:19:24,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:19:24,836 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:19:24,836 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-27 20:19:25,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:19:25,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:19:25,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:19:25,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:19:25,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:19:25,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-bwb/counting-bits-set.i [2024-11-27 20:19:28,462 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/data/d0f1403f7/7f484c6cdc6843db80de64b5b8d72b7c/FLAGa6a83fb5b [2024-11-27 20:19:28,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:19:28,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/sv-benchmarks/c/termination-bwb/counting-bits-set.i [2024-11-27 20:19:28,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/data/d0f1403f7/7f484c6cdc6843db80de64b5b8d72b7c/FLAGa6a83fb5b [2024-11-27 20:19:29,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/data/d0f1403f7/7f484c6cdc6843db80de64b5b8d72b7c [2024-11-27 20:19:29,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:19:29,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:19:29,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:19:29,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:19:29,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:19:29,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692368b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29, skipping insertion in model container [2024-11-27 20:19:29,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:19:29,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:19:29,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:19:29,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:19:29,286 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:19:29,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29 WrapperNode [2024-11-27 20:19:29,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:19:29,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:19:29,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:19:29,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:19:29,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,319 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-27 20:19:29,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:19:29,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:19:29,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:19:29,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:19:29,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,335 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 20:19:29,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,337 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:19:29,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:19:29,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:19:29,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:19:29,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (1/1) ... [2024-11-27 20:19:29,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:29,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:29,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:29,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:19:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:19:29,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:19:29,514 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:19:29,516 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:19:29,624 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-11-27 20:19:29,624 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:19:29,639 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:19:29,641 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:19:29,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:19:29 BoogieIcfgContainer [2024-11-27 20:19:29,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:19:29,642 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:19:29,643 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:19:29,651 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:19:29,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:19:29,652 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:19:29" (1/3) ... [2024-11-27 20:19:29,653 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d6a178c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:19:29, skipping insertion in model container [2024-11-27 20:19:29,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:19:29,654 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:29" (2/3) ... [2024-11-27 20:19:29,654 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d6a178c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:19:29, skipping insertion in model container [2024-11-27 20:19:29,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:19:29,655 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:19:29" (3/3) ... [2024-11-27 20:19:29,657 INFO L363 chiAutomizerObserver]: Analyzing ICFG counting-bits-set.i [2024-11-27 20:19:29,745 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:19:29,745 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:19:29,745 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:19:29,745 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:19:29,746 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:19:29,747 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:19:29,747 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:19:29,747 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:19:29,755 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) [2024-11-27 20:19:29,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-27 20:19:29,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:19:29,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:19:29,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-27 20:19:29,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 20:19:29,783 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:19:29,784 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) [2024-11-27 20:19:29,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-27 20:19:29,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:19:29,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:19:29,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-27 20:19:29,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 20:19:29,793 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume ~v~0 >= 0;~c~0 := 0;" [2024-11-27 20:19:29,793 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 != ~v~0;" "~z~0 := ~v~0 % 2;~c~0 := ~c~0 + ~z~0;~v~0 := ~v~0 / 2;" [2024-11-27 20:19:29,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:29,800 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-27 20:19:29,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:19:29,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212907455] [2024-11-27 20:19:29,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:29,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:19:29,910 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:19:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:19:29,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:19:29,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:29,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1317, now seen corresponding path program 1 times [2024-11-27 20:19:29,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:19:29,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772107459] [2024-11-27 20:19:29,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:29,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:19:29,975 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:19:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:19:29,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:19:29,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:29,996 INFO L85 PathProgramCache]: Analyzing trace with hash 28693894, now seen corresponding path program 1 times [2024-11-27 20:19:29,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:19:29,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264454892] [2024-11-27 20:19:29,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:29,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:19:30,020 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:19:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:19:30,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:19:30,197 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:19:30,198 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:19:30,198 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:19:30,198 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:19:30,198 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:19:30,198 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:30,198 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:19:30,198 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:19:30,199 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Loop [2024-11-27 20:19:30,199 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:19:30,199 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:19:30,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:30,556 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:19:30,557 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 20:19:30,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:30,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:30,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:30,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 20:19:30,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:19:30,568 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:19:30,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-27 20:19:30,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:30,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:30,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:30,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 20:19:30,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 20:19:30,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:19:30,997 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:19:30,997 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=-1, ~c~0=0, ~z~0=1} Honda state: {~v~0=-1, ~c~0=0, ~z~0=1} Generalized eigenvectors: [{~v~0=0, ~c~0=-1, ~z~0=0}, {~v~0=0, ~c~0=-1, ~z~0=0}, {~v~0=0, ~c~0=3, ~z~0=0}] Lambdas: [0, 4, 1] Nus: [1, 1] [2024-11-27 20:19:31,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:19:31,075 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:19:31,076 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:19:31,076 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:19:31,076 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:19:31,076 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:19:31,076 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:31,076 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:19:31,076 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:19:31,076 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Lasso [2024-11-27 20:19:31,076 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:19:31,076 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:19:31,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,399 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:19:31,400 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 20:19:31,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:31,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:31,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 20:19:31,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:19:31,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:19:31,426 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:19:31,427 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~y~0=0} Honda state: {~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:19:31,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-27 20:19:31,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:31,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:31,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:31,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 20:19:31,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:19:31,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:19:31,472 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:19:31,472 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:19:31,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:19:31,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:31,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:31,485 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:31,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 20:19:31,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:19:31,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:19:31,511 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:19:31,511 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:19:31,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-27 20:19:31,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:31,526 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:31,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 20:19:31,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:19:31,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:19:31,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 20:19:31,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:31,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:31,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:31,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 20:19:31,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 20:19:31,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:19:31,747 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 20:19:31,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:19:31,752 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:19:31,752 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:19:31,753 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:19:31,753 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:19:31,753 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:19:31,753 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:31,753 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:19:31,753 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:19:31,753 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Lasso [2024-11-27 20:19:31,753 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:19:31,753 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:19:31,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:31,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:19:32,033 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:19:32,041 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:19:32,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:32,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:32,046 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:32,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 20:19:32,051 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 [2024-11-27 20:19:32,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:19:32,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:19:32,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:19:32,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:19:32,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:19:32,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:19:32,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:19:32,086 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:19:32,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:19:32,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:32,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:32,100 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:32,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 20:19:32,106 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 [2024-11-27 20:19:32,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:19:32,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:19:32,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:19:32,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:19:32,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:19:32,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:19:32,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:19:32,129 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:19:32,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-27 20:19:32,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:32,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:32,142 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:32,146 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 [2024-11-27 20:19:32,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 20:19:32,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:19:32,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:19:32,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:19:32,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:19:32,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:19:32,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:19:32,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:19:32,165 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:19:32,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 20:19:32,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:32,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:32,174 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:32,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 20:19:32,177 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 [2024-11-27 20:19:32,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:19:32,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:19:32,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:19:32,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:19:32,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:19:32,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:19:32,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:19:32,194 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:19:32,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-27 20:19:32,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:32,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:32,206 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:32,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 20:19:32,210 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 [2024-11-27 20:19:32,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:19:32,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:19:32,226 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:19:32,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:19:32,270 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-27 20:19:32,270 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-27 20:19:32,307 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:19:32,353 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-27 20:19:32,356 INFO L444 ModelExtractionUtils]: 12 out of 21 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 20:19:32,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:19:32,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:32,362 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:32,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 20:19:32,365 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:19:32,385 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-11-27 20:19:32,385 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:19:32,386 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [1*~v~0 >= 0] [2024-11-27 20:19:32,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-27 20:19:32,411 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-27 20:19:32,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:32,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:19:32,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:19:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:32,510 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:19:32,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:19:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:19:32,578 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 20:19:32,580 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) [2024-11-27 20:19:32,651 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 30 transitions. Complement of second has 7 states. [2024-11-27 20:19:32,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-27 20:19:32,660 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) [2024-11-27 20:19:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-27 20:19:32,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-27 20:19:32,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:19:32,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-27 20:19:32,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:19:32,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-27 20:19:32,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:19:32,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2024-11-27 20:19:32,682 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:19:32,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-11-27 20:19:32,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 20:19:32,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 20:19:32,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 20:19:32,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:19:32,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:19:32,689 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:19:32,692 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:19:32,692 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:19:32,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:19:32,693 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:19:32,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 20:19:32,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:19:32 BoogieIcfgContainer [2024-11-27 20:19:32,703 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:19:32,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:19:32,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:19:32,704 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:19:32,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:19:29" (3/4) ... [2024-11-27 20:19:32,707 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:19:32,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:19:32,709 INFO L158 Benchmark]: Toolchain (without parser) took 3662.13ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 48.9MB in the end (delta: 43.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-11-27 20:19:32,712 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:19:32,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.73ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:19:32,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.91ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.8MB in the end (delta: 829.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:19:32,713 INFO L158 Benchmark]: Boogie Preprocessor took 26.18ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:19:32,713 INFO L158 Benchmark]: RCFGBuilder took 294.79ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 72.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:19:32,715 INFO L158 Benchmark]: BuchiAutomizer took 3060.25ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 48.9MB in the end (delta: 23.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-27 20:19:32,715 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:19:32,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.73ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.91ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.8MB in the end (delta: 829.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.18ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.79ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 72.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3060.25ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 48.9MB in the end (delta: 23.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 21.1kB). 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. 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, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 6 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: 181ms VariablesStem: 3 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 20:19:32,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-27 20:19:32,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cc4ab-72f8-4c9d-a6a5-0e4afc129412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE