./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-set.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:30:55,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:30:55,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 02:30:55,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:30:55,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:30:55,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:30:55,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:30:55,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:30:55,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:30:55,781 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:30:55,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:30:55,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:30:55,783 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:30:55,783 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 02:30:55,784 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 02:30:55,785 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 02:30:55,785 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 02:30:55,785 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 02:30:55,786 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 02:30:55,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:30:55,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 02:30:55,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:30:55,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:30:55,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 02:30:55,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 02:30:55,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 02:30:55,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:30:55,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:30:55,790 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 02:30:55,791 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:30:55,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:30:55,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:30:55,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:30:55,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:30:55,793 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 02:30:55,794 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 [2023-11-29 02:30:56,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:30:56,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:30:56,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:30:56,060 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:30:56,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:30:56,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-bwb/counting-bits-set.i [2023-11-29 02:30:58,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:30:58,987 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:30:58,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/sv-benchmarks/c/termination-bwb/counting-bits-set.i [2023-11-29 02:30:58,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/data/f92917deb/acbc0e362f414d38b7e11ce27bbd2052/FLAG199e39ea3 [2023-11-29 02:30:59,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/data/f92917deb/acbc0e362f414d38b7e11ce27bbd2052 [2023-11-29 02:30:59,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:30:59,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:30:59,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:30:59,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:30:59,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:30:59,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ed0f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59, skipping insertion in model container [2023-11-29 02:30:59,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:30:59,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:30:59,155 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:30:59,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:30:59,176 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:30:59,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59 WrapperNode [2023-11-29 02:30:59,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:30:59,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:30:59,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:30:59,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:30:59,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,206 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-11-29 02:30:59,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:30:59,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:30:59,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:30:59,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:30:59,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,219 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,225 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 02:30:59,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:30:59,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:30:59,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:30:59,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:30:59,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (1/1) ... [2023-11-29 02:30:59,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:30:59,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:30:59,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:30:59,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 02:30:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:30:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:30:59,355 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:30:59,357 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:30:59,430 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:30:59,440 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:30:59,440 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:30:59,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:30:59 BoogieIcfgContainer [2023-11-29 02:30:59,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:30:59,443 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 02:30:59,443 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 02:30:59,447 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 02:30:59,448 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:30:59,448 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 02:30:59" (1/3) ... [2023-11-29 02:30:59,449 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67f4aa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 02:30:59, skipping insertion in model container [2023-11-29 02:30:59,449 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:30:59,449 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:30:59" (2/3) ... [2023-11-29 02:30:59,450 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67f4aa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 02:30:59, skipping insertion in model container [2023-11-29 02:30:59,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:30:59,450 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:30:59" (3/3) ... [2023-11-29 02:30:59,451 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-set.i [2023-11-29 02:30:59,504 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 02:30:59,504 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 02:30:59,505 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 02:30:59,505 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 02:30:59,505 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 02:30:59,505 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 02:30:59,506 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 02:30:59,506 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 02:30:59,510 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) [2023-11-29 02:30:59,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 02:30:59,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:30:59,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:30:59,529 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 02:30:59,529 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 02:30:59,530 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 02:30:59,530 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) [2023-11-29 02:30:59,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 02:30:59,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:30:59,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:30:59,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 02:30:59,532 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 02:30:59,538 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L12true assume ~v~0 >= 0;~c~0 := 0; 7#L13-3true [2023-11-29 02:30:59,538 INFO L750 eck$LassoCheckResult]: Loop: 7#L13-3true assume !!(0 != ~v~0);~z~0 := ~v~0 % 2;~c~0 := ~c~0 + ~z~0; 5#L13-2true ~v~0 := ~v~0 / 2; 7#L13-3true [2023-11-29 02:30:59,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:59,543 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-11-29 02:30:59,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:59,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121843908] [2023-11-29 02:30:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:59,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:30:59,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:30:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:30:59,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:30:59,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:59,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1379, now seen corresponding path program 1 times [2023-11-29 02:30:59,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:59,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303408276] [2023-11-29 02:30:59,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:59,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:30:59,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:30:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:30:59,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:30:59,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:59,670 INFO L85 PathProgramCache]: Analyzing trace with hash 28693956, now seen corresponding path program 1 times [2023-11-29 02:30:59,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:59,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866976648] [2023-11-29 02:30:59,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:59,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:30:59,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:30:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:30:59,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:30:59,778 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 02:30:59,779 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 02:30:59,779 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 02:30:59,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 02:30:59,779 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 02:30:59,780 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:30:59,780 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 02:30:59,780 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 02:30:59,780 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Loop [2023-11-29 02:30:59,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 02:30:59,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 02:30:59,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:30:59,991 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 02:30:59,992 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 02:30:59,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:30:59,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:30:59,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:00,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 02:31:00,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:31:00,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:31:00,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:31:00,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:00,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:00,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:00,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 02:31:00,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 02:31:00,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:31:00,302 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 02:31:00,302 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=-1, ~z~0=6, ~c~0=0} Honda state: {~v~0=-1, ~z~0=6, ~c~0=0} Generalized eigenvectors: [{~v~0=0, ~z~0=0, ~c~0=1}, {~v~0=0, ~z~0=1, ~c~0=0}, {~v~0=0, ~z~0=-6, ~c~0=0}] Lambdas: [1, 6, 0] Nus: [0, 1] [2023-11-29 02:31:00,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 02:31:00,355 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 02:31:00,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 02:31:00,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 02:31:00,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 02:31:00,355 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 02:31:00,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:00,355 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 02:31:00,356 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 02:31:00,356 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Lasso [2023-11-29 02:31:00,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 02:31:00,356 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 02:31:00,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,565 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 02:31:00,565 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 02:31:00,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:00,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:00,567 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:00,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 02:31:00,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:31:00,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:31:00,583 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 02:31:00,583 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~y~0=0} Honda state: {~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 02:31:00,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-29 02:31:00,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:00,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:00,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:00,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 02:31:00,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:31:00,597 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:31:00,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 02:31:00,609 INFO L440 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: [] [2023-11-29 02:31:00,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 02:31:00,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:00,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:00,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:00,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 02:31:00,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:31:00,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:31:00,628 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 02:31:00,628 INFO L440 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: [] [2023-11-29 02:31:00,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 02:31:00,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:00,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:00,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:00,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 02:31:00,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:31:00,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:31:00,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 02:31:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:00,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:00,669 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:00,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 02:31:00,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 02:31:00,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:31:00,833 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 02:31:00,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 02:31:00,837 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 02:31:00,837 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 02:31:00,837 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 02:31:00,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 02:31:00,838 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 02:31:00,838 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:00,838 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 02:31:00,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 02:31:00,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-set.i_Iteration1_Lasso [2023-11-29 02:31:00,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 02:31:00,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 02:31:00,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:00,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:31:01,038 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 02:31:01,043 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 02:31:01,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:01,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:01,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:01,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 02:31:01,049 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 [2023-11-29 02:31:01,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:31:01,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:31:01,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:31:01,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:31:01,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:31:01,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:31:01,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:31:01,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:31:01,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 02:31:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:01,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:01,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:01,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 02:31:01,071 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 [2023-11-29 02:31:01,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:31:01,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:31:01,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:31:01,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:31:01,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:31:01,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:31:01,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:31:01,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:31:01,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 02:31:01,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:01,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:01,090 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 02:31:01,093 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 [2023-11-29 02:31:01,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:31:01,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:31:01,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:31:01,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:31:01,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:31:01,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:31:01,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:31:01,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:31:01,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 02:31:01,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:01,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:01,113 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:01,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 02:31:01,115 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 [2023-11-29 02:31:01,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:31:01,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:31:01,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:31:01,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:31:01,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:31:01,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:31:01,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:31:01,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:31:01,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-29 02:31:01,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:01,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:01,132 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:01,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 02:31:01,135 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 [2023-11-29 02:31:01,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:31:01,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:31:01,145 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 02:31:01,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:31:01,173 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-29 02:31:01,173 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 02:31:01,202 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 02:31:01,249 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-29 02:31:01,249 INFO L444 ModelExtractionUtils]: 12 out of 21 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-29 02:31:01,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:31:01,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:01,277 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:01,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 02:31:01,279 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 02:31:01,292 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-11-29 02:31:01,292 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 02:31:01,292 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [1*~v~0 >= 0] [2023-11-29 02:31:01,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 02:31:01,300 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-11-29 02:31:01,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:01,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:31:01,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:31:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:01,354 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:31:01,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:31:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:31:01,410 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 [2023-11-29 02:31:01,412 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) [2023-11-29 02:31:01,476 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. [2023-11-29 02:31:01,478 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 [2023-11-29 02:31:01,482 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) [2023-11-29 02:31:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2023-11-29 02:31:01,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-29 02:31:01,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:31:01,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-29 02:31:01,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:31:01,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-29 02:31:01,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:31:01,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2023-11-29 02:31:01,489 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 02:31:01,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2023-11-29 02:31:01,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 02:31:01,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 02:31:01,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 02:31:01,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:01,493 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:31:01,493 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:31:01,493 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:31:01,493 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 02:31:01,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:31:01,494 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 02:31:01,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 02:31:01,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 02:31:01 BoogieIcfgContainer [2023-11-29 02:31:01,501 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 02:31:01,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:31:01,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:31:01,501 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:31:01,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:30:59" (3/4) ... [2023-11-29 02:31:01,504 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:31:01,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:31:01,506 INFO L158 Benchmark]: Toolchain (without parser) took 2492.67ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 110.5MB in the beginning and 114.5MB in the end (delta: -4.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2023-11-29 02:31:01,506 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:31:01,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.03ms. Allocated memory is still 148.9MB. Free memory was 110.1MB in the beginning and 100.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:31:01,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.94ms. Allocated memory is still 148.9MB. Free memory was 100.8MB in the beginning and 99.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:31:01,508 INFO L158 Benchmark]: Boogie Preprocessor took 27.02ms. Allocated memory is still 148.9MB. Free memory was 99.6MB in the beginning and 97.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:31:01,508 INFO L158 Benchmark]: RCFGBuilder took 207.58ms. Allocated memory is still 148.9MB. Free memory was 97.9MB in the beginning and 89.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:31:01,509 INFO L158 Benchmark]: BuchiAutomizer took 2057.46ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 89.1MB in the beginning and 115.5MB in the end (delta: -26.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-11-29 02:31:01,509 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 201.3MB. Free memory was 115.5MB in the beginning and 114.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:31:01,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.03ms. Allocated memory is still 148.9MB. Free memory was 110.1MB in the beginning and 100.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.94ms. Allocated memory is still 148.9MB. Free memory was 100.8MB in the beginning and 99.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.02ms. Allocated memory is still 148.9MB. Free memory was 99.6MB in the beginning and 97.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 207.58ms. Allocated memory is still 148.9MB. Free memory was 97.9MB in the beginning and 89.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2057.46ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 89.1MB in the beginning and 115.5MB in the end (delta: -26.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 201.3MB. Free memory was 115.5MB in the beginning and 114.5MB in the end (delta: 1.0MB). 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 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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: 160ms VariablesStem: 3 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 02:31:01,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 02:31:01,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb835838-9c70-4c77-a575-cf1fc3cc877c/bin/uautomizer-verify-BQ2R08f2Ya/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