./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --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_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/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_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/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_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/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 fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:37:26,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:37:26,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-28 20:37:26,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:37:26,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:37:26,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:37:26,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:37:26,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:37:26,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:37:26,649 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:37:26,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:37:26,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:37:26,651 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:37:26,652 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-28 20:37:26,652 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-28 20:37:26,653 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-28 20:37:26,654 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-28 20:37:26,654 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-28 20:37:26,655 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-28 20:37:26,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:37:26,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-28 20:37:26,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:37:26,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:37:26,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-28 20:37:26,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-28 20:37:26,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-28 20:37:26,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 20:37:26,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:37:26,659 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-28 20:37:26,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:37:26,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:37:26,660 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:37:26,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:37:26,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:37:26,661 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-28 20:37:26,661 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_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2023-11-28 20:37:26,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:37:26,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:37:26,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:37:26,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:37:26,891 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:37:26,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2023-11-28 20:37:29,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:37:29,838 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:37:29,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2023-11-28 20:37:29,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/data/4957a863f/1e415190872940afa5d42095103a7946/FLAG12119c84b [2023-11-28 20:37:29,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/data/4957a863f/1e415190872940afa5d42095103a7946 [2023-11-28 20:37:29,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:37:29,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:37:29,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:37:29,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:37:29,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:37:29,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:29" (1/1) ... [2023-11-28 20:37:29,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1490f786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:29, skipping insertion in model container [2023-11-28 20:37:29,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:29" (1/1) ... [2023-11-28 20:37:29,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:37:30,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:37:30,047 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:37:30,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:37:30,076 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:37:30,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30 WrapperNode [2023-11-28 20:37:30,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:37:30,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:37:30,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:37:30,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:37:30,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,110 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2023-11-28 20:37:30,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:37:30,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:37:30,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:37:30,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:37:30,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,129 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-28 20:37:30,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:37:30,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:37:30,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:37:30,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:37:30,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (1/1) ... [2023-11-28 20:37:30,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:30,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:30,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:30,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-28 20:37:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:37:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:37:30,258 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:37:30,260 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:37:30,329 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:37:30,336 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:37:30,336 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:37:30,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:30 BoogieIcfgContainer [2023-11-28 20:37:30,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:37:30,338 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-28 20:37:30,338 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-28 20:37:30,343 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-28 20:37:30,343 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:30,344 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:37:29" (1/3) ... [2023-11-28 20:37:30,345 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e7fe6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:30, skipping insertion in model container [2023-11-28 20:37:30,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:30,345 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:30" (2/3) ... [2023-11-28 20:37:30,346 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e7fe6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:30, skipping insertion in model container [2023-11-28 20:37:30,346 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:30,346 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:30" (3/3) ... [2023-11-28 20:37:30,347 INFO L332 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2023-11-28 20:37:30,398 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-28 20:37:30,398 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-28 20:37:30,399 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-28 20:37:30,399 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-28 20:37:30,399 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-28 20:37:30,399 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-28 20:37:30,399 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-28 20:37:30,399 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-28 20:37:30,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2023-11-28 20:37:30,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:30,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:30,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:30,421 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-28 20:37:30,421 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 20:37:30,421 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-28 20:37:30,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2023-11-28 20:37:30,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:30,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:30,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:30,423 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-28 20:37:30,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 20:37:30,429 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L14true assume !(main_~y~0#1 >= 113383); 6#L16-2true [2023-11-28 20:37:30,429 INFO L750 eck$LassoCheckResult]: Loop: 6#L16-2true assume !!(main_~y~0#1 > 1); 2#L16true assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 6#L16-2true [2023-11-28 20:37:30,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:30,434 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-28 20:37:30,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:30,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277174267] [2023-11-28 20:37:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:30,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:30,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:30,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:30,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:30,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2023-11-28 20:37:30,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:30,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092437814] [2023-11-28 20:37:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:30,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:30,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:30,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:30,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:30,585 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2023-11-28 20:37:30,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:30,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184468522] [2023-11-28 20:37:30,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:30,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:30,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:30,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:30,700 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:30,701 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:30,701 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:30,701 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:30,701 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:30,702 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:30,702 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:30,702 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:30,702 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2023-11-28 20:37:30,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:30,703 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:30,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:30,845 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:30,846 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:30,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:30,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:30,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:30,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-28 20:37:30,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:30,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:30,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:30,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:30,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:30,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:30,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-28 20:37:30,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:30,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:30,967 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-28 20:37:30,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-28 20:37:30,971 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:30,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:30,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:30,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:30,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:30,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:30,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:30,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:30,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2023-11-28 20:37:30,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:30,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:30,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:31,055 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:31,059 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:31,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:31,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:31,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-28 20:37:31,064 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 [2023-11-28 20:37:31,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:31,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:31,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:31,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:31,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:31,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:31,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:31,083 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 20:37:31,088 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-28 20:37:31,088 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-28 20:37:31,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:31,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:31,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-28 20:37:31,116 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 20:37:31,116 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-28 20:37:31,117 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 20:37:31,117 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-28 20:37:31,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-28 20:37:31,123 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-28 20:37:31,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:31,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:37:31,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:31,168 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:37:31,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:31,220 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 [2023-11-28 20:37:31,222 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2023-11-28 20:37:31,273 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 24 states and 32 transitions. Complement of second has 8 states. [2023-11-28 20:37:31,275 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 [2023-11-28 20:37:31,280 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) [2023-11-28 20:37:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-28 20:37:31,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-28 20:37:31,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-28 20:37:31,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-28 20:37:31,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2023-11-28 20:37:31,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:31,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 9 states and 12 transitions. [2023-11-28 20:37:31,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-28 20:37:31,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-28 20:37:31,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-11-28 20:37:31,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 20:37:31,292 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-28 20:37:31,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-11-28 20:37:31,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-28 20:37:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2023-11-28 20:37:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-11-28 20:37:31,315 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-28 20:37:31,315 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-28 20:37:31,315 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-28 20:37:31,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-11-28 20:37:31,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:31,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:31,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:31,316 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-28 20:37:31,316 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 20:37:31,317 INFO L748 eck$LassoCheckResult]: Stem: 80#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 81#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 82#L14 assume !(main_~y~0#1 >= 113383); 83#L16-2 assume !!(main_~y~0#1 > 1); 75#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 76#L16-2 [2023-11-28 20:37:31,317 INFO L750 eck$LassoCheckResult]: Loop: 76#L16-2 assume !!(main_~y~0#1 > 1); 79#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 76#L16-2 [2023-11-28 20:37:31,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,317 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2023-11-28 20:37:31,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:31,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041128601] [2023-11-28 20:37:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:31,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:31,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2023-11-28 20:37:31,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:31,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605842168] [2023-11-28 20:37:31,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:31,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:31,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2023-11-28 20:37:31,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:31,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406506714] [2023-11-28 20:37:31,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:31,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:31,411 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:31,411 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:31,411 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:31,411 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:31,411 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:31,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:31,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:31,412 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2023-11-28 20:37:31,412 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:31,412 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:31,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:31,489 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:31,489 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:31,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:31,493 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:31,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-28 20:37:31,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:31,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:31,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-28 20:37:31,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:31,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:31,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-28 20:37:31,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:31,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:31,599 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-28 20:37:31,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:31,603 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:31,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:31,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:31,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:31,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:31,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:31,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:31,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2023-11-28 20:37:31,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:31,604 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:31,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:31,685 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:31,685 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:31,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:31,686 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:31,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-28 20:37:31,689 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 [2023-11-28 20:37:31,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:31,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:31,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:31,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:31,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:31,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:31,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:31,705 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 20:37:31,709 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-28 20:37:31,709 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-28 20:37:31,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:31,713 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:31,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-28 20:37:31,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 20:37:31,719 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-28 20:37:31,719 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 20:37:31,719 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-28 20:37:31,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-28 20:37:31,724 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-28 20:37:31,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:31,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:37:31,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:31,755 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:37:31,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:31,771 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 [2023-11-28 20:37:31,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-28 20:37:31,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 13 states and 18 transitions. Complement of second has 5 states. [2023-11-28 20:37:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 20:37:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-28 20:37:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-28 20:37:31,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-28 20:37:31,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-28 20:37:31,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-28 20:37:31,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-11-28 20:37:31,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:31,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2023-11-28 20:37:31,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-28 20:37:31,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-28 20:37:31,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-28 20:37:31,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 20:37:31,795 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-28 20:37:31,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-28 20:37:31,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-28 20:37:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-28 20:37:31,797 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-28 20:37:31,797 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-28 20:37:31,797 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-28 20:37:31,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-28 20:37:31,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:31,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:31,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:31,798 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2023-11-28 20:37:31,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 20:37:31,799 INFO L748 eck$LassoCheckResult]: Stem: 144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 146#L14 assume !(main_~y~0#1 >= 113383); 147#L16-2 assume !!(main_~y~0#1 > 1); 138#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 139#L16-2 assume !!(main_~y~0#1 > 1); 148#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 142#L16-2 [2023-11-28 20:37:31,799 INFO L750 eck$LassoCheckResult]: Loop: 142#L16-2 assume !!(main_~y~0#1 > 1); 143#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 142#L16-2 [2023-11-28 20:37:31,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2023-11-28 20:37:31,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:31,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671580914] [2023-11-28 20:37:31,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:31,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:31,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-28 20:37:31,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:32,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:37:32,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671580914] [2023-11-28 20:37:32,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671580914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:37:32,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:37:32,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:37:32,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567877219] [2023-11-28 20:37:32,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:37:32,051 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 20:37:32,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:32,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2023-11-28 20:37:32,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:32,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824583662] [2023-11-28 20:37:32,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:32,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:32,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:32,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:32,090 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:32,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:32,090 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:32,090 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:32,090 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:32,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:32,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:32,090 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2023-11-28 20:37:32,090 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:32,090 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:32,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:32,159 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:32,159 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:32,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:32,160 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:32,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-28 20:37:32,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:32,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:32,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-28 20:37:32,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:32,199 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:32,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-28 20:37:32,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:32,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:32,256 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-28 20:37:32,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-28 20:37:32,260 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:32,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:32,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:32,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:32,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:32,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:32,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:32,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2023-11-28 20:37:32,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:32,261 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:32,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:32,343 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:32,343 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:32,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:32,345 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:32,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-28 20:37:32,348 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 [2023-11-28 20:37:32,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:32,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:32,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:32,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:32,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:32,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:32,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:32,365 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 20:37:32,369 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-28 20:37:32,369 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-28 20:37:32,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:32,371 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:32,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-28 20:37:32,378 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 20:37:32,378 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-28 20:37:32,378 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 20:37:32,378 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-28 20:37:32,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-28 20:37:32,383 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-28 20:37:32,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:32,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:37:32,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:32,422 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:37:32,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:32,437 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 [2023-11-28 20:37:32,437 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:32,453 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 22 transitions. Complement of second has 5 states. [2023-11-28 20:37:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 20:37:32,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-28 20:37:32,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-28 20:37:32,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:32,455 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-28 20:37:32,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:32,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:37:32,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:32,485 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:37:32,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:32,499 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-28 20:37:32,500 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:32,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 22 transitions. Complement of second has 5 states. [2023-11-28 20:37:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 20:37:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-28 20:37:32,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-28 20:37:32,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:32,516 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-28 20:37:32,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:32,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:37:32,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:32,547 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:37:32,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:32,562 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-28 20:37:32,562 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:32,577 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 25 transitions. Complement of second has 4 states. [2023-11-28 20:37:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 20:37:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-28 20:37:32,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-28 20:37:32,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:32,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-28 20:37:32,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:32,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-28 20:37:32,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:32,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2023-11-28 20:37:32,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-28 20:37:32,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2023-11-28 20:37:32,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-28 20:37:32,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-28 20:37:32,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2023-11-28 20:37:32,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 20:37:32,582 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-28 20:37:32,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2023-11-28 20:37:32,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2023-11-28 20:37:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:32,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-11-28 20:37:32,584 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-28 20:37:32,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:37:32,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:37:32,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:37:32,587 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-11-28 20:37:32,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:37:32,605 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2023-11-28 20:37:32,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2023-11-28 20:37:32,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-28 20:37:32,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2023-11-28 20:37:32,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-28 20:37:32,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-28 20:37:32,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2023-11-28 20:37:32,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 20:37:32,607 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-28 20:37:32,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2023-11-28 20:37:32,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-28 20:37:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-28 20:37:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2023-11-28 20:37:32,608 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-28 20:37:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:37:32,609 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-28 20:37:32,609 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-28 20:37:32,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2023-11-28 20:37:32,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-28 20:37:32,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:32,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:32,610 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-28 20:37:32,610 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2023-11-28 20:37:32,610 INFO L748 eck$LassoCheckResult]: Stem: 329#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 331#L14 assume !(main_~y~0#1 >= 113383); 332#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-28 20:37:32,610 INFO L750 eck$LassoCheckResult]: Loop: 325#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 326#L16-2 assume !!(main_~y~0#1 > 1); 327#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 328#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-28 20:37:32,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:32,611 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-11-28 20:37:32,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:32,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024892044] [2023-11-28 20:37:32,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:32,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:32,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:32,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:32,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:32,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2023-11-28 20:37:32,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:32,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940647207] [2023-11-28 20:37:32,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:32,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:32,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:32,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:32,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:32,632 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2023-11-28 20:37:32,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:32,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594752798] [2023-11-28 20:37:32,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:32,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:32,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:32,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:32,699 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:32,699 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:32,699 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:32,699 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:32,699 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:32,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:32,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:32,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-28 20:37:32,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:32,700 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:32,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:32,792 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:32,792 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:32,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:32,794 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:32,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-28 20:37:32,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:32,798 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:32,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-28 20:37:32,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:32,829 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:32,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-28 20:37:32,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:32,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:32,903 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-28 20:37:32,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:32,909 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:32,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:32,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:32,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:32,909 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:32,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:32,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:32,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:32,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-28 20:37:32,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:32,909 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:32,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:33,013 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:33,013 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:33,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,014 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-28 20:37:33,022 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 [2023-11-28 20:37:33,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:33,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:33,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:33,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-28 20:37:33,043 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-28 20:37:33,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,044 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-28 20:37:33,048 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 [2023-11-28 20:37:33,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:33,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,059 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:33,062 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:33,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-28 20:37:33,070 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-28 20:37:33,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,071 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-28 20:37:33,074 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 [2023-11-28 20:37:33,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:33,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,087 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:33,091 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:33,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-28 20:37:33,102 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-28 20:37:33,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,104 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-28 20:37:33,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-28 20:37:33,135 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 [2023-11-28 20:37:33,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:33,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,148 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:33,152 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:33,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-28 20:37:33,162 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-28 20:37:33,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,163 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-28 20:37:33,167 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 [2023-11-28 20:37:33,177 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:33,177 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:33,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,178 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:33,181 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:33,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-28 20:37:33,192 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-28 20:37:33,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,193 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-28 20:37:33,195 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 [2023-11-28 20:37:33,206 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:33,206 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:33,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,206 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:33,211 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:33,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-28 20:37:33,230 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-28 20:37:33,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,232 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-28 20:37:33,237 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 [2023-11-28 20:37:33,250 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:33,250 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:33,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,251 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:33,258 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:33,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-28 20:37:33,291 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-28 20:37:33,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,292 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-28 20:37:33,295 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 [2023-11-28 20:37:33,307 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:33,308 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:33,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,308 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:33,312 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:33,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-28 20:37:33,324 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-28 20:37:33,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,325 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-28 20:37:33,329 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 [2023-11-28 20:37:33,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:33,342 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:33,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:33,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:33,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:33,343 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-28 20:37:33,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:33,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:33,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:33,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-28 20:37:33,382 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:33,383 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:33,383 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:33,383 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:33,383 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:33,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:33,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:33,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-28 20:37:33,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:33,383 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:33,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:33,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:33,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:33,495 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:33,496 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:33,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,497 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:33,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:33,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-28 20:37:33,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-28 20:37:33,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,543 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-28 20:37:33,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:33,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:34,120 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-28 20:37:34,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:34,124 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:34,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:34,124 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:34,124 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:34,124 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:34,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:34,125 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:34,125 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-28 20:37:34,125 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:34,125 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:34,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:34,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:34,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:34,225 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:34,225 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:34,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,226 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-28 20:37:34,229 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 [2023-11-28 20:37:34,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:34,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:34,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-28 20:37:34,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,249 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-28 20:37:34,252 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 [2023-11-28 20:37:34,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:34,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:34,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-28 20:37:34,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,272 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-28 20:37:34,275 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 [2023-11-28 20:37:34,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:34,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:34,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:34,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-28 20:37:34,304 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-28 20:37:34,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,305 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-28 20:37:34,308 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 [2023-11-28 20:37:34,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,321 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:34,322 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:34,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-28 20:37:34,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,329 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-28 20:37:34,332 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 [2023-11-28 20:37:34,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,345 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:34,346 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:34,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,352 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-28 20:37:34,356 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 [2023-11-28 20:37:34,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,369 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:34,375 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-28 20:37:34,375 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-28 20:37:34,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:34,394 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-28 20:37:34,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,396 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-28 20:37:34,400 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 [2023-11-28 20:37:34,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,413 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:34,414 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:34,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-28 20:37:34,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,421 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-28 20:37:34,424 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 [2023-11-28 20:37:34,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,439 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:34,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:34,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:34,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,448 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,453 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 [2023-11-28 20:37:34,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-28 20:37:34,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,467 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:34,476 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-28 20:37:34,476 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-28 20:37:34,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-28 20:37:34,500 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-28 20:37:34,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,502 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-28 20:37:34,505 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 [2023-11-28 20:37:34,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,518 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:34,519 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:34,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-28 20:37:34,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,525 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-28 20:37:34,529 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 [2023-11-28 20:37:34,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,542 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:34,543 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:34,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-28 20:37:34,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,549 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-28 20:37:34,552 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 [2023-11-28 20:37:34,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:34,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,567 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:34,582 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-28 20:37:34,582 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-28 20:37:34,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-28 20:37:34,615 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-28 20:37:34,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,616 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,618 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 [2023-11-28 20:37:34,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-28 20:37:34,631 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,631 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:34,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,632 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:34,633 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:34,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-28 20:37:34,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,640 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-28 20:37:34,643 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 [2023-11-28 20:37:34,656 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,656 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:34,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,657 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:34,658 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:34,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-28 20:37:34,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,665 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-28 20:37:34,667 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 [2023-11-28 20:37:34,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,678 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:34,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,678 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:34,684 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-28 20:37:34,684 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-28 20:37:34,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-28 20:37:34,706 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-28 20:37:34,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,707 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-28 20:37:34,710 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 [2023-11-28 20:37:34,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,720 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:34,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,720 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:34,721 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:34,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-28 20:37:34,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,729 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-28 20:37:34,731 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 [2023-11-28 20:37:34,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,742 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:34,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,743 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:34,744 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:34,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-28 20:37:34,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,751 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-28 20:37:34,753 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 [2023-11-28 20:37:34,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,764 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:34,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,764 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:34,772 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-28 20:37:34,772 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-28 20:37:34,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-28 20:37:34,817 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-28 20:37:34,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,818 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-28 20:37:34,820 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 [2023-11-28 20:37:34,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,831 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:34,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,831 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:34,833 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:34,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-28 20:37:34,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,843 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-28 20:37:34,845 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 [2023-11-28 20:37:34,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,858 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:34,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,858 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:34,860 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:34,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:34,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,869 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,872 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 [2023-11-28 20:37:34,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-28 20:37:34,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,885 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:34,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,885 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:34,894 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-28 20:37:34,894 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-28 20:37:34,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:34,945 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-28 20:37:34,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,946 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-28 20:37:34,948 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 [2023-11-28 20:37:34,958 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,959 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:34,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,959 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:34,959 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:34,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:34,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,965 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-28 20:37:34,967 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 [2023-11-28 20:37:34,977 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,977 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:34,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:34,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,977 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:34,978 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:34,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:34,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:34,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:34,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:34,984 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:34,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-28 20:37:34,986 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 [2023-11-28 20:37:34,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:34,996 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:34,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:34,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:34,996 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:35,002 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-28 20:37:35,002 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-28 20:37:35,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-28 20:37:35,023 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-28 20:37:35,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,024 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-28 20:37:35,026 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 [2023-11-28 20:37:35,036 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:35,036 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:35,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,037 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-28 20:37:35,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-28 20:37:35,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,044 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-28 20:37:35,047 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 [2023-11-28 20:37:35,057 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:35,057 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:35,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,057 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-28 20:37:35,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-28 20:37:35,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,065 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-28 20:37:35,067 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 [2023-11-28 20:37:35,077 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:35,077 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:35,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,077 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-28 20:37:35,085 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-28 20:37:35,085 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-28 20:37:35,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:35,124 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-11-28 20:37:35,124 INFO L748 eck$LassoCheckResult]: Stem: 329#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 331#L14 assume !(main_~y~0#1 >= 113383); 332#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 326#L16-2 assume !!(main_~y~0#1 > 1); 327#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 328#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-28 20:37:35,124 INFO L750 eck$LassoCheckResult]: Loop: 325#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 326#L16-2 assume !!(main_~y~0#1 > 1); 327#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 328#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-28 20:37:35,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:35,125 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2023-11-28 20:37:35,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:35,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135600053] [2023-11-28 20:37:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:35,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:35,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:35,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:35,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:35,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2023-11-28 20:37:35,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:35,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411952570] [2023-11-28 20:37:35,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:35,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:35,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:35,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:35,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:35,154 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2023-11-28 20:37:35,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:35,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945742812] [2023-11-28 20:37:35,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:35,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:35,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:35,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:35,256 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:35,256 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:35,256 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:35,256 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:35,256 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:35,256 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,257 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:35,257 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:35,257 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-28 20:37:35,257 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:35,257 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:35,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,325 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:35,325 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:35,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,326 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-28 20:37:35,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:35,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:35,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-28 20:37:35,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,353 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-28 20:37:35,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:35,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:35,444 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-28 20:37:35,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-28 20:37:35,448 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:35,448 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:35,448 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:35,448 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:35,448 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:35,448 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,448 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:35,448 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:35,448 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-28 20:37:35,448 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:35,449 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:35,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,513 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:35,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:35,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,514 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-28 20:37:35,516 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 [2023-11-28 20:37:35,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:35,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-28 20:37:35,533 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-28 20:37:35,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,534 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-28 20:37:35,536 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 [2023-11-28 20:37:35,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,546 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:35,548 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:35,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-28 20:37:35,554 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-28 20:37:35,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,555 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-28 20:37:35,557 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 [2023-11-28 20:37:35,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:35,570 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:35,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:35,579 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-28 20:37:35,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,580 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-28 20:37:35,582 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 [2023-11-28 20:37:35,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,592 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:35,595 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:35,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:35,603 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-28 20:37:35,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,605 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-28 20:37:35,607 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 [2023-11-28 20:37:35,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:35,617 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:35,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,617 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:35,619 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:35,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-28 20:37:35,629 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-28 20:37:35,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,630 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-28 20:37:35,632 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 [2023-11-28 20:37:35,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:35,643 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:35,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,643 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:35,645 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:35,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-28 20:37:35,659 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-28 20:37:35,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,660 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-28 20:37:35,663 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 [2023-11-28 20:37:35,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:35,673 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:35,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,674 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:35,677 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:35,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-28 20:37:35,703 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-28 20:37:35,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,704 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-28 20:37:35,706 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 [2023-11-28 20:37:35,718 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:35,719 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:35,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,719 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:35,721 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:35,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-28 20:37:35,732 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-28 20:37:35,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,733 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-28 20:37:35,735 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 [2023-11-28 20:37:35,745 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:35,745 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:35,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,745 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-28 20:37:35,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-28 20:37:35,820 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:35,820 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:35,820 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:35,820 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:35,821 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:35,821 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,821 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:35,821 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:35,821 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-28 20:37:35,821 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:35,821 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:35,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,979 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:35,979 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:35,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,980 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-28 20:37:35,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:35,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:35,994 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-28 20:37:35,994 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: [] [2023-11-28 20:37:35,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:35,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,998 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-28 20:37:36,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:36,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:36,012 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-28 20:37:36,013 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-28 20:37:36,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-28 20:37:36,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:36,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:36,016 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:36,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-28 20:37:36,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:36,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:36,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-28 20:37:36,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:36,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:36,060 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:36,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-28 20:37:36,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:36,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:38,342 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-28 20:37:38,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-28 20:37:38,346 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:38,346 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:38,346 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:38,346 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:38,346 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:38,346 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,346 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:38,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:38,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-28 20:37:38,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:38,346 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:38,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,483 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:38,483 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:38,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,484 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-28 20:37:38,486 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 [2023-11-28 20:37:38,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-28 20:37:38,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,502 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-28 20:37:38,504 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 [2023-11-28 20:37:38,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:38,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:38,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-28 20:37:38,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,531 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-28 20:37:38,533 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 [2023-11-28 20:37:38,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-28 20:37:38,550 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-28 20:37:38,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,551 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-28 20:37:38,553 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 [2023-11-28 20:37:38,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,563 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:38,564 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:38,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,568 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-28 20:37:38,570 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 [2023-11-28 20:37:38,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,581 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:38,586 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-28 20:37:38,586 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-28 20:37:38,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-28 20:37:38,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,605 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-28 20:37:38,607 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 [2023-11-28 20:37:38,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,617 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:38,618 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:38,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-28 20:37:38,621 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-28 20:37:38,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,622 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-28 20:37:38,624 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 [2023-11-28 20:37:38,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,635 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:38,636 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:38,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-28 20:37:38,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,640 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-28 20:37:38,643 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 [2023-11-28 20:37:38,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,653 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:38,660 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-28 20:37:38,661 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-28 20:37:38,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,685 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-28 20:37:38,687 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 [2023-11-28 20:37:38,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,697 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:38,698 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:38,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,701 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-28 20:37:38,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,702 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-28 20:37:38,704 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 [2023-11-28 20:37:38,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,715 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:38,716 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:38,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2023-11-28 20:37:38,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,721 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-28 20:37:38,733 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 [2023-11-28 20:37:38,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,744 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:38,752 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-28 20:37:38,752 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-28 20:37:38,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-11-28 20:37:38,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,792 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-28 20:37:38,794 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 [2023-11-28 20:37:38,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,805 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:38,806 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:38,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-28 20:37:38,810 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-28 20:37:38,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,811 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-28 20:37:38,813 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 [2023-11-28 20:37:38,823 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:38,824 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:38,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,824 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:38,824 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:38,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-28 20:37:38,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,831 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-28 20:37:38,833 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 [2023-11-28 20:37:38,845 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:38,845 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:38,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,846 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:38,851 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-28 20:37:38,851 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-28 20:37:38,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2023-11-28 20:37:38,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,873 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-28 20:37:38,875 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 [2023-11-28 20:37:38,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:38,885 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:38,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,885 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:38,886 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-28 20:37:38,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,890 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-28 20:37:38,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,891 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-28 20:37:38,893 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 [2023-11-28 20:37:38,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:38,904 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:38,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,904 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:38,905 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:38,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-28 20:37:38,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,911 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-28 20:37:38,914 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 [2023-11-28 20:37:38,924 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:38,924 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:38,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,924 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:38,933 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-28 20:37:38,933 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-28 20:37:38,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,972 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-28 20:37:38,974 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 [2023-11-28 20:37:38,987 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:38,987 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:38,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,987 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:38,988 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:38,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,994 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-28 20:37:38,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,995 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-28 20:37:38,997 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 [2023-11-28 20:37:39,008 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,008 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:39,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:39,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,008 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:39,010 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:39,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:39,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2023-11-28 20:37:39,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,019 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-28 20:37:39,023 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 [2023-11-28 20:37:39,035 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,035 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:39,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,036 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:39,047 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-28 20:37:39,047 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-28 20:37:39,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2023-11-28 20:37:39,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,130 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-28 20:37:39,133 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 [2023-11-28 20:37:39,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,146 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:39,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:39,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,146 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:39,147 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-28 20:37:39,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:39,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2023-11-28 20:37:39,156 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-28 20:37:39,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,157 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-28 20:37:39,160 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 [2023-11-28 20:37:39,173 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,173 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:39,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:39,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,173 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:39,174 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:39,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:39,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2023-11-28 20:37:39,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,181 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-28 20:37:39,185 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 [2023-11-28 20:37:39,198 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,198 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:39,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,198 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:39,206 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-28 20:37:39,207 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-28 20:37:39,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2023-11-28 20:37:39,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,240 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-28 20:37:39,243 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 [2023-11-28 20:37:39,255 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,255 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:39,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:39,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,256 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:39,256 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-28 20:37:39,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:39,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2023-11-28 20:37:39,262 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-28 20:37:39,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,263 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-28 20:37:39,266 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 [2023-11-28 20:37:39,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,278 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:39,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:39,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,279 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-28 20:37:39,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:39,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:39,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2023-11-28 20:37:39,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,286 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-28 20:37:39,288 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 [2023-11-28 20:37:39,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,299 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:39,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,299 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-28 20:37:39,311 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-28 20:37:39,311 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-28 20:37:39,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2023-11-28 20:37:39,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,355 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-28 20:37:39,357 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 [2023-11-28 20:37:39,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:39,370 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:39,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:39,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,370 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-28 20:37:39,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:39,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:39,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2023-11-28 20:37:39,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:37:39 BoogieIcfgContainer [2023-11-28 20:37:39,383 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-28 20:37:39,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:37:39,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:37:39,384 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:37:39,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:30" (3/4) ... [2023-11-28 20:37:39,386 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 20:37:39,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:37:39,387 INFO L158 Benchmark]: Toolchain (without parser) took 9523.43ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 117.2MB in the beginning and 96.0MB in the end (delta: 21.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,388 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:37:39,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.19ms. Allocated memory is still 155.2MB. Free memory was 117.2MB in the beginning and 107.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.68ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,389 INFO L158 Benchmark]: Boogie Preprocessor took 27.96ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 105.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,389 INFO L158 Benchmark]: RCFGBuilder took 198.06ms. Allocated memory is still 155.2MB. Free memory was 105.0MB in the beginning and 96.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,389 INFO L158 Benchmark]: BuchiAutomizer took 9045.17ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 96.6MB in the beginning and 97.1MB in the end (delta: -459.1kB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,390 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 186.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:37:39,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.19ms. Allocated memory is still 155.2MB. Free memory was 117.2MB in the beginning and 107.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.68ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.96ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 105.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 198.06ms. Allocated memory is still 155.2MB. Free memory was 105.0MB in the beginning and 96.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 9045.17ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 96.6MB in the beginning and 97.1MB in the end (delta: -459.1kB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 186.6MB. Free memory is still 96.0MB. 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 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 8.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 38 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div550 bol100 ite100 ukn100 eq125 hnf96 smp30 dnf100 smp100 tf105 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 65ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 2.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" "assume !!(main_~y~0#1 > 1);" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" Loop: "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination [2023-11-28 20:37:39,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c842f6-7e1e-4045-ab20-5e8eeb4519f8/bin/uautomizer-verify-BQ2R08f2Ya/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN