./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 e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 0.2.3-dev-e7bb482 [2023-11-06 22:41:46,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:46,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:41:46,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:46,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:46,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:46,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:46,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:46,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:46,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:46,398 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:46,399 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:41:46,399 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:41:46,401 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:41:46,401 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:41:46,402 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:41:46,402 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:41:46,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:46,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:41:46,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:41:46,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:46,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:41:46,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:41:46,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:41:46,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:41:46,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:46,408 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:41:46,409 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:46,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:46,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:46,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:46,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:41:46,413 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:41:46,413 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_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2023-11-06 22:41:46,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:46,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:46,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:46,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:46,702 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:46,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2023-11-06 22:41:49,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:49,927 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:49,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2023-11-06 22:41:49,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/data/bbc7dd8f5/7d110cbd8a804ca5880a58a774c2a8a3/FLAG3d77c3652 [2023-11-06 22:41:49,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/data/bbc7dd8f5/7d110cbd8a804ca5880a58a774c2a8a3 [2023-11-06 22:41:49,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:41:49,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:41:49,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:49,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:41:49,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:41:49,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:49" (1/1) ... [2023-11-06 22:41:49,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fd3b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:49, skipping insertion in model container [2023-11-06 22:41:49,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:49" (1/1) ... [2023-11-06 22:41:50,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:41:50,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:50,170 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:41:50,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:50,202 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:41:50,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50 WrapperNode [2023-11-06 22:41:50,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:50,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:50,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:41:50,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:41:50,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,235 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2023-11-06 22:41:50,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:50,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:41:50,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:41:50,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:41:50,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:41:50,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:41:50,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:41:50,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:41:50,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (1/1) ... [2023-11-06 22:41:50,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:50,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:50,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:50,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:41:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:41:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:41:50,402 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:41:50,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:41:50,496 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:41:50,503 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:41:50,503 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:41:50,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:50 BoogieIcfgContainer [2023-11-06 22:41:50,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:41:50,508 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:41:50,508 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:41:50,512 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:41:50,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:41:50,513 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:41:49" (1/3) ... [2023-11-06 22:41:50,515 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6af916c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:41:50, skipping insertion in model container [2023-11-06 22:41:50,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:41:50,515 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:50" (2/3) ... [2023-11-06 22:41:50,516 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6af916c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:41:50, skipping insertion in model container [2023-11-06 22:41:50,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:41:50,516 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:50" (3/3) ... [2023-11-06 22:41:50,518 INFO L332 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2023-11-06 22:41:50,578 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:41:50,578 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:41:50,579 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:41:50,579 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:41:50,579 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:41:50,579 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:41:50,579 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:41:50,580 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:41:50,585 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) [2023-11-06 22:41:50,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:41:50,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:41:50,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:41:50,609 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:41:50,609 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:41:50,610 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:41:50,610 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) [2023-11-06 22:41:50,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:41:50,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:41:50,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:41:50,612 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:41:50,612 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:41:50,621 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L14true assume !(main_~y~0#1 >= 113383); 6#L16-2true [2023-11-06 22:41:50,622 INFO L750 eck$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 [2023-11-06 22:41:50,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:50,628 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-06 22:41:50,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:50,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547852834] [2023-11-06 22:41:50,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:50,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:50,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:50,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:50,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2023-11-06 22:41:50,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:50,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621914144] [2023-11-06 22:41:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:50,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:50,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:50,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:50,777 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2023-11-06 22:41:50,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:50,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903160235] [2023-11-06 22:41:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:50,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:50,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:50,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:50,908 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:50,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:50,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:50,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:50,909 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:41:50,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:50,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:50,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:50,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2023-11-06 22:41:50,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:50,911 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:50,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:51,081 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:51,082 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:41:51,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:51,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:51,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:51,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:51,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:51,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:41:51,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:51,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:51,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:51,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:51,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:41:51,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:51,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:41:51,253 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:41:51,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:51,264 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:51,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:51,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:51,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:51,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:41:51,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:51,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:51,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:51,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2023-11-06 22:41:51,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:51,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:51,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:51,387 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:51,391 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:41:51,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:51,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:51,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:51,399 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 [2023-11-06 22:41:51,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:51,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:51,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:51,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:51,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:41:51,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:41:51,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:51,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:41:51,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:41:51,437 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-06 22:41:51,438 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:41:51,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:51,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:51,484 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:51,501 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:41:51,501 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:41:51,502 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:41:51,503 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 [] [2023-11-06 22:41:51,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:41:51,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-06 22:41:51,510 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:41:51,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:51,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:41:51,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:51,624 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:41:51,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:51,696 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 [2023-11-06 22:41:51,699 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) [2023-11-06 22:41:51,765 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. [2023-11-06 22:41:51,767 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 [2023-11-06 22:41:51,774 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) [2023-11-06 22:41:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-06 22:41:51,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-06 22:41:51,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:51,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-06 22:41:51,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:51,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-06 22:41:51,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:51,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2023-11-06 22:41:51,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:41:51,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 9 states and 12 transitions. [2023-11-06 22:41:51,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 22:41:51,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-06 22:41:51,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-11-06 22:41:51,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:41:51,797 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-06 22:41:51,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-11-06 22:41:51,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-06 22:41:51,833 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) [2023-11-06 22:41:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-11-06 22:41:51,835 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-06 22:41:51,835 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-06 22:41:51,835 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:41:51,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-11-06 22:41:51,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:41:51,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:41:51,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:41:51,838 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-06 22:41:51,838 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:41:51,839 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 [2023-11-06 22:41:51,839 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 [2023-11-06 22:41:51,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:51,845 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2023-11-06 22:41:51,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:51,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128314477] [2023-11-06 22:41:51,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:51,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:51,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:51,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:51,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:51,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2023-11-06 22:41:51,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:51,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481121330] [2023-11-06 22:41:51,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:51,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:51,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:51,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:51,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:51,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2023-11-06 22:41:51,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:51,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106224761] [2023-11-06 22:41:51,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:51,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:51,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:51,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:51,952 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:51,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:51,953 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:51,953 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:51,953 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:41:51,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:51,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:51,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:51,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2023-11-06 22:41:51,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:51,954 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:51,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:52,034 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:52,035 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:41:52,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:52,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:52,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:52,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:41:52,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:52,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:52,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:52,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:52,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:52,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:41:52,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:41:52,090 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:52,164 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:41:52,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-06 22:41:52,172 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:52,173 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:52,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:52,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:52,173 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:41:52,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:52,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:52,173 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:52,173 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2023-11-06 22:41:52,173 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:52,173 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:52,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:52,276 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:52,276 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:41:52,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:52,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:52,280 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:52,290 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 [2023-11-06 22:41:52,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:52,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:52,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:52,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:52,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:41:52,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:41:52,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:52,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:41:52,328 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:41:52,333 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:41:52,333 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 22:41:52,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:52,339 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:52,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:41:52,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:41:52,347 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:41:52,347 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:41:52,347 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 [] [2023-11-06 22:41:52,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:52,358 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:41:52,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:52,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:41:52,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:52,406 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:41:52,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:52,430 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 [2023-11-06 22:41:52,430 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) [2023-11-06 22:41:52,459 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. [2023-11-06 22:41:52,460 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 [2023-11-06 22:41:52,461 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) [2023-11-06 22:41:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-06 22:41:52,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-06 22:41:52,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:52,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-06 22:41:52,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:52,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-06 22:41:52,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:52,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-11-06 22:41:52,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:41:52,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2023-11-06 22:41:52,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-06 22:41:52,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-06 22:41:52,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-06 22:41:52,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:41:52,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-06 22:41:52,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-06 22:41:52,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-06 22:41:52,471 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) [2023-11-06 22:41:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-06 22:41:52,472 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-06 22:41:52,472 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-06 22:41:52,472 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:41:52,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-06 22:41:52,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:41:52,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:41:52,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:41:52,475 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2023-11-06 22:41:52,475 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:41:52,475 INFO L748 eck$LassoCheckResult]: Stem: 144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 146#L14 assume !(main_~y~0#1 >= 113383); 147#L16-2 assume !!(main_~y~0#1 > 1); 138#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 139#L16-2 assume !!(main_~y~0#1 > 1); 148#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 142#L16-2 [2023-11-06 22:41:52,475 INFO L750 eck$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 [2023-11-06 22:41:52,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:52,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2023-11-06 22:41:52,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:52,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413633784] [2023-11-06 22:41:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:52,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:52,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:52,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413633784] [2023-11-06 22:41:52,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413633784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:52,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:52,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:41:52,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538974972] [2023-11-06 22:41:52,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:52,784 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:41:52,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:52,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2023-11-06 22:41:52,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:52,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246160955] [2023-11-06 22:41:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:52,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:52,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:52,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:52,822 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:52,822 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:52,822 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:52,822 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:52,822 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:41:52,822 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:52,822 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:52,822 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:52,823 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2023-11-06 22:41:52,823 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:52,823 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:52,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:52,898 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:52,899 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:41:52,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:52,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:52,900 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:52,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:52,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:52,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:41:52,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:52,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:52,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:52,961 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:52,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:41:52,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:52,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:41:53,037 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:41:53,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:53,046 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:53,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:53,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:53,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:53,046 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:41:53,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:53,047 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:53,047 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:53,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2023-11-06 22:41:53,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:53,047 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:53,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:53,131 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:53,131 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:41:53,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:53,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:53,133 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:53,147 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 [2023-11-06 22:41:53,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:53,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:53,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:53,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:53,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:41:53,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:41:53,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:53,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:41:53,180 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:41:53,184 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:41:53,184 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 22:41:53,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:53,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:53,192 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:53,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:41:53,198 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:41:53,199 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:41:53,199 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 [] [2023-11-06 22:41:53,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:41:53,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:53,203 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:41:53,218 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:53,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:41:53,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:53,242 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:41:53,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:53,258 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 [2023-11-06 22:41:53,258 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) [2023-11-06 22:41:53,277 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. [2023-11-06 22:41:53,277 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 [2023-11-06 22:41:53,278 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) [2023-11-06 22:41:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-06 22:41:53,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-06 22:41:53,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:53,279 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:41:53,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:53,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:41:53,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:53,315 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:41:53,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:53,331 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 [2023-11-06 22:41:53,331 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) [2023-11-06 22:41:53,349 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. [2023-11-06 22:41:53,349 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 [2023-11-06 22:41:53,350 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) [2023-11-06 22:41:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-06 22:41:53,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-06 22:41:53,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:53,352 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:41:53,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:53,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:41:53,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:53,386 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:41:53,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:53,402 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 [2023-11-06 22:41:53,403 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) [2023-11-06 22:41:53,438 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. [2023-11-06 22:41:53,439 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 [2023-11-06 22:41:53,440 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) [2023-11-06 22:41:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-06 22:41:53,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-06 22:41:53,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:53,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-06 22:41:53,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:53,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:53,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-06 22:41:53,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:41:53,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2023-11-06 22:41:53,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 22:41:53,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2023-11-06 22:41:53,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-06 22:41:53,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-06 22:41:53,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2023-11-06 22:41:53,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:41:53,455 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-06 22:41:53,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2023-11-06 22:41:53,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2023-11-06 22:41:53,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:53,468 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) [2023-11-06 22:41:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-11-06 22:41:53,471 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-06 22:41:53,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:53,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:41:53,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:41:53,476 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) [2023-11-06 22:41:53,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:53,517 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2023-11-06 22:41:53,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2023-11-06 22:41:53,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:41:53,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2023-11-06 22:41:53,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 22:41:53,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-06 22:41:53,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2023-11-06 22:41:53,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:41:53,525 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-06 22:41:53,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2023-11-06 22:41:53,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-06 22:41:53,527 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) [2023-11-06 22:41:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2023-11-06 22:41:53,528 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-06 22:41:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:41:53,531 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-06 22:41:53,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:41:53,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2023-11-06 22:41:53,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 22:41:53,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:41:53,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:41:53,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:41:53,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2023-11-06 22:41:53,536 INFO L748 eck$LassoCheckResult]: Stem: 329#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 331#L14 assume !(main_~y~0#1 >= 113383); 332#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-06 22:41:53,536 INFO L750 eck$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 [2023-11-06 22:41:53,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:53,537 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-11-06 22:41:53,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:53,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706213392] [2023-11-06 22:41:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:53,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:53,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:53,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:53,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:53,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2023-11-06 22:41:53,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:53,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180240622] [2023-11-06 22:41:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:53,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:53,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:53,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:53,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:53,594 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2023-11-06 22:41:53,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:53,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801192493] [2023-11-06 22:41:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:53,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:53,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:53,695 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:53,695 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:53,695 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:53,696 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:53,696 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:41:53,696 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:53,696 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:53,696 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:53,696 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-06 22:41:53,696 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:53,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:53,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:53,805 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:53,805 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:41:53,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:53,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:53,808 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:53,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:41:53,818 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:53,818 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:53,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:53,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:53,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:53,866 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:53,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:41:53,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:53,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:41:53,948 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-06 22:41:53,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:53,959 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:53,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:53,959 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:53,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:53,959 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:41:53,959 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:53,959 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:53,959 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:53,959 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-06 22:41:53,959 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:53,959 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:53,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:54,094 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:54,094 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:41:54,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,108 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,113 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 [2023-11-06 22:41:54,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:54,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:41:54,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:41:54,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:41:54,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,144 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-06 22:41:54,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,146 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,154 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 [2023-11-06 22:41:54,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:54,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,168 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:54,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:41:54,171 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:41:54,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,198 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-06 22:41:54,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,200 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:41:54,208 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 [2023-11-06 22:41:54,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:54,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,221 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:54,235 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:54,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,261 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-06 22:41:54,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,263 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,273 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 [2023-11-06 22:41:54,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:41:54,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:54,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,287 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:54,293 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:41:54,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,324 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-06 22:41:54,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,326 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,335 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 [2023-11-06 22:41:54,347 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:54,348 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:54,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:41:54,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,348 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:54,352 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:41:54,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,384 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-06 22:41:54,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,386 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,394 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 [2023-11-06 22:41:54,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:54,407 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-06 22:41:54,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,408 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:54,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:41:54,413 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:54,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,437 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-06 22:41:54,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,439 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,445 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 [2023-11-06 22:41:54,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:54,459 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:54,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,459 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:54,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:41:54,467 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:41:54,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,503 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-06 22:41:54,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,504 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,508 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 [2023-11-06 22:41:54,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:54,521 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:54,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,522 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:54,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:41:54,526 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:54,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,542 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-06 22:41:54,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,543 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,548 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 [2023-11-06 22:41:54,561 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:54,561 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:54,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:54,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:54,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:54,562 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-06 22:41:54,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:41:54,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:41:54,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:54,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:54,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,610 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:54,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:54,610 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:54,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:54,611 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:41:54,611 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,611 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:54,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:54,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-06 22:41:54,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:54,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:54,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:54,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:54,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:54,736 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:54,736 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:41:54,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,737 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:54,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:54,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:41:54,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:54,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:54,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:54,806 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:54,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:41:54,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:54,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 22:41:55,402 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-06 22:41:55,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-06 22:41:55,406 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:55,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:55,406 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:55,406 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:55,406 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:41:55,406 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,406 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:55,406 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:55,407 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-06 22:41:55,407 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:55,407 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:55,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:55,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:55,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:55,532 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:55,532 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:41:55,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,535 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,541 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 [2023-11-06 22:41:55,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:55,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:41:55,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:41:55,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:55,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 22:41:55,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,577 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,584 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 [2023-11-06 22:41:55,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:55,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:41:55,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 22:41:55,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:41:55,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:55,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,616 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,619 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 [2023-11-06 22:41:55,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:41:55,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 22:41:55,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:41:55,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:41:55,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,659 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-06 22:41:55,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,661 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,669 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 [2023-11-06 22:41:55,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:55,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,681 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:55,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 22:41:55,682 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:41:55,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:55,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,696 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,705 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 [2023-11-06 22:41:55,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:55,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,718 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:55,718 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:41:55,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:55,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 22:41:55,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,745 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,749 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 [2023-11-06 22:41:55,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,762 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:55,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 22:41:55,769 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 22:41:55,769 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 22:41:55,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,806 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-06 22:41:55,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,808 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,815 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 [2023-11-06 22:41:55,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:55,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,829 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:55,830 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:55,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:55,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 22:41:55,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,845 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,848 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 [2023-11-06 22:41:55,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:55,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,861 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:55,862 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:55,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:55,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 22:41:55,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,891 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,895 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 [2023-11-06 22:41:55,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,908 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:55,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 22:41:55,917 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:41:55,917 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:41:55,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:55,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,960 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-06 22:41:55,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:55,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,961 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,965 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 [2023-11-06 22:41:55,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:55,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:55,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:55,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:55,979 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:55,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 22:41:55,980 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:41:55,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,009 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,015 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 [2023-11-06 22:41:56,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:56,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,029 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:56,030 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:41:56,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-06 22:41:56,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,063 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,067 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 [2023-11-06 22:41:56,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:56,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,080 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:56,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 22:41:56,091 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-06 22:41:56,091 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-06 22:41:56,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,141 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-06 22:41:56,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,142 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,148 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 [2023-11-06 22:41:56,161 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,161 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:56,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,161 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:56,162 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:41:56,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 22:41:56,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,182 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,191 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 [2023-11-06 22:41:56,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 22:41:56,204 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,204 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:56,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,204 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:56,210 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:41:56,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,229 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,233 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 [2023-11-06 22:41:56,245 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,245 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:56,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,246 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:56,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-06 22:41:56,255 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 22:41:56,255 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 22:41:56,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,292 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-06 22:41:56,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,294 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,297 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 [2023-11-06 22:41:56,310 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,311 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-06 22:41:56,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,311 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:56,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-06 22:41:56,320 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:56,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,350 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,353 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 [2023-11-06 22:41:56,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,366 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-06 22:41:56,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:56,368 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:56,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-06 22:41:56,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,385 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,389 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 [2023-11-06 22:41:56,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-06 22:41:56,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,403 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-06 22:41:56,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,403 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:56,413 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:41:56,413 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:41:56,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,461 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-06 22:41:56,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,462 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,466 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 [2023-11-06 22:41:56,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,480 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:56,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,480 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:56,483 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:41:56,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-06 22:41:56,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,509 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,513 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 [2023-11-06 22:41:56,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,526 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:56,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,526 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:56,529 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:41:56,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-06 22:41:56,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,547 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,550 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 [2023-11-06 22:41:56,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,563 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:56,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,564 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:56,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-06 22:41:56,578 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-06 22:41:56,578 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-06 22:41:56,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,654 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-06 22:41:56,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,655 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,660 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 [2023-11-06 22:41:56,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,673 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:56,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,673 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:56,674 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:56,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-06 22:41:56,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,693 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,696 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 [2023-11-06 22:41:56,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,709 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:56,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,709 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:56,710 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:56,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-06 22:41:56,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,729 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,733 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 [2023-11-06 22:41:56,745 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,745 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:56,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,746 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:56,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-06 22:41:56,758 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:41:56,758 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:41:56,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,788 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-06 22:41:56,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,789 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,793 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 [2023-11-06 22:41:56,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,806 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:56,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,807 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-06 22:41:56,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:41:56,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-06 22:41:56,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,831 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,836 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 [2023-11-06 22:41:56,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,849 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:56,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:56,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,849 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-06 22:41:56,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:41:56,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:56,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-06 22:41:56,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:56,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:56,872 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:56,876 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 [2023-11-06 22:41:56,889 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:56,889 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:56,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:56,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:56,889 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-06 22:41:56,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-06 22:41:56,902 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-06 22:41:56,902 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-06 22:41:56,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:56,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:56,957 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-11-06 22:41:56,957 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 [2023-11-06 22:41:56,957 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 [2023-11-06 22:41:56,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:56,958 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2023-11-06 22:41:56,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:56,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107404788] [2023-11-06 22:41:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:56,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:56,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:56,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:56,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2023-11-06 22:41:56,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:56,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294742175] [2023-11-06 22:41:56,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:56,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:56,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:56,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:56,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:56,985 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2023-11-06 22:41:56,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:56,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060738877] [2023-11-06 22:41:56,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:56,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:56,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:57,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:57,084 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:57,084 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:57,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:57,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:57,084 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:41:57,084 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:57,085 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:57,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-06 22:41:57,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:57,085 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:57,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:57,174 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:57,174 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:41:57,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,176 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:57,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:57,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-06 22:41:57,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,222 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:41:57,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-06 22:41:57,321 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-06 22:41:57,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-06 22:41:57,326 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:57,326 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:57,326 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:57,326 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:57,326 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:41:57,326 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,326 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:57,326 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:57,326 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-06 22:41:57,327 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:57,327 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:57,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:57,432 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:57,432 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:41:57,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,435 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,441 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 [2023-11-06 22:41:57,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:57,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:41:57,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:41:57,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-06 22:41:57,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,487 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-06 22:41:57,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,489 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,496 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 [2023-11-06 22:41:57,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:57,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,509 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:57,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-06 22:41:57,512 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:41:57,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,536 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-06 22:41:57,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,537 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,541 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 [2023-11-06 22:41:57,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:57,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,553 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:57,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-06 22:41:57,557 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:57,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,591 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-06 22:41:57,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,593 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,597 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 [2023-11-06 22:41:57,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:41:57,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,610 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:57,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-06 22:41:57,614 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:41:57,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,635 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-06 22:41:57,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,637 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,640 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 [2023-11-06 22:41:57,653 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:57,653 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:57,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,653 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:41:57,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-06 22:41:57,656 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:41:57,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,679 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-06 22:41:57,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,681 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,684 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 [2023-11-06 22:41:57,697 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:57,697 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-06 22:41:57,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,697 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:57,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-06 22:41:57,702 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:57,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,735 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-06 22:41:57,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,737 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,741 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 [2023-11-06 22:41:57,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-06 22:41:57,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:57,754 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:57,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,755 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:41:57,760 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:41:57,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,800 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-06 22:41:57,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,801 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,806 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 [2023-11-06 22:41:57,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:57,819 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:41:57,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,819 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:41:57,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-06 22:41:57,823 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:41:57,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,844 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-06 22:41:57,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,846 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,850 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 [2023-11-06 22:41:57,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:41:57,863 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:41:57,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:41:57,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:41:57,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:41:57,863 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-06 22:41:57,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-06 22:41:57,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:41:57,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:41:57,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:41:57,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,960 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:41:57,960 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:41:57,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:41:57,960 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:41:57,960 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:41:57,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:57,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:41:57,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:41:57,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-06 22:41:57,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:41:57,961 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:41:57,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:57,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:57,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:41:58,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:41:58,155 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:41:58,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:58,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:58,157 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:58,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:58,165 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:58,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-06 22:41:58,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:41:58,187 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: [] [2023-11-06 22:41:58,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:58,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:58,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:58,192 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:58,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:58,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:58,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-06 22:41:58,240 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:41:58,240 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: [] [2023-11-06 22:41:58,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:58,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:58,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:58,245 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:58,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:41:58,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:58,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-06 22:41:58,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:58,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:41:58,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:58,317 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:58,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:41:58,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:41:58,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-06 22:42:00,811 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:42:00,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-06 22:42:00,816 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:42:00,816 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:42:00,816 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:42:00,816 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:42:00,816 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:42:00,816 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:00,816 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:42:00,816 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:42:00,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-06 22:42:00,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:42:00,817 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:42:00,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:42:00,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:42:00,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:42:01,043 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:42:01,044 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:42:01,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,045 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,053 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 [2023-11-06 22:42:01,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:42:01,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:42:01,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-06 22:42:01,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,084 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,088 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 [2023-11-06 22:42:01,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:42:01,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-06 22:42:01,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:42:01,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:42:01,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,132 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,136 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 [2023-11-06 22:42:01,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:42:01,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:42:01,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-06 22:42:01,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,165 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-06 22:42:01,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,167 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,170 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 [2023-11-06 22:42:01,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,183 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:42:01,184 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:42:01,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-06 22:42:01,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,205 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,209 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 [2023-11-06 22:42:01,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-06 22:42:01,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,219 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:42:01,227 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 22:42:01,227 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 22:42:01,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-06 22:42:01,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,251 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-06 22:42:01,258 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 [2023-11-06 22:42:01,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,269 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:42:01,269 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:42:01,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-06 22:42:01,287 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-06 22:42:01,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,288 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-06 22:42:01,291 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 [2023-11-06 22:42:01,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,301 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:01,302 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:42:01,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-06 22:42:01,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,308 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-06 22:42:01,310 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 [2023-11-06 22:42:01,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,320 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:01,331 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:42:01,332 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:42:01,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,365 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,372 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 [2023-11-06 22:42:01,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,385 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:01,386 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:42:01,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-06 22:42:01,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,403 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-06 22:42:01,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,405 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,412 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 [2023-11-06 22:42:01,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,426 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:42:01,426 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:42:01,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-06 22:42:01,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,456 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,461 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 [2023-11-06 22:42:01,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-06 22:42:01,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,474 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:42:01,488 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-06 22:42:01,488 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-06 22:42:01,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,532 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,536 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 [2023-11-06 22:42:01,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:42:01,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,549 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:42:01,550 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:42:01,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-06 22:42:01,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,567 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-06 22:42:01,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,568 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,572 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 [2023-11-06 22:42:01,584 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,584 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:42:01,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,585 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:42:01,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-06 22:42:01,587 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:42:01,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,604 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,608 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 [2023-11-06 22:42:01,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-06 22:42:01,620 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,621 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:42:01,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,621 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:42:01,628 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 22:42:01,628 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 22:42:01,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,659 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,664 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 [2023-11-06 22:42:01,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,677 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:42:01,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,677 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:42:01,678 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:42:01,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-06 22:42:01,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,699 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-06 22:42:01,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,700 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,708 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 [2023-11-06 22:42:01,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,721 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-06 22:42:01,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,722 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:01,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-06 22:42:01,723 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:42:01,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,740 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,743 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 [2023-11-06 22:42:01,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,756 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-06 22:42:01,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,757 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:01,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-06 22:42:01,767 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:42:01,767 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:42:01,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,817 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,824 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 [2023-11-06 22:42:01,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-06 22:42:01,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,839 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-06 22:42:01,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,839 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:01,840 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:42:01,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2023-11-06 22:42:01,867 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-06 22:42:01,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,868 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-06 22:42:01,870 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 [2023-11-06 22:42:01,881 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,881 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:42:01,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,882 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:42:01,883 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:42:01,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:01,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2023-11-06 22:42:01,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,893 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-06 22:42:01,895 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 [2023-11-06 22:42:01,906 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,906 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:42:01,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,906 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:42:01,917 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-06 22:42:01,917 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-06 22:42:01,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:01,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:01,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,985 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-06 22:42:01,987 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 [2023-11-06 22:42:01,997 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:01,998 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:42:01,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:01,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:01,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:01,998 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-06 22:42:01,999 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-06 22:42:01,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:02,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:02,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2023-11-06 22:42:02,007 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-06 22:42:02,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:02,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,008 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-06 22:42:02,011 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 [2023-11-06 22:42:02,021 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:02,021 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:42:02,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:02,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:02,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:02,022 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:02,022 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:42:02,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:02,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:02,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2023-11-06 22:42:02,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:02,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,037 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-06 22:42:02,040 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 [2023-11-06 22:42:02,050 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:02,050 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:42:02,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:02,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:02,051 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:02,066 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:42:02,066 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:42:02,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:02,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:02,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:02,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,097 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-06 22:42:02,099 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 [2023-11-06 22:42:02,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:02,109 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-06 22:42:02,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:02,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:02,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:02,109 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:42:02,110 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:42:02,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:02,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:02,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:02,115 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-06 22:42:02,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:02,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,116 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-06 22:42:02,119 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 [2023-11-06 22:42:02,129 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:02,129 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:42:02,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:02,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:02,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:02,130 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-06 22:42:02,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:42:02,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:02,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:02,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2023-11-06 22:42:02,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:02,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,168 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,172 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 [2023-11-06 22:42:02,185 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:02,185 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:42:02,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:02,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:02,185 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-06 22:42:02,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-06 22:42:02,199 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-06 22:42:02,199 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-06 22:42:02,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:02,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:02,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:02,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,259 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-06 22:42:02,261 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 [2023-11-06 22:42:02,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-06 22:42:02,272 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-06 22:42:02,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:42:02,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:42:02,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:42:02,272 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-06 22:42:02,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:42:02,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:42:02,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:42:02,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:02,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:42:02 BoogieIcfgContainer [2023-11-06 22:42:02,309 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:42:02,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:42:02,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:42:02,309 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:42:02,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:50" (3/4) ... [2023-11-06 22:42:02,311 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:42:02,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:42:02,313 INFO L158 Benchmark]: Toolchain (without parser) took 12346.44ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 127.8MB in the beginning and 84.1MB in the end (delta: 43.7MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2023-11-06 22:42:02,313 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:02,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.27ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 118.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:42:02,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.30ms. Allocated memory is still 174.1MB. Free memory was 118.8MB in the beginning and 117.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:42:02,313 INFO L158 Benchmark]: Boogie Preprocessor took 24.34ms. Allocated memory is still 174.1MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:02,314 INFO L158 Benchmark]: RCFGBuilder took 244.39ms. Allocated memory is still 174.1MB. Free memory was 116.1MB in the beginning and 107.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:42:02,314 INFO L158 Benchmark]: BuchiAutomizer took 11801.39ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 107.5MB in the beginning and 84.1MB in the end (delta: 23.4MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2023-11-06 22:42:02,314 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 209.7MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:02,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.27ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 118.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.30ms. Allocated memory is still 174.1MB. Free memory was 118.8MB in the beginning and 117.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.34ms. Allocated memory is still 174.1MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 244.39ms. Allocated memory is still 174.1MB. Free memory was 116.1MB in the beginning and 107.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 11801.39ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 107.5MB in the beginning and 84.1MB in the end (delta: 23.4MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 209.7MB. Free memory is still 84.1MB. 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 11.7s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 10.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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, 0.1s 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: 86ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 3.2s 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 [2023-11-06 22:42:02,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ea6b2c-cf54-4f31-bf65-ba4a79b73f30/bin/uautomizer-verify-WvqO1wxjHP/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