./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:20:08,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:20:08,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 22:20:08,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:20:08,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:20:08,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:20:08,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:20:08,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:20:08,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:20:08,316 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:20:08,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:20:08,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:20:08,318 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:20:08,318 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:20:08,319 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:20:08,319 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:20:08,320 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:20:08,320 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:20:08,321 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:20:08,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:20:08,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:20:08,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:20:08,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:20:08,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:20:08,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:20:08,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:20:08,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:20:08,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:20:08,333 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:20:08,333 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:20:08,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:20:08,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:20:08,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:20:08,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:20:08,336 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:20:08,336 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_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2023-11-21 22:20:08,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:20:08,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:20:08,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:20:08,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:20:08,644 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:20:08,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2023-11-21 22:20:11,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:20:11,926 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:20:11,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2023-11-21 22:20:11,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/data/fcc1f288a/870d8efbee3846ac82ba1504809214d4/FLAG8b6e12089 [2023-11-21 22:20:11,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/data/fcc1f288a/870d8efbee3846ac82ba1504809214d4 [2023-11-21 22:20:11,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:20:11,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:20:11,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:11,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:20:11,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:20:11,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:11" (1/1) ... [2023-11-21 22:20:11,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc04d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:11, skipping insertion in model container [2023-11-21 22:20:11,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:11" (1/1) ... [2023-11-21 22:20:12,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:20:12,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:12,192 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:20:12,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:12,224 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:20:12,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12 WrapperNode [2023-11-21 22:20:12,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:12,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:12,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:20:12,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:20:12,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,260 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2023-11-21 22:20:12,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:12,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:20:12,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:20:12,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:20:12,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,275 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,281 INFO L187 HeapSplitter]: Split 0 memory accesses to 0 slices as follows [] [2023-11-21 22:20:12,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:20:12,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:20:12,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:20:12,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:20:12,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (1/1) ... [2023-11-21 22:20:12,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:12,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:12,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:12,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:20:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:20:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:20:12,449 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:20:12,451 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:20:12,585 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:20:12,597 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:20:12,598 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:20:12,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:12 BoogieIcfgContainer [2023-11-21 22:20:12,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:20:12,601 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:20:12,601 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:20:12,605 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:20:12,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:20:12,606 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:20:11" (1/3) ... [2023-11-21 22:20:12,608 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6915c9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:20:12, skipping insertion in model container [2023-11-21 22:20:12,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:20:12,608 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:12" (2/3) ... [2023-11-21 22:20:12,613 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6915c9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:20:12, skipping insertion in model container [2023-11-21 22:20:12,613 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:20:12,613 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:12" (3/3) ... [2023-11-21 22:20:12,615 INFO L332 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2023-11-21 22:20:12,687 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:20:12,692 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:20:12,693 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:20:12,693 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:20:12,693 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:20:12,693 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:20:12,694 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:20:12,694 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:20:12,698 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) [2023-11-21 22:20:12,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:20:12,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:20:12,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:20:12,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:20:12,725 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:20:12,726 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:20:12,726 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) [2023-11-21 22:20:12,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:20:12,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:20:12,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:20:12,728 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:20:12,728 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:20:12,736 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L14true assume !(main_~y~0#1 >= 113383); 6#L16-2true [2023-11-21 22:20:12,737 INFO L750 eck$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 [2023-11-21 22:20:12,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:12,744 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-21 22:20:12,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:12,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536775683] [2023-11-21 22:20:12,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:12,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:12,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:12,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:12,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2023-11-21 22:20:12,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:12,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675323544] [2023-11-21 22:20:12,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:12,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:12,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:12,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:12,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2023-11-21 22:20:12,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:12,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027371013] [2023-11-21 22:20:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:12,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:12,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:12,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:13,053 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:13,054 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:13,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:13,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:13,054 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:20:13,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:13,055 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:13,055 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:13,055 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2023-11-21 22:20:13,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:13,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:13,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:13,218 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:13,219 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:20:13,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:13,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:13,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:13,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:13,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:13,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:20:13,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-21 22:20:13,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:13,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:13,287 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:13,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:20:13,289 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:20:13,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:13,352 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:20:13,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:13,357 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:13,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:13,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:13,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:13,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:20:13,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:13,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:13,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:13,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2023-11-21 22:20:13,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:13,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:13,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:13,479 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:13,483 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:20:13,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:13,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:13,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:13,496 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 [2023-11-21 22:20:13,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:20:13,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:13,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:13,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:13,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:13,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:13,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:13,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:13,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:20:13,532 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-21 22:20:13,532 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 22:20:13,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:13,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:13,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:13,574 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:20:13,574 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:20:13,575 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:20:13,576 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 [] [2023-11-21 22:20:13,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:20:13,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:13,604 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:20:13,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:13,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:20:13,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:13,677 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:20:13,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:20:13,756 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 [2023-11-21 22:20:13,758 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) [2023-11-21 22:20:13,828 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. [2023-11-21 22:20:13,830 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 [2023-11-21 22:20:13,836 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) [2023-11-21 22:20:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-21 22:20:13,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-21 22:20:13,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:13,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-21 22:20:13,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:13,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-21 22:20:13,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:13,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2023-11-21 22:20:13,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:20:13,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 9 states and 12 transitions. [2023-11-21 22:20:13,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-21 22:20:13,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-21 22:20:13,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-11-21 22:20:13,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:20:13,868 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-21 22:20:13,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-11-21 22:20:13,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-21 22:20:13,896 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) [2023-11-21 22:20:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-11-21 22:20:13,898 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-21 22:20:13,898 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-21 22:20:13,899 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:20:13,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-11-21 22:20:13,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:20:13,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:20:13,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:20:13,901 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:20:13,902 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:20:13,903 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 [2023-11-21 22:20:13,903 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 [2023-11-21 22:20:13,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:13,908 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2023-11-21 22:20:13,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:13,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541389348] [2023-11-21 22:20:13,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:13,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:13,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:13,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:13,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:13,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2023-11-21 22:20:13,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:13,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827160582] [2023-11-21 22:20:13,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:13,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:13,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:13,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:13,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2023-11-21 22:20:13,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:13,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325896673] [2023-11-21 22:20:13,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:13,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:13,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:13,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:14,025 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:14,026 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:14,026 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:14,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:14,026 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:20:14,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:14,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:14,027 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:14,027 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2023-11-21 22:20:14,027 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:14,027 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:14,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:14,108 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:14,108 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:20:14,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:14,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:14,110 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:14,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:14,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:14,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:20:14,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:14,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:14,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:14,184 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:14,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:20:14,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:14,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:20:14,246 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:20:14,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:14,250 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:14,250 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:14,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:14,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:14,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:20:14,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:14,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:14,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:14,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2023-11-21 22:20:14,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:14,261 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:14,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:14,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:14,412 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:14,412 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:20:14,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:14,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:14,414 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:14,417 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 [2023-11-21 22:20:14,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:20:14,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:14,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:14,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:14,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:14,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:14,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:14,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:14,446 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:20:14,451 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:20:14,451 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:20:14,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:14,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:14,453 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:14,461 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:20:14,461 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:20:14,461 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:20:14,461 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 [] [2023-11-21 22:20:14,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:20:14,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:14,494 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:20:14,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:14,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:20:14,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:14,553 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:20:14,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:20:14,587 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 [2023-11-21 22:20:14,588 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) [2023-11-21 22:20:14,621 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. [2023-11-21 22:20:14,621 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 [2023-11-21 22:20:14,623 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) [2023-11-21 22:20:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-21 22:20:14,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-21 22:20:14,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:14,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-21 22:20:14,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:14,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-21 22:20:14,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:14,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-11-21 22:20:14,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:20:14,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2023-11-21 22:20:14,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-21 22:20:14,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:20:14,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-21 22:20:14,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:20:14,631 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 22:20:14,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-21 22:20:14,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-21 22:20:14,634 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) [2023-11-21 22:20:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-21 22:20:14,635 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 22:20:14,635 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 22:20:14,636 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:20:14,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-21 22:20:14,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:20:14,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:20:14,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:20:14,639 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2023-11-21 22:20:14,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:20:14,640 INFO L748 eck$LassoCheckResult]: Stem: 144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 146#L14 assume !(main_~y~0#1 >= 113383); 147#L16-2 assume !!(main_~y~0#1 > 1); 138#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 139#L16-2 assume !!(main_~y~0#1 > 1); 148#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 142#L16-2 [2023-11-21 22:20:14,640 INFO L750 eck$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 [2023-11-21 22:20:14,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:14,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2023-11-21 22:20:14,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:14,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493741991] [2023-11-21 22:20:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:20:15,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:20:15,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493741991] [2023-11-21 22:20:15,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493741991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:20:15,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:20:15,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:20:15,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532160680] [2023-11-21 22:20:15,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:20:15,096 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:20:15,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2023-11-21 22:20:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:15,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554190085] [2023-11-21 22:20:15,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:15,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:15,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:15,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:15,155 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:15,155 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:15,155 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:15,155 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:15,156 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:20:15,156 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:15,156 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:15,156 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:15,156 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2023-11-21 22:20:15,156 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:15,157 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:15,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:15,248 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:15,248 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:20:15,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:15,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:15,250 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:15,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:20:15,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:15,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:15,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:15,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:15,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:15,306 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:15,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:20:15,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:20:15,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:15,381 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:20:15,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:15,386 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:15,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:15,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:15,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:15,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:20:15,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:15,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:15,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:15,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2023-11-21 22:20:15,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:15,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:15,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:15,481 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:15,482 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:20:15,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:15,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:15,485 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:15,493 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 [2023-11-21 22:20:15,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:20:15,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:15,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:15,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:15,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:15,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:15,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:15,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:15,520 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:20:15,524 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:20:15,524 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:20:15,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:15,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:15,527 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:15,534 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:20:15,534 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:20:15,534 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:20:15,534 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 [] [2023-11-21 22:20:15,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:20:15,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:15,558 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:20:15,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:15,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:20:15,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:15,616 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:20:15,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:20:15,639 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 [2023-11-21 22:20:15,639 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) [2023-11-21 22:20:15,666 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. [2023-11-21 22:20:15,666 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 [2023-11-21 22:20:15,668 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) [2023-11-21 22:20:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-21 22:20:15,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-21 22:20:15,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:15,670 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:20:15,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:15,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:20:15,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:15,722 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:20:15,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:20:15,748 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 [2023-11-21 22:20:15,748 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) [2023-11-21 22:20:15,774 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. [2023-11-21 22:20:15,775 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 [2023-11-21 22:20:15,777 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) [2023-11-21 22:20:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-21 22:20:15,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-21 22:20:15,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:15,779 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:20:15,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:15,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:20:15,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:15,818 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:20:15,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:20:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:20:15,843 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 [2023-11-21 22:20:15,843 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) [2023-11-21 22:20:15,869 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. [2023-11-21 22:20:15,870 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 [2023-11-21 22:20:15,871 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) [2023-11-21 22:20:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:20:15,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-21 22:20:15,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:15,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-21 22:20:15,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:15,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-21 22:20:15,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:20:15,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2023-11-21 22:20:15,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:20:15,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2023-11-21 22:20:15,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-21 22:20:15,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:20:15,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2023-11-21 22:20:15,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:20:15,888 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-21 22:20:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2023-11-21 22:20:15,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2023-11-21 22:20:15,890 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) [2023-11-21 22:20:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-11-21 22:20:15,891 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-21 22:20:15,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:20:15,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:20:15,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:20:15,896 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) [2023-11-21 22:20:15,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:20:15,920 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2023-11-21 22:20:15,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2023-11-21 22:20:15,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:20:15,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2023-11-21 22:20:15,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-21 22:20:15,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-21 22:20:15,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2023-11-21 22:20:15,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:20:15,928 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-21 22:20:15,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2023-11-21 22:20:15,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-21 22:20:15,930 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) [2023-11-21 22:20:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2023-11-21 22:20:15,933 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-21 22:20:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:20:15,938 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-21 22:20:15,941 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:20:15,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2023-11-21 22:20:15,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:20:15,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:20:15,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:20:15,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:20:15,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2023-11-21 22:20:15,943 INFO L748 eck$LassoCheckResult]: Stem: 329#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 331#L14 assume !(main_~y~0#1 >= 113383); 332#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-21 22:20:15,943 INFO L750 eck$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 [2023-11-21 22:20:15,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-11-21 22:20:15,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:15,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963429295] [2023-11-21 22:20:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:15,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:15,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:15,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:15,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:15,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2023-11-21 22:20:15,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:15,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956049086] [2023-11-21 22:20:15,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:15,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:15,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:15,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:15,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:15,974 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2023-11-21 22:20:15,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:15,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333350496] [2023-11-21 22:20:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:15,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:15,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:15,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:16,066 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:16,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:16,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:16,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:16,066 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:20:16,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,067 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:16,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:16,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-21 22:20:16,067 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:16,067 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:16,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:16,215 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:16,215 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:20:16,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:16,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,218 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:16,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:16,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:16,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:20:16,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:16,306 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:16,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:20:16,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:16,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:20:16,415 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:20:16,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,425 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:16,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:16,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:16,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:16,426 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:20:16,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:16,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:16,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-21 22:20:16,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:16,426 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:16,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:16,559 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:16,559 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:20:16,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:16,561 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:16,575 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 [2023-11-21 22:20:16,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:20:16,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:16,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:16,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:16,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:16,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:16,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:16,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:16,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:16,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,641 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-21 22:20:16,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:16,642 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:16,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:20:16,644 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 [2023-11-21 22:20:16,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:16,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:16,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:16,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:16,655 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:16,659 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:16,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:16,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:16,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,702 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-21 22:20:16,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:16,704 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:16,714 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 [2023-11-21 22:20:16,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:16,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:16,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:16,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:16,727 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:16,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:20:16,738 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:16,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:16,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:16,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,785 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-21 22:20:16,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:16,787 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:16,795 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 [2023-11-21 22:20:16,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:20:16,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:16,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:16,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:16,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:16,809 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:16,818 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:16,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:16,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:16,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,861 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-21 22:20:16,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:16,863 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:16,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:20:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:20:16,888 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:16,888 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:16,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:16,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:16,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:16,889 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:16,893 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:16,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:16,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:16,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:16,939 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-21 22:20:16,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:16,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:16,941 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:16,944 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 [2023-11-21 22:20:16,958 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:16,958 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-21 22:20:16,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:16,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:16,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:16,959 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:16,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:20:16,966 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:16,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:16,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:17,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:17,002 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-21 22:20:17,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:17,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:17,004 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:17,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:20:17,008 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 [2023-11-21 22:20:17,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:17,019 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:17,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:17,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:17,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:17,020 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:17,032 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:17,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:17,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:17,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:17,082 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-21 22:20:17,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:17,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:17,083 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:17,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:20:17,106 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:17,106 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:17,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:17,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:17,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:17,106 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:17,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:20:17,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:17,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:17,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:17,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:17,153 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-21 22:20:17,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:17,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:17,155 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:17,157 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 [2023-11-21 22:20:17,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:20:17,170 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:17,170 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:17,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:17,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:17,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:17,170 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-21 22:20:17,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:20:17,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:17,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:17,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:17,230 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:17,230 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:17,230 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:17,230 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:17,230 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:20:17,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:17,231 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:17,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:17,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-21 22:20:17,231 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:17,231 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:17,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:17,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:17,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:17,369 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:17,369 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:20:17,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:17,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:17,375 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:17,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:17,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:17,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:20:17,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:17,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:17,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:17,439 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:17,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:20:17,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:20:17,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:18,537 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:20:18,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:18,541 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:18,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:18,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:18,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:18,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:20:18,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:18,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:18,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:18,542 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-21 22:20:18,542 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:18,542 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:18,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:18,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:18,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:18,657 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:18,657 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:20:18,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:18,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:18,661 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:18,670 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 [2023-11-21 22:20:18,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:18,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:18,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:18,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:18,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:18,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:18,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:18,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 22:20:18,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:18,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:18,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:18,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:18,724 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:18,729 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 [2023-11-21 22:20:18,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:18,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:18,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:18,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:18,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:18,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:18,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:18,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 22:20:18,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:18,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:18,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:18,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:18,777 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:18,781 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 [2023-11-21 22:20:18,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:18,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:18,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:18,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:18,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 22:20:18,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:20:18,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:20:18,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:18,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:18,851 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-21 22:20:18,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:18,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:18,853 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:18,855 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 [2023-11-21 22:20:18,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:18,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:18,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:18,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:18,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:18,870 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:18,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:18,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 22:20:18,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:18,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:18,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:18,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:18,904 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:18,907 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 [2023-11-21 22:20:18,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:18,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:18,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:18,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:18,920 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:18,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 22:20:18,921 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:18,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:18,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:18,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:18,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:18,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:18,960 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:18,963 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 [2023-11-21 22:20:18,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:18,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:18,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:18,976 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:18,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 22:20:18,982 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-21 22:20:18,982 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-21 22:20:19,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,027 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-21 22:20:19,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,028 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,031 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 [2023-11-21 22:20:19,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:19,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,043 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:19,044 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:19,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 22:20:19,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-21 22:20:19,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,071 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,075 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 [2023-11-21 22:20:19,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 22:20:19,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:19,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,086 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:19,087 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:19,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-21 22:20:19,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,103 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 22:20:19,105 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 [2023-11-21 22:20:19,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:19,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,116 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:19,124 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-21 22:20:19,124 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:20:19,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,173 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-21 22:20:19,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,175 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,181 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 [2023-11-21 22:20:19,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:19,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,194 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:19,195 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:19,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 22:20:19,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,236 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,241 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 [2023-11-21 22:20:19,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:19,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,255 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:19,256 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:19,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 22:20:19,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,286 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,289 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 [2023-11-21 22:20:19,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:19,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,303 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:19,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 22:20:19,324 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-21 22:20:19,325 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-21 22:20:19,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,370 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-21 22:20:19,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,373 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,377 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 [2023-11-21 22:20:19,390 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,390 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:19,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,391 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:19,392 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:19,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 22:20:19,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-21 22:20:19,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,423 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 22:20:19,429 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 [2023-11-21 22:20:19,439 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,439 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:19,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,440 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:19,441 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:19,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,476 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 22:20:19,477 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 [2023-11-21 22:20:19,490 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,490 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:19,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,490 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:19,501 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-21 22:20:19,501 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-21 22:20:19,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,547 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-21 22:20:19,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,548 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:20:19,565 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,566 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-21 22:20:19,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,566 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:19,567 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:19,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-21 22:20:19,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-21 22:20:19,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,599 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-21 22:20:19,600 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 [2023-11-21 22:20:19,610 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,610 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-21 22:20:19,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,611 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:19,612 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:19,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-21 22:20:19,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,627 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-21 22:20:19,631 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 [2023-11-21 22:20:19,642 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,642 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-21 22:20:19,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,642 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:19,651 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-21 22:20:19,651 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:20:19,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-21 22:20:19,707 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-21 22:20:19,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,708 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-21 22:20:19,709 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 [2023-11-21 22:20:19,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,720 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:19,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,720 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:19,722 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:19,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,753 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,757 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 [2023-11-21 22:20:19,770 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,770 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:19,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,770 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:19,772 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:19,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-21 22:20:19,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-21 22:20:19,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,808 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-21 22:20:19,809 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 [2023-11-21 22:20:19,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,820 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:19,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,820 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:19,831 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-21 22:20:19,831 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-21 22:20:19,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:19,921 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-21 22:20:19,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,922 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,925 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 [2023-11-21 22:20:19,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-21 22:20:19,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,936 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:19,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:19,937 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:19,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:19,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:19,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-21 22:20:19,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:19,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:19,972 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:19,975 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 [2023-11-21 22:20:19,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-21 22:20:19,987 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:19,987 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:19,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:19,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:19,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:19,987 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:19,988 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:19,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:20,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-21 22:20:20,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,024 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-21 22:20:20,035 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 [2023-11-21 22:20:20,046 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:20,046 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:20,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,046 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:20,054 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-21 22:20:20,054 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:20:20,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:20,099 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-21 22:20:20,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,101 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,105 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 [2023-11-21 22:20:20,118 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:20,118 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:20,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:20,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,118 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-21 22:20:20,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:20:20,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:20,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-21 22:20:20,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-21 22:20:20,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,147 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-21 22:20:20,150 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 [2023-11-21 22:20:20,161 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:20,161 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:20,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:20,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,161 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-21 22:20:20,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:20:20,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:20,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:20,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,209 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,217 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 [2023-11-21 22:20:20,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:20,230 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:20,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,230 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-21 22:20:20,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-21 22:20:20,243 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-21 22:20:20,243 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-21 22:20:20,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:20,298 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-11-21 22:20:20,298 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 [2023-11-21 22:20:20,298 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 [2023-11-21 22:20:20,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2023-11-21 22:20:20,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:20,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783927528] [2023-11-21 22:20:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:20,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:20,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:20,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:20,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2023-11-21 22:20:20,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:20,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694087400] [2023-11-21 22:20:20,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:20,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:20,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:20,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:20,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:20,330 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2023-11-21 22:20:20,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:20,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109441688] [2023-11-21 22:20:20,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:20,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:20,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:20,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:20,434 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:20,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:20,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:20,434 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:20,434 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:20:20,434 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,435 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:20,435 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:20,435 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-21 22:20:20,435 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:20,435 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:20,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:20,524 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:20,525 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:20:20,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,541 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:20,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:20,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-21 22:20:20,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-21 22:20:20,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,592 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-21 22:20:20,594 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:20:20,594 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:20,697 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:20:20,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-21 22:20:20,700 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:20,700 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:20,700 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:20,700 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:20,700 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:20:20,700 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,701 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:20,701 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:20,701 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-21 22:20:20,701 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:20,701 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:20,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:20,783 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:20,784 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:20:20,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,785 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-21 22:20:20,787 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 [2023-11-21 22:20:20,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:20,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:20,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:20,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:20,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:20,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:20,815 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-21 22:20:20,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,816 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-21 22:20:20,818 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 [2023-11-21 22:20:20,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:20,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:20,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,828 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:20,830 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:20,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:20,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-21 22:20:20,869 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-21 22:20:20,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,870 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:20:20,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-21 22:20:20,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:20,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:20,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,882 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:20,885 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:20,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:20,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-21 22:20:20,915 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-21 22:20:20,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,916 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-21 22:20:20,917 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 [2023-11-21 22:20:20,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:20,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:20,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,928 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:20,931 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:20,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:20,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:20,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:20,966 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-21 22:20:20,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:20,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:20,968 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:20,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-21 22:20:20,969 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 [2023-11-21 22:20:20,979 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:20,979 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:20,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:20,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:20,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:20,980 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:20,982 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:20,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:20,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:21,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:21,003 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-21 22:20:21,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:21,004 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:21,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-21 22:20:21,006 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 [2023-11-21 22:20:21,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:21,016 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-21 22:20:21,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:21,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:21,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:21,017 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:21,020 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:21,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:21,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:21,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-21 22:20:21,046 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-21 22:20:21,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:21,047 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:21,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-21 22:20:21,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:20:21,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:21,060 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:21,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:21,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:21,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:21,060 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:21,066 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:21,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:21,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:21,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-21 22:20:21,109 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-21 22:20:21,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:21,110 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:21,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-21 22:20:21,111 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 [2023-11-21 22:20:21,125 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:21,125 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:21,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:21,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:21,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:21,125 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:21,129 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:21,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:21,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:21,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-21 22:20:21,167 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-21 22:20:21,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:21,168 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:21,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-21 22:20:21,170 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 [2023-11-21 22:20:21,180 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:21,180 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:21,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:21,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:21,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:21,181 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-21 22:20:21,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:20:21,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:21,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:21,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:21,295 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:21,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:21,296 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:21,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:21,296 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:20:21,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:21,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:21,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-21 22:20:21,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:21,297 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:21,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:21,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:21,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:21,470 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:21,470 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:20:21,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:21,473 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:21,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-21 22:20:21,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:21,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:21,487 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:20:21,487 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: [] [2023-11-21 22:20:21,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:21,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:21,503 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:21,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-21 22:20:21,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:21,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:21,519 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:20:21,519 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: [] [2023-11-21 22:20:21,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:21,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:21,535 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:21,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-21 22:20:21,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:20:21,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:21,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-21 22:20:21,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:21,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:21,583 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:21,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-21 22:20:21,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:20:21,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:20:25,255 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:20:25,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:25,260 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:20:25,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:20:25,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:20:25,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:20:25,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:20:25,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:20:25,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:20:25,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-21 22:20:25,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:20:25,261 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:20:25,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:25,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:25,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:20:25,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:20:25,453 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:20:25,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,457 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,461 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 [2023-11-21 22:20:25,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:25,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:25,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:25,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:25,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-21 22:20:25,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:25,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,504 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,509 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 [2023-11-21 22:20:25,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-21 22:20:25,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:25,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:20:25,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:20:25,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:25,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,559 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,569 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 [2023-11-21 22:20:25,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:25,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:20:25,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:20:25,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:25,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-21 22:20:25,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:25,633 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-21 22:20:25,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,634 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,636 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 [2023-11-21 22:20:25,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:25,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,649 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:25,650 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:25,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:25,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-21 22:20:25,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:25,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,680 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,683 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 [2023-11-21 22:20:25,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,696 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:25,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-21 22:20:25,702 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-21 22:20:25,702 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-21 22:20:25,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:25,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,752 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,754 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 [2023-11-21 22:20:25,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:25,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,766 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:25,767 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:25,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:25,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-21 22:20:25,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-21 22:20:25,806 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-21 22:20:25,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,807 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,809 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 [2023-11-21 22:20:25,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-21 22:20:25,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:25,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,820 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:25,820 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:25,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:25,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-21 22:20:25,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,841 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-21 22:20:25,842 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 [2023-11-21 22:20:25,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,852 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:25,861 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-21 22:20:25,862 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:20:25,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-21 22:20:25,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,904 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-21 22:20:25,905 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 [2023-11-21 22:20:25,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:25,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:25,917 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:25,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:25,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:25,931 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-21 22:20:25,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,932 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-21 22:20:25,933 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 [2023-11-21 22:20:25,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:25,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:25,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:25,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:25,943 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:25,945 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:25,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:25,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:25,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2023-11-21 22:20:25,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:25,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:25,988 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:25,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-21 22:20:25,990 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 [2023-11-21 22:20:26,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:26,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,001 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:26,012 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-21 22:20:26,012 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-21 22:20:26,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,068 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,073 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 [2023-11-21 22:20:26,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:20:26,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,085 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:26,086 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:26,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-21 22:20:26,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,114 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-21 22:20:26,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,115 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,121 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 [2023-11-21 22:20:26,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,133 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:26,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,134 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:26,134 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:26,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-21 22:20:26,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,171 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,173 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 [2023-11-21 22:20:26,185 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,186 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:26,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,186 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:26,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-21 22:20:26,193 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-21 22:20:26,193 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-21 22:20:26,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,239 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,246 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 [2023-11-21 22:20:26,258 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,258 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:26,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,259 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-21 22:20:26,260 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-21 22:20:26,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-21 22:20:26,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,299 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-21 22:20:26,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,300 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,303 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 [2023-11-21 22:20:26,316 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,316 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-21 22:20:26,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,317 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:26,318 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:26,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-21 22:20:26,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,364 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,367 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 [2023-11-21 22:20:26,380 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,380 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-21 22:20:26,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,381 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:26,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-21 22:20:26,390 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-21 22:20:26,390 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:20:26,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,461 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,463 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 [2023-11-21 22:20:26,476 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,476 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-21 22:20:26,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,476 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:26,477 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:26,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-21 22:20:26,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,522 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-21 22:20:26,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,523 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,525 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 [2023-11-21 22:20:26,538 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,538 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:26,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,539 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:26,540 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:26,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-21 22:20:26,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,573 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,575 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 [2023-11-21 22:20:26,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-21 22:20:26,588 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,588 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:26,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,588 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:26,600 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-21 22:20:26,601 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-21 22:20:26,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,695 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,698 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 [2023-11-21 22:20:26,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,711 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:26,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,711 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-21 22:20:26,713 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-21 22:20:26,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-21 22:20:26,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,750 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-21 22:20:26,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,752 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,754 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 [2023-11-21 22:20:26,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,766 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:26,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,766 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:26,767 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:26,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-21 22:20:26,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,800 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,802 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 [2023-11-21 22:20:26,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,815 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:26,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,815 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:26,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-21 22:20:26,825 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-21 22:20:26,825 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:20:26,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,880 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,882 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 [2023-11-21 22:20:26,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,895 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-21 22:20:26,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,896 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-21 22:20:26,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-21 22:20:26,896 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:20:26,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,930 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-21 22:20:26,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,932 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,934 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 [2023-11-21 22:20:26,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:26,947 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:26,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:26,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:26,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:26,947 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-21 22:20:26,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-21 22:20:26,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:20:26,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:26,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:26,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:26,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:26,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:26,984 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:26,987 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 [2023-11-21 22:20:27,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-21 22:20:27,003 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:27,003 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:27,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:27,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:27,003 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-21 22:20:27,017 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-21 22:20:27,017 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-21 22:20:27,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:27,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:27,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:27,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:27,089 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:27,092 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 [2023-11-21 22:20:27,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-21 22:20:27,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-21 22:20:27,103 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-21 22:20:27,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:20:27,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:20:27,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:20:27,103 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-21 22:20:27,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:20:27,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:20:27,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:20:27,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2023-11-21 22:20:27,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:20:27 BoogieIcfgContainer [2023-11-21 22:20:27,142 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:20:27,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:20:27,143 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:20:27,143 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:20:27,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:12" (3/4) ... [2023-11-21 22:20:27,146 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:20:27,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:20:27,148 INFO L158 Benchmark]: Toolchain (without parser) took 15182.81ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 120.8MB in the beginning and 79.6MB in the end (delta: 41.3MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2023-11-21 22:20:27,149 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:20:27,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.02ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 112.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:20:27,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.10ms. Allocated memory is still 151.0MB. Free memory was 112.8MB in the beginning and 111.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:20:27,150 INFO L158 Benchmark]: Boogie Preprocessor took 35.44ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 110.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:20:27,150 INFO L158 Benchmark]: RCFGBuilder took 302.52ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 118.0MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:20:27,151 INFO L158 Benchmark]: BuchiAutomizer took 14541.37ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 117.4MB in the beginning and 80.6MB in the end (delta: 36.8MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. [2023-11-21 22:20:27,151 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 182.5MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:20:27,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.02ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 112.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.10ms. Allocated memory is still 151.0MB. Free memory was 112.8MB in the beginning and 111.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.44ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 110.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.52ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 118.0MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 14541.37ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 117.4MB in the beginning and 80.6MB in the end (delta: 36.8MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 182.5MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 14.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 13.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. 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: 84ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.3s 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 [2023-11-21 22:20:27,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/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_440b5d5f-7151-4fe0-a394-19b494dab054/bin/uautomizer-verify-bycVGegfSx/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