./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:10:46,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:10:46,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 03:10:46,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:10:46,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:10:46,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:10:46,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:10:46,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:10:46,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:10:46,422 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:10:46,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:10:46,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:10:46,422 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:10:46,422 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:10:46,422 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:10:46,423 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:10:46,423 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:10:46,423 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:10:46,425 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:10:46,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:10:46,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:10:46,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:10:46,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:10:46,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:10:46,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:10:46,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:10:46,428 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:10:46,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:10:46,428 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:10:46,428 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:10:46,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:10:46,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:10:46,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:10:46,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:10:46,430 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:10:46,431 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:10:46,431 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2024-11-28 03:10:46,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:10:46,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:10:46,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:10:46,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:10:46,877 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:10:46,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2024-11-28 03:10:50,302 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/data/d5974044f/00ad68beff3b42098131be9abe7fb926/FLAG2a5fb0f1d [2024-11-28 03:10:50,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:10:50,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2024-11-28 03:10:50,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/data/d5974044f/00ad68beff3b42098131be9abe7fb926/FLAG2a5fb0f1d [2024-11-28 03:10:50,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/data/d5974044f/00ad68beff3b42098131be9abe7fb926 [2024-11-28 03:10:50,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:10:50,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:10:50,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:10:50,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:10:50,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:10:50,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:50,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ff1881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50, skipping insertion in model container [2024-11-28 03:10:50,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:50,727 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:10:50,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:10:50,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:10:50,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:10:50,964 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:10:50,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50 WrapperNode [2024-11-28 03:10:50,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:10:50,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:10:50,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:10:50,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:10:50,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:50,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:50,996 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-28 03:10:50,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:10:50,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:10:50,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:10:50,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:10:51,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,017 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 03:10:51,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,020 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:10:51,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:10:51,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:10:51,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:10:51,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (1/1) ... [2024-11-28 03:10:51,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:51,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:51,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:51,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:10:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:10:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:10:51,193 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:10:51,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:10:51,303 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 03:10:51,304 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:10:51,315 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:10:51,315 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:10:51,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:51 BoogieIcfgContainer [2024-11-28 03:10:51,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:10:51,317 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:10:51,317 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:10:51,324 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:10:51,325 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:10:51,325 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:10:50" (1/3) ... [2024-11-28 03:10:51,326 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bc849cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:10:51, skipping insertion in model container [2024-11-28 03:10:51,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:10:51,327 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:50" (2/3) ... [2024-11-28 03:10:51,327 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bc849cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:10:51, skipping insertion in model container [2024-11-28 03:10:51,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:10:51,328 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:51" (3/3) ... [2024-11-28 03:10:51,329 INFO L363 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2024-11-28 03:10:51,389 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:10:51,389 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:10:51,390 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:10:51,390 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:10:51,390 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:10:51,390 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:10:51,390 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:10:51,390 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:10:51,396 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) [2024-11-28 03:10:51,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:10:51,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:10:51,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:10:51,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 03:10:51,419 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:10:51,419 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:10:51,420 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) [2024-11-28 03:10:51,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:10:51,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:10:51,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:10:51,421 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 03:10:51,421 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:10:51,429 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" [2024-11-28 03:10:51,430 INFO L749 eck$LassoCheckResult]: Loop: "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);" [2024-11-28 03:10:51,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:51,437 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-28 03:10:51,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:51,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905634124] [2024-11-28 03:10:51,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:51,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:51,539 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:51,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:51,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:51,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1383, now seen corresponding path program 1 times [2024-11-28 03:10:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209328288] [2024-11-28 03:10:51,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:51,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:51,601 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:51,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:51,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:51,615 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2024-11-28 03:10:51,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:51,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828087360] [2024-11-28 03:10:51,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:51,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:51,628 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:51,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:51,748 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:51,749 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:51,749 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:51,750 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:51,750 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:10:51,750 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:51,750 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:51,750 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:51,751 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2024-11-28 03:10:51,751 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:51,751 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:51,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:51,939 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:51,940 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:10:51,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:51,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:51,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:51,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 03:10:51,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:10:51,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:51,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 03:10:51,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:51,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:52,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:52,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 03:10:52,005 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:10:52,005 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:52,095 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:10:52,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 03:10:52,101 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:52,101 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:52,101 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:52,101 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:52,101 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:10:52,101 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:52,101 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:52,101 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:52,101 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2024-11-28 03:10:52,101 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:52,101 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:52,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:52,266 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:52,271 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:10:52,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:52,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:52,275 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:52,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 03:10:52,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:52,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:52,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:52,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:52,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:52,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:10:52,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:10:52,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:52,323 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:10:52,330 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-28 03:10:52,335 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 03:10:52,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:52,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:52,344 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:52,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:10:52,348 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:10:52,348 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:10:52,349 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:10:52,349 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-28 03:10:52,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 03:10:52,365 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:10:52,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:52,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:10:52,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:52,444 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:10:52,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:10:52,519 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 03:10:52,521 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) [2024-11-28 03:10:52,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 03:10:52,613 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 21 states and 28 transitions. Complement of second has 6 states. [2024-11-28 03:10:52,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:10:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:10:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-28 03:10:52,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-28 03:10:52,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:52,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-28 03:10:52,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:52,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-28 03:10:52,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:52,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2024-11-28 03:10:52,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:10:52,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 9 states and 12 transitions. [2024-11-28 03:10:52,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-28 03:10:52,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-28 03:10:52,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-28 03:10:52,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:10:52,639 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-28 03:10:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-28 03:10:52,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-28 03:10:52,670 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) [2024-11-28 03:10:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-28 03:10:52,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-28 03:10:52,672 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-28 03:10:52,672 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:10:52,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-28 03:10:52,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:10:52,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:10:52,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:10:52,676 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 03:10:52,676 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:10:52,677 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" "assume main_~y~0#1 > 1;" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" [2024-11-28 03:10:52,677 INFO L749 eck$LassoCheckResult]: Loop: "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);" [2024-11-28 03:10:52,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2024-11-28 03:10:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:52,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817032026] [2024-11-28 03:10:52,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:52,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:52,699 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:52,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:52,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:52,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1383, now seen corresponding path program 2 times [2024-11-28 03:10:52,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255875077] [2024-11-28 03:10:52,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:52,719 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:52,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:52,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:52,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1806941170, now seen corresponding path program 1 times [2024-11-28 03:10:52,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:52,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023514817] [2024-11-28 03:10:52,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:52,752 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:52,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:52,812 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:52,812 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:52,812 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:52,812 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:52,813 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:10:52,813 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:52,813 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:52,813 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:52,813 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2024-11-28 03:10:52,813 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:52,813 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:52,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:52,903 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:52,904 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:10:52,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:52,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:52,906 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:52,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 03:10:52,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:10:52,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:52,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:52,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:52,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:52,956 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:52,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 03:10:52,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:10:52,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:53,014 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:10:53,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 03:10:53,019 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:53,020 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:53,020 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:53,020 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:53,020 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:10:53,020 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:53,020 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:53,020 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:53,020 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2024-11-28 03:10:53,020 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:53,020 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:53,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:53,120 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:53,120 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:10:53,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:53,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:53,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:53,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 03:10:53,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:53,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:53,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:53,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:53,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:53,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:10:53,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:10:53,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:53,150 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:10:53,156 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:10:53,156 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:10:53,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:53,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:53,159 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:53,164 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:10:53,164 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:10:53,164 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:10:53,165 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-28 03:10:53,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 03:10:53,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 03:10:53,176 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:10:53,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:53,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:10:53,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:53,237 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:10:53,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:10:53,272 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 03:10:53,273 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) [2024-11-28 03:10:53,306 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. [2024-11-28 03:10:53,308 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 [2024-11-28 03:10:53,309 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) [2024-11-28 03:10:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-28 03:10:53,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-28 03:10:53,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:53,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 03:10:53,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:53,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-28 03:10:53,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:53,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2024-11-28 03:10:53,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:10:53,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2024-11-28 03:10:53,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-28 03:10:53,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 03:10:53,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2024-11-28 03:10:53,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:10:53,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-28 03:10:53,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2024-11-28 03:10:53,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-28 03:10:53,317 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) [2024-11-28 03:10:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-11-28 03:10:53,319 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-28 03:10:53,319 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-28 03:10:53,319 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:10:53,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2024-11-28 03:10:53,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:10:53,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:10:53,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:10:53,322 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2024-11-28 03:10:53,323 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:10:53,323 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" "assume main_~y~0#1 > 1;" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume main_~y~0#1 > 1;" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" [2024-11-28 03:10:53,323 INFO L749 eck$LassoCheckResult]: Loop: "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);" [2024-11-28 03:10:53,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:53,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1806941172, now seen corresponding path program 2 times [2024-11-28 03:10:53,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:53,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231786004] [2024-11-28 03:10:53,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:53,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:53,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:10:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231786004] [2024-11-28 03:10:53,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231786004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:53,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177405846] [2024-11-28 03:10:53,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:53,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:53,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:53,645 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:53,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:10:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:53,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:10:53,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:53,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:10:53,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:53,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177405846] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:10:53,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:10:53,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 03:10:53,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889561446] [2024-11-28 03:10:53,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:10:53,911 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:10:53,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:53,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1383, now seen corresponding path program 3 times [2024-11-28 03:10:53,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:53,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257914734] [2024-11-28 03:10:53,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:53,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:53,930 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:53,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:53,982 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:53,982 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:53,982 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:53,982 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:53,982 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:10:53,983 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:53,983 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:53,983 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:53,983 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2024-11-28 03:10:53,983 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:53,983 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:53,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:54,092 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:54,093 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:10:54,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:54,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:54,095 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:54,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 03:10:54,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:10:54,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:54,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 03:10:54,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:54,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:54,149 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:54,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 03:10:54,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:10:54,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:54,219 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:10:54,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 03:10:54,223 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:54,223 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:54,223 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:54,223 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:54,223 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:10:54,223 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:54,223 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:54,223 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:54,223 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2024-11-28 03:10:54,223 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:54,224 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:54,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:54,346 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:54,346 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:10:54,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:54,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:54,350 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:54,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:54,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 03:10:54,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:54,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:54,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:54,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:54,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:10:54,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:10:54,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:54,389 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:10:54,394 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:10:54,394 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 03:10:54,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:54,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:54,399 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:54,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 03:10:54,402 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:10:54,402 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:10:54,403 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:10:54,403 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-28 03:10:54,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:54,416 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:10:54,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:54,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:10:54,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:54,486 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:10:54,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:10:54,512 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 03:10:54,512 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) [2024-11-28 03:10:54,541 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. [2024-11-28 03:10:54,542 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 [2024-11-28 03:10:54,543 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) [2024-11-28 03:10:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-28 03:10:54,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 03:10:54,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:54,543 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:10:54,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:54,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:10:54,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:54,605 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:10:54,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:10:54,630 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 [2024-11-28 03:10:54,631 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) [2024-11-28 03:10:54,659 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. [2024-11-28 03:10:54,661 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 [2024-11-28 03:10:54,662 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) [2024-11-28 03:10:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-28 03:10:54,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 03:10:54,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:54,662 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:10:54,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:54,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:10:54,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:54,723 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:10:54,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:10:54,753 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 [2024-11-28 03:10:54,754 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) [2024-11-28 03:10:54,789 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. [2024-11-28 03:10:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:10:54,791 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) [2024-11-28 03:10:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-28 03:10:54,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 03:10:54,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:54,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-28 03:10:54,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:54,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 03:10:54,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:10:54,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2024-11-28 03:10:54,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:10:54,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2024-11-28 03:10:54,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-28 03:10:54,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 03:10:54,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2024-11-28 03:10:54,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:10:54,797 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-28 03:10:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2024-11-28 03:10:54,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2024-11-28 03:10:54,800 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) [2024-11-28 03:10:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-11-28 03:10:54,801 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-28 03:10:54,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:10:54,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:10:54,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:10:54,806 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:10:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:54,852 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2024-11-28 03:10:54,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2024-11-28 03:10:54,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 03:10:54,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 10 states and 13 transitions. [2024-11-28 03:10:54,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-28 03:10:54,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-28 03:10:54,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2024-11-28 03:10:54,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:10:54,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-28 03:10:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2024-11-28 03:10:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2024-11-28 03:10:54,859 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) [2024-11-28 03:10:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-11-28 03:10:54,860 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-28 03:10:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:10:54,861 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-28 03:10:54,863 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 03:10:54,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2024-11-28 03:10:54,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:10:54,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:10:54,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:10:54,864 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 03:10:54,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-28 03:10:54,867 INFO L747 eck$LassoCheckResult]: 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;" [2024-11-28 03:10:54,867 INFO L749 eck$LassoCheckResult]: 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;" [2024-11-28 03:10:54,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:54,868 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2024-11-28 03:10:54,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:54,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393755691] [2024-11-28 03:10:54,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:54,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:54,873 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:54,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:54,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:54,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1562227, now seen corresponding path program 1 times [2024-11-28 03:10:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:54,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388116380] [2024-11-28 03:10:54,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:54,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:54,891 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:54,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:54,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:54,901 INFO L85 PathProgramCache]: Analyzing trace with hash 180601435, now seen corresponding path program 2 times [2024-11-28 03:10:54,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:54,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097084124] [2024-11-28 03:10:54,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:54,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:54,912 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:54,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:55,002 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:55,002 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:55,003 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:55,003 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:55,003 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:10:55,003 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,003 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:55,003 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:55,003 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2024-11-28 03:10:55,003 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:55,003 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:55,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:55,162 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:55,162 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:10:55,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,167 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 03:10:55,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:10:55,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:55,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:55,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,220 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 03:10:55,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:10:55,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:55,376 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:10:55,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 03:10:55,380 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:55,380 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:55,380 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:55,380 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:55,380 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:10:55,380 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,380 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:55,380 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:55,380 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2024-11-28 03:10:55,380 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:55,380 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:55,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:55,519 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:55,519 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:10:55,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,523 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:55,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 03:10:55,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:55,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:55,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:55,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:55,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:10:55,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:10:55,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:55,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:55,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 03:10:55,565 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 03:10:55,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,572 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 03:10:55,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:55,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:55,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:55,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:55,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:55,598 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:55,603 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:10:55,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:55,612 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:55,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:55,623 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 03:10:55,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,626 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,631 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 [2024-11-28 03:10:55,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 03:10:55,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:55,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:55,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:55,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:55,651 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:55,658 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:55,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:55,670 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:55,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 03:10:55,681 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-28 03:10:55,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,684 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 03:10:55,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:55,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:55,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:55,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:55,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:55,708 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:55,717 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:10:55,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:55,729 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:55,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:55,740 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-28 03:10:55,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,743 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 03:10:55,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:55,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:55,767 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:55,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:55,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:55,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:55,768 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:55,772 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:10:55,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:55,783 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:55,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 03:10:55,795 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-28 03:10:55,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,798 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:55,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 03:10:55,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:55,822 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-28 03:10:55,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:55,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:55,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:55,822 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:55,833 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:55,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:55,861 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:55,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:55,873 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-28 03:10:55,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,876 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:55,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 03:10:55,900 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:55,901 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:55,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:55,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:55,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:55,901 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:55,910 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:10:55,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:55,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:55,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:55,969 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-28 03:10:55,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:55,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:55,972 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:55,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 03:10:55,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:55,991 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:55,991 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:55,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:55,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:55,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:55,991 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:55,996 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:55,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:56,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:56,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 03:10:56,017 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-28 03:10:56,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:56,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:56,020 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:56,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:56,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 03:10:56,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:56,044 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:56,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:56,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:56,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:56,044 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-28 03:10:56,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:10:56,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:56,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:56,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:56,102 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:56,102 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:56,102 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:56,102 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:56,103 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:10:56,103 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:56,103 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:56,103 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:56,103 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2024-11-28 03:10:56,103 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:56,103 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:56,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:56,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:56,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:56,269 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:56,270 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:10:56,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:56,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:56,272 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:56,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 03:10:56,280 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:10:56,280 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:56,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:56,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:56,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:56,331 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:56,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 03:10:56,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:10:56,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:56,976 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:10:56,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 03:10:56,987 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:56,987 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:56,987 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:56,987 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:56,987 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:10:56,987 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:56,987 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:56,987 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:56,987 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2024-11-28 03:10:56,987 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:56,987 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:56,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:57,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:57,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:57,156 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:57,156 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:10:57,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,163 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 03:10:57,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:10:57,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:10:57,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:10:57,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,221 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 03:10:57,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:10:57,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:10:57,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,248 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,261 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 03:10:57,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:10:57,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:10:57,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,287 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,298 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 03:10:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,300 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 03:10:57,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,323 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:57,331 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 03:10:57,331 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 03:10:57,349 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,362 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 03:10:57,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,386 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:57,387 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:10:57,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,389 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 03:10:57,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,403 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 03:10:57,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:57,429 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:10:57,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,431 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,439 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 03:10:57,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,441 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 03:10:57,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:57,470 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 03:10:57,470 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 03:10:57,501 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 03:10:57,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,514 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 03:10:57,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,538 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:57,539 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:57,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,543 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,557 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 03:10:57,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,581 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:57,581 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:57,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,584 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-28 03:10:57,595 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-28 03:10:57,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,597 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 03:10:57,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,621 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:57,633 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-11-28 03:10:57,634 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-11-28 03:10:57,666 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,679 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 03:10:57,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,704 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:57,704 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:10:57,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,721 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 03:10:57,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:57,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,745 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:57,746 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:10:57,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,752 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,763 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-28 03:10:57,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,765 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 03:10:57,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:57,783 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:57,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,783 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:57,798 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 03:10:57,798 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 03:10:57,828 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,845 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 03:10:57,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,869 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:57,869 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:57,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,870 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:57,870 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:10:57,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,875 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,888 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 03:10:57,912 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:57,912 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:57,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:57,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,912 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:57,913 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:10:57,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:57,917 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:57,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:57,928 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-28 03:10:57,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:57,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:57,931 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:57,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 03:10:57,955 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:57,956 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-28 03:10:57,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:57,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:57,956 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:57,977 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 03:10:57,978 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 03:10:58,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-28 03:10:58,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,044 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 03:10:58,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,070 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,070 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-28 03:10:58,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:58,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,071 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:58,072 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:58,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:58,079 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-28 03:10:58,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,093 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 03:10:58,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,117 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,117 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-28 03:10:58,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:58,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,117 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:58,119 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:58,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:58,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-28 03:10:58,136 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-28 03:10:58,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,139 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-28 03:10:58,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,157 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,157 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:58,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,158 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:58,172 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-11-28 03:10:58,173 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-11-28 03:10:58,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-28 03:10:58,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,284 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 03:10:58,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,303 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,303 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:58,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:58,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,303 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:58,305 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:10:58,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:58,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-28 03:10:58,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,329 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-28 03:10:58,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,352 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:58,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:58,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,353 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:58,354 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:10:58,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:58,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:58,372 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-28 03:10:58,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,375 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-28 03:10:58,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,399 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:58,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,399 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:58,409 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 03:10:58,410 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 03:10:58,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:58,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,451 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-28 03:10:58,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,473 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,474 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:58,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:58,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,474 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:58,475 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:58,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:58,478 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-28 03:10:58,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,495 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-28 03:10:58,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,517 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:58,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:58,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,518 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:58,519 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:58,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:58,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:58,536 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-28 03:10:58,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,541 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-28 03:10:58,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,565 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,565 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:58,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,566 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-28 03:10:58,583 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2024-11-28 03:10:58,583 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-11-28 03:10:58,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:58,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,667 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-28 03:10:58,670 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 [2024-11-28 03:10:58,684 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,684 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:58,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:58,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,685 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-28 03:10:58,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:10:58,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:58,692 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-28 03:10:58,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:58,706 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:58,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-28 03:10:58,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:58,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:58,730 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:58,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:58,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:58,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:58,731 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-28 03:10:58,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:10:58,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:58,738 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:58,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:58,750 INFO L366 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2024-11-28 03:10:58,751 INFO L747 eck$LassoCheckResult]: 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;" [2024-11-28 03:10:58,751 INFO L749 eck$LassoCheckResult]: 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;" [2024-11-28 03:10:58,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:58,751 INFO L85 PathProgramCache]: Analyzing trace with hash 180601435, now seen corresponding path program 3 times [2024-11-28 03:10:58,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:58,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256499370] [2024-11-28 03:10:58,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:58,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:58,775 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:58,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:58,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:58,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1562227, now seen corresponding path program 2 times [2024-11-28 03:10:58,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:58,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334829349] [2024-11-28 03:10:58,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:58,811 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:58,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:58,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:58,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1541481523, now seen corresponding path program 4 times [2024-11-28 03:10:58,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:10:58,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537442431] [2024-11-28 03:10:58,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:58,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:58,854 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:58,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:10:58,939 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:58,939 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:58,939 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:58,939 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:58,939 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:10:58,939 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:58,940 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:58,940 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:58,940 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2024-11-28 03:10:58,940 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:58,940 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:58,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:59,064 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:59,064 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:10:59,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,067 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-28 03:10:59,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:10:59,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:59,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:59,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,109 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:10:59,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:10:59,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-28 03:10:59,234 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:10:59,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:59,238 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:59,238 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:59,238 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:59,238 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:59,238 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:10:59,238 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,239 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:59,239 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:59,239 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2024-11-28 03:10:59,239 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:59,239 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:59,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:59,357 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:10:59,358 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:10:59,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,360 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-28 03:10:59,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:59,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:59,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:10:59,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:10:59,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,383 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-28 03:10:59,392 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 03:10:59,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,394 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-28 03:10:59,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:59,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:59,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,411 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:59,414 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:10:59,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,420 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-28 03:10:59,430 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 03:10:59,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,432 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-28 03:10:59,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:59,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:59,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,452 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:59,455 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:59,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,460 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-28 03:10:59,467 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-28 03:10:59,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,469 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-28 03:10:59,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:59,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:10:59,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,487 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:59,492 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:10:59,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:59,505 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-28 03:10:59,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,507 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-28 03:10:59,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:59,525 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:59,525 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:59,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,525 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:10:59,528 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:10:59,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,537 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:59,546 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-28 03:10:59,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,548 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-28 03:10:59,569 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 [2024-11-28 03:10:59,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 03:10:59,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:59,592 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-28 03:10:59,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,593 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:59,597 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:59,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,615 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:59,627 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-28 03:10:59,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,631 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-28 03:10:59,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:59,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:59,652 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:59,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,652 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:10:59,657 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:10:59,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,684 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:59,691 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-28 03:10:59,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,693 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-28 03:10:59,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:59,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:59,711 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:10:59,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,711 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:10:59,715 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:10:59,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,727 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-28 03:10:59,738 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-28 03:10:59,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:59,742 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:59,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-28 03:10:59,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:10:59,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:10:59,763 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:10:59,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:10:59,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:10:59,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:10:59,763 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-28 03:10:59,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:10:59,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:10:59,788 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:10:59,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-28 03:10:59,944 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:10:59,944 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:10:59,944 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:10:59,944 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:10:59,944 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:10:59,944 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:10:59,944 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:10:59,945 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:10:59,945 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2024-11-28 03:10:59,945 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:10:59,945 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:10:59,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:59,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:10:59,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:11:00,155 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:11:00,156 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:11:00,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:00,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:00,158 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:00,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-28 03:11:00,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:11:00,163 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:11:00,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:00,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:00,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:00,211 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:00,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-28 03:11:00,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:11:00,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:11:00,653 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:11:00,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:00,660 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:11:00,660 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:11:00,660 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:11:00,661 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:11:00,661 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:11:00,661 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:00,661 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:11:00,661 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:11:00,661 INFO L132 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2024-11-28 03:11:00,661 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:11:00,661 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:11:00,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:11:00,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:11:00,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:11:00,868 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:11:00,868 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:11:00,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:00,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:00,873 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:00,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-28 03:11:00,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:00,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:00,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:00,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:00,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:00,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:11:00,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:11:00,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:00,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:00,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-28 03:11:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:00,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:00,906 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:00,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-28 03:11:00,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:00,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:00,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:00,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:00,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:11:00,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:11:00,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:11:00,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:00,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-28 03:11:00,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:00,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:00,958 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:00,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-28 03:11:00,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:00,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:00,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:00,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:00,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:00,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:11:00,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:11:00,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:00,977 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:00,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-28 03:11:00,983 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 03:11:00,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:00,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:00,985 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:00,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-28 03:11:00,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,002 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:11:01,003 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:11:01,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,005 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-28 03:11:01,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,014 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-28 03:11:01,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,030 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:11:01,038 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 03:11:01,038 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 03:11:01,062 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-28 03:11:01,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,074 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-28 03:11:01,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,095 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:11:01,096 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:11:01,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-28 03:11:01,105 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 03:11:01,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,107 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-28 03:11:01,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,125 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:01,125 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:11:01,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-28 03:11:01,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,136 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-28 03:11:01,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,154 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:01,166 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 03:11:01,166 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 03:11:01,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:01,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,207 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-28 03:11:01,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,225 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:01,226 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:11:01,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,228 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-11-28 03:11:01,235 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-28 03:11:01,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,237 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-28 03:11:01,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,254 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:11:01,255 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:11:01,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,258 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-11-28 03:11:01,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,272 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-28 03:11:01,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,296 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:11:01,310 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-11-28 03:11:01,310 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-11-28 03:11:01,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-28 03:11:01,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,368 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-28 03:11:01,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:11:01,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,391 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:11:01,392 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:11:01,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,395 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:01,405 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-28 03:11:01,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,410 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-28 03:11:01,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,430 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,430 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:11:01,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,431 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:11:01,432 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:11:01,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,435 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-11-28 03:11:01,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,449 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-28 03:11:01,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,471 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,471 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:11:01,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,472 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:11:01,479 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 03:11:01,480 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 03:11:01,510 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:01,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,524 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-11-28 03:11:01,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,548 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,548 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:11:01,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,548 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:11:01,549 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:11:01,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,552 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:01,559 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-28 03:11:01,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,561 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-11-28 03:11:01,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,578 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-28 03:11:01,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,579 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:01,581 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:11:01,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-11-28 03:11:01,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,602 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-11-28 03:11:01,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,621 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-28 03:11:01,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,621 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:01,633 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 03:11:01,633 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 03:11:01,692 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:01,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,706 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-11-28 03:11:01,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,730 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-28 03:11:01,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,730 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:01,732 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:11:01,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:01,747 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-28 03:11:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,749 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-11-28 03:11:01,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,774 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:11:01,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,775 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:11:01,776 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:11:01,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2024-11-28 03:11:01,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,799 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-11-28 03:11:01,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,821 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,821 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:11:01,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,822 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:11:01,836 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-11-28 03:11:01,836 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-11-28 03:11:01,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,931 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-11-28 03:11:01,934 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 [2024-11-28 03:11:01,949 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,949 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:11:01,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,949 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-28 03:11:01,950 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-28 03:11:01,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,955 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2024-11-28 03:11:01,962 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-28 03:11:01,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,964 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-11-28 03:11:01,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:01,981 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:01,981 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:11:01,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:01,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:01,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:01,981 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:01,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:11:01,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:01,985 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:01,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2024-11-28 03:11:01,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:01,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:01,994 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-11-28 03:11:01,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:02,011 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:02,011 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:11:02,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:02,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:02,012 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:02,023 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 03:11:02,023 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 03:11:02,053 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:02,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:02,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:02,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:02,067 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:02,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-11-28 03:11:02,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:02,090 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:02,090 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-28 03:11:02,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:02,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:02,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:02,091 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:11:02,091 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:11:02,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:02,097 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:02,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:02,108 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-28 03:11:02,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:02,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:02,110 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:02,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-11-28 03:11:02,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:02,132 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:02,132 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:11:02,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:02,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:02,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:02,133 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-28 03:11:02,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:11:02,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:02,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:02,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:02,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:02,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:02,152 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:02,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2024-11-28 03:11:02,157 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 [2024-11-28 03:11:02,180 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:02,180 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:11:02,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:02,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:02,181 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-28 03:11:02,197 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2024-11-28 03:11:02,198 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-11-28 03:11:02,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:02,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:02,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:11:02,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:02,280 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:02,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-11-28 03:11:02,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:11:02,304 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-28 03:11:02,304 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-28 03:11:02,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:11:02,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:11:02,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:11:02,304 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-28 03:11:02,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:11:02,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:11:02,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:11:02,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:02,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:11:02 BoogieIcfgContainer [2024-11-28 03:11:02,343 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:11:02,344 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:11:02,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:11:02,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:11:02,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:51" (3/4) ... [2024-11-28 03:11:02,348 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:11:02,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:11:02,350 INFO L158 Benchmark]: Toolchain (without parser) took 11662.57ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.7MB in the beginning and 202.1MB in the end (delta: -109.4MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2024-11-28 03:11:02,351 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:11:02,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.58ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:11:02,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.81ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:11:02,352 INFO L158 Benchmark]: Boogie Preprocessor took 37.94ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.8MB in the end (delta: 736.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:11:02,352 INFO L158 Benchmark]: RCFGBuilder took 280.19ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 72.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:11:02,353 INFO L158 Benchmark]: BuchiAutomizer took 11026.13ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 71.7MB in the beginning and 202.2MB in the end (delta: -130.5MB). Peak memory consumption was 198.0MB. Max. memory is 16.1GB. [2024-11-28 03:11:02,355 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 352.3MB. Free memory was 202.2MB in the beginning and 202.1MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:11:02,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.58ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.81ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.94ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.8MB in the end (delta: 736.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.19ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 72.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 11026.13ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 71.7MB in the beginning and 202.2MB in the end (delta: -130.5MB). Peak memory consumption was 198.0MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 352.3MB. Free memory was 202.2MB in the beginning and 202.1MB in the end (delta: 69.0kB). 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 4 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 7 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.9s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 10.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 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, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 34 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div515 bol100 ite100 ukn100 eq125 hnf96 smp32 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 115ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s 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 [2024-11-28 03:11:02,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:11:02,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/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_a66cf799-92ed-442a-855f-7778262bd128/bin/uautomizer-verify-aQ6SnzHsRB/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