./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_23.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:10:52,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:10:52,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 06:10:52,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:10:52,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:10:52,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:10:52,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:10:52,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:10:52,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:10:52,204 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:10:52,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:10:52,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:10:52,206 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:10:52,207 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:10:52,207 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:10:52,207 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:10:52,208 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:10:52,208 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:10:52,209 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:10:52,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:10:52,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:10:52,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:10:52,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:10:52,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:10:52,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:10:52,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:10:52,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:10:52,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:10:52,215 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:10:52,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:10:52,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:10:52,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:10:52,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:10:52,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:10:52,218 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:10:52,218 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf [2023-11-29 06:10:52,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:10:52,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:10:52,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:10:52,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:10:52,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:10:52,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-restricted-15/NO_23.c [2023-11-29 06:10:55,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:10:55,367 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:10:55,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/sv-benchmarks/c/termination-restricted-15/NO_23.c [2023-11-29 06:10:55,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/data/a56fa4298/72a2850820254b4c8b9503a68c0b20fa/FLAG1a1fddeb0 [2023-11-29 06:10:55,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/data/a56fa4298/72a2850820254b4c8b9503a68c0b20fa [2023-11-29 06:10:55,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:10:55,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:10:55,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:10:55,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:10:55,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:10:55,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17008514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55, skipping insertion in model container [2023-11-29 06:10:55,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:10:55,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:10:55,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:10:55,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:10:55,553 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:10:55,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55 WrapperNode [2023-11-29 06:10:55,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:10:55,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:10:55,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:10:55,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:10:55,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,576 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2023-11-29 06:10:55,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:10:55,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:10:55,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:10:55,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:10:55,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,590 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 06:10:55,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:10:55,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:10:55,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:10:55,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:10:55,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (1/1) ... [2023-11-29 06:10:55,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:55,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:55,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:55,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:10:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:10:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:10:55,730 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:10:55,732 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:10:55,775 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:10:55,784 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:10:55,784 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:10:55,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:10:55 BoogieIcfgContainer [2023-11-29 06:10:55,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:10:55,786 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:10:55,787 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:10:55,790 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:10:55,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:10:55,791 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:10:55" (1/3) ... [2023-11-29 06:10:55,792 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@311fe806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:10:55, skipping insertion in model container [2023-11-29 06:10:55,792 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:10:55,792 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:55" (2/3) ... [2023-11-29 06:10:55,793 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@311fe806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:10:55, skipping insertion in model container [2023-11-29 06:10:55,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:10:55,793 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:10:55" (3/3) ... [2023-11-29 06:10:55,795 INFO L332 chiAutomizerObserver]: Analyzing ICFG NO_23.c [2023-11-29 06:10:55,845 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:10:55,845 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:10:55,846 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:10:55,846 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:10:55,846 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:10:55,846 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:10:55,846 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:10:55,846 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:10:55,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:55,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 06:10:55,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:10:55,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:10:55,869 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:10:55,869 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 06:10:55,870 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:10:55,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:55,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 06:10:55,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:10:55,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:10:55,871 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:10:55,872 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 06:10:55,877 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 3#L10-2true [2023-11-29 06:10:55,878 INFO L750 eck$LassoCheckResult]: Loop: 3#L10-2true assume !!(main_~i~0#1 < 100); 5#L10true assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 3#L10-2true [2023-11-29 06:10:55,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:55,883 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 06:10:55,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:55,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248706519] [2023-11-29 06:10:55,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:55,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:55,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:55,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:55,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2023-11-29 06:10:55,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:55,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140845383] [2023-11-29 06:10:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:55,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:55,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:55,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:55,986 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-11-29 06:10:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:55,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133064606] [2023-11-29 06:10:55,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:56,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:56,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133064606] [2023-11-29 06:10:56,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133064606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:56,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:56,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:56,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494671489] [2023-11-29 06:10:56,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:56,119 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:10:56,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:10:56,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:10:56,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:10:56,120 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:10:56,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:10:56,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:10:56,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2023-11-29 06:10:56,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:10:56,121 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:10:56,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,211 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:10:56,212 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:10:56,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 06:10:56,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:10:56,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:56,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:10:56,252 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:10:56,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:56,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 06:10:56,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:10:56,261 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:56,280 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:10:56,280 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:10:56,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 06:10:56,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 06:10:56,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:10:56,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:56,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 06:10:56,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 06:10:56,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:10:56,307 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:56,328 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:10:56,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 06:10:56,332 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:10:56,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:10:56,333 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:10:56,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:10:56,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:10:56,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:10:56,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:10:56,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2023-11-29 06:10:56,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:10:56,333 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:10:56,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,391 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:10:56,395 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:10:56,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 06:10:56,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:56,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:56,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:56,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:56,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:56,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:10:56,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:10:56,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:56,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 06:10:56,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,432 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 06:10:56,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:56,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:56,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:56,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:56,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:56,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:10:56,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:10:56,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:56,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 06:10:56,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,468 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 06:10:56,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:56,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:56,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:56,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:56,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:56,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:56,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:10:56,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:56,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:10:56,492 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:10:56,492 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 06:10:56,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,517 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 06:10:56,519 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:10:56,519 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:10:56,519 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:10:56,520 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-29 06:10:56,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 06:10:56,526 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:10:56,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:56,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:56,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:56,564 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:10:56,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:56,600 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 06:10:56,602 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:56,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20 states and 28 transitions. Complement of second has 6 states. [2023-11-29 06:10:56,639 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 [2023-11-29 06:10:56,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2023-11-29 06:10:56,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-29 06:10:56,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:56,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-29 06:10:56,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:56,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-29 06:10:56,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:56,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2023-11-29 06:10:56,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 06:10:56,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2023-11-29 06:10:56,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-11-29 06:10:56,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-29 06:10:56,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2023-11-29 06:10:56,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:10:56,651 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-11-29 06:10:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2023-11-29 06:10:56,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-29 06:10:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-11-29 06:10:56,670 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-11-29 06:10:56,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:56,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:10:56,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:56,673 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:56,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:56,681 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2023-11-29 06:10:56,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2023-11-29 06:10:56,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 06:10:56,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 7 transitions. [2023-11-29 06:10:56,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-29 06:10:56,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-29 06:10:56,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2023-11-29 06:10:56,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:10:56,683 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2023-11-29 06:10:56,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2023-11-29 06:10:56,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-11-29 06:10:56,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2023-11-29 06:10:56,684 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2023-11-29 06:10:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:10:56,685 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2023-11-29 06:10:56,685 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 06:10:56,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2023-11-29 06:10:56,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 06:10:56,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:10:56,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:10:56,686 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 06:10:56,686 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 06:10:56,687 INFO L748 eck$LassoCheckResult]: Stem: 82#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 83#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 84#L10-2 assume !!(main_~i~0#1 < 100); 81#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 79#L10-2 [2023-11-29 06:10:56,687 INFO L750 eck$LassoCheckResult]: Loop: 79#L10-2 assume !!(main_~i~0#1 < 100); 80#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 79#L10-2 [2023-11-29 06:10:56,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:56,687 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2023-11-29 06:10:56,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:56,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172384343] [2023-11-29 06:10:56,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:56,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:56,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:56,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:56,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:56,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2023-11-29 06:10:56,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:56,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57951671] [2023-11-29 06:10:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:56,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:56,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:56,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:56,706 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2023-11-29 06:10:56,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:56,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035215738] [2023-11-29 06:10:56,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:56,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:56,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:56,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:56,737 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:10:56,738 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:10:56,738 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:10:56,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:10:56,738 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:10:56,738 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:10:56,738 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:10:56,738 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2023-11-29 06:10:56,738 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:10:56,739 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:10:56,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:10:56,786 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:10:56,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,787 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 06:10:56,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:10:56,798 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:56,816 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:10:56,816 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:10:56,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 06:10:56,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,821 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 06:10:56,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:10:56,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:56,847 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:10:56,847 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:10:56,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 06:10:56,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,852 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 06:10:56,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:10:56,855 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:56,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 06:10:56,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,872 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 06:10:56,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:10:56,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:56,889 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:10:56,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 06:10:56,892 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:10:56,893 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:10:56,893 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:10:56,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:10:56,893 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:10:56,893 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,893 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:10:56,893 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:10:56,893 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2023-11-29 06:10:56,893 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:10:56,893 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:10:56,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:56,951 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:10:56,951 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:10:56,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,952 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 06:10:56,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:56,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:56,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:56,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:56,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:56,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:10:56,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:10:56,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:56,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 06:10:56,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:56,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,981 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:56,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 06:10:56,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:56,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:56,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:56,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:57,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:10:57,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:10:57,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:57,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 06:10:57,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,024 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 06:10:57,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:57,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:57,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:10:57,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:57,042 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:10:57,044 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-29 06:10:57,044 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 06:10:57,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,045 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 06:10:57,061 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:10:57,061 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:10:57,061 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:10:57,061 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-29 06:10:57,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 06:10:57,066 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:10:57,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:57,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,094 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:10:57,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:57,097 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 06:10:57,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,107 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 10 states and 13 transitions. Complement of second has 5 states. [2023-11-29 06:10:57,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:10:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-11-29 06:10:57,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-29 06:10:57,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:57,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-29 06:10:57,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:57,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-29 06:10:57,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:57,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2023-11-29 06:10:57,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 06:10:57,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2023-11-29 06:10:57,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-29 06:10:57,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-29 06:10:57,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2023-11-29 06:10:57,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:10:57,112 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-29 06:10:57,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2023-11-29 06:10:57,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-29 06:10:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2023-11-29 06:10:57,114 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-29 06:10:57,114 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-29 06:10:57,114 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 06:10:57,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2023-11-29 06:10:57,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 06:10:57,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:10:57,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:10:57,115 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2023-11-29 06:10:57,115 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 06:10:57,115 INFO L748 eck$LassoCheckResult]: Stem: 137#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 139#L10-2 assume !!(main_~i~0#1 < 100); 141#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 140#L10-2 assume !!(main_~i~0#1 < 100); 136#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 132#L10-2 [2023-11-29 06:10:57,115 INFO L750 eck$LassoCheckResult]: Loop: 132#L10-2 assume !!(main_~i~0#1 < 100); 133#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 132#L10-2 [2023-11-29 06:10:57,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,116 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2023-11-29 06:10:57,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:57,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751250159] [2023-11-29 06:10:57,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:57,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:57,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:57,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751250159] [2023-11-29 06:10:57,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751250159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:57,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:57,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:57,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185186406] [2023-11-29 06:10:57,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:57,142 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 06:10:57,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2023-11-29 06:10:57,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:57,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107173453] [2023-11-29 06:10:57,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:57,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:57,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:57,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:57,169 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:10:57,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:10:57,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:10:57,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:10:57,170 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:10:57,170 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,170 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:10:57,170 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:10:57,170 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2023-11-29 06:10:57,170 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:10:57,170 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:10:57,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,215 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:10:57,215 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:10:57,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,217 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 06:10:57,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:10:57,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:57,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 06:10:57,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,237 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 06:10:57,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:10:57,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:57,255 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:10:57,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 06:10:57,258 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:10:57,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:10:57,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:10:57,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:10:57,258 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:10:57,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,258 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:10:57,258 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:10:57,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2023-11-29 06:10:57,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:10:57,258 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:10:57,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,308 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:10:57,308 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:10:57,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,311 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 06:10:57,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:57,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:57,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:10:57,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:57,328 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:10:57,331 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:10:57,331 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 06:10:57,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,332 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 06:10:57,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:10:57,334 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:10:57,334 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:10:57,334 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-29 06:10:57,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 06:10:57,339 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:10:57,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:57,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,370 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:10:57,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:57,373 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 06:10:57,373 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,382 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 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 12 states and 17 transitions. Complement of second has 5 states. [2023-11-29 06:10:57,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:10:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-11-29 06:10:57,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-29 06:10:57,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:57,384 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 06:10:57,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:57,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,413 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:10:57,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:57,416 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 06:10:57,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,424 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 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 12 states and 17 transitions. Complement of second has 5 states. [2023-11-29 06:10:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:10:57,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-11-29 06:10:57,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-29 06:10:57,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:57,427 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 06:10:57,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:57,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:57,454 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:10:57,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:57,457 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 1 loop predicates [2023-11-29 06:10:57,457 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,467 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 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 14 states and 20 transitions. Complement of second has 4 states. [2023-11-29 06:10:57,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:10:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-29 06:10:57,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-29 06:10:57,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:57,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-29 06:10:57,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:57,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-29 06:10:57,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:10:57,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2023-11-29 06:10:57,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 06:10:57,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 16 transitions. [2023-11-29 06:10:57,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-29 06:10:57,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-29 06:10:57,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2023-11-29 06:10:57,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:10:57,472 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-29 06:10:57,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2023-11-29 06:10:57,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2023-11-29 06:10:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-11-29 06:10:57,473 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-29 06:10:57,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:57,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:10:57,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:57,474 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:57,482 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2023-11-29 06:10:57,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2023-11-29 06:10:57,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:10:57,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 9 transitions. [2023-11-29 06:10:57,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-11-29 06:10:57,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-11-29 06:10:57,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2023-11-29 06:10:57,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:10:57,483 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2023-11-29 06:10:57,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2023-11-29 06:10:57,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-11-29 06:10:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-11-29 06:10:57,484 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-29 06:10:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:10:57,485 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-29 06:10:57,485 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 06:10:57,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-11-29 06:10:57,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 06:10:57,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:10:57,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:10:57,486 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 06:10:57,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2023-11-29 06:10:57,487 INFO L748 eck$LassoCheckResult]: Stem: 297#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 298#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 299#L10-2 assume !!(main_~i~0#1 < 100); 296#L10 [2023-11-29 06:10:57,487 INFO L750 eck$LassoCheckResult]: Loop: 296#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 293#L10-2 assume !!(main_~i~0#1 < 100); 294#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 295#L10-2 assume !!(main_~i~0#1 < 100); 296#L10 [2023-11-29 06:10:57,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,487 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-29 06:10:57,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:57,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997434891] [2023-11-29 06:10:57,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:57,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:57,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:57,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:57,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 1 times [2023-11-29 06:10:57,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:57,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086354172] [2023-11-29 06:10:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:57,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:57,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:57,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:57,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:57,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 2 times [2023-11-29 06:10:57,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:57,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547475544] [2023-11-29 06:10:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:57,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:57,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:57,551 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:10:57,551 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:10:57,551 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:10:57,551 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:10:57,552 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:10:57,552 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,552 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:10:57,552 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:10:57,552 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2023-11-29 06:10:57,552 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:10:57,552 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:10:57,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,605 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:10:57,605 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:10:57,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,607 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 06:10:57,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:10:57,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:57,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 06:10:57,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,633 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 06:10:57,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:10:57,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:10:57,659 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:10:57,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 06:10:57,662 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:10:57,662 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:10:57,662 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:10:57,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:10:57,663 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:10:57,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:10:57,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:10:57,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2023-11-29 06:10:57,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:10:57,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:10:57,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:10:57,719 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:10:57,720 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:10:57,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,721 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 06:10:57,726 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 [2023-11-29 06:10:57,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:57,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:10:57,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:10:57,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 06:10:57,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,752 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 06:10:57,755 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 [2023-11-29 06:10:57,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:57,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:57,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:10:57,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:57,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 06:10:57,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,775 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 06:10:57,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:57,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:10:57,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:10:57,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 06:10:57,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,804 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 06:10:57,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:10:57,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:10:57,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:10:57,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:57,829 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-29 06:10:57,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,830 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 06:10:57,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,845 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 06:10:57,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 06:10:57,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 06:10:57,864 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-29 06:10:57,864 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-29 06:10:57,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 06:10:57,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,877 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 06:10:57,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:57,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,890 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 06:10:57,891 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 06:10:57,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:57,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 06:10:57,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,896 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 06:10:57,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,909 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 06:10:57,912 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-29 06:10:57,912 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-29 06:10:57,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 06:10:57,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,923 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 06:10:57,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,937 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 06:10:57,940 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-29 06:10:57,940 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-29 06:10:57,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:57,948 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-29 06:10:57,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,950 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 06:10:57,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:57,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:57,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:57,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:57,970 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:57,974 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:57,974 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:57,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:57,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 06:10:57,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:57,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:57,990 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:57,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 06:10:57,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:58,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:58,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,004 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,005 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 06:10:58,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:58,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 06:10:58,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,010 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 06:10:58,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:58,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,023 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,026 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:58,026 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:58,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:58,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,037 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 06:10:58,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:58,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,050 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,053 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:58,053 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:58,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 06:10:58,067 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-29 06:10:58,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,069 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 06:10:58,072 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 [2023-11-29 06:10:58,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:58,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,083 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 06:10:58,088 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-29 06:10:58,089 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-29 06:10:58,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 06:10:58,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,105 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 06:10:58,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:58,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:58,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,118 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 06:10:58,119 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 06:10:58,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:58,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-29 06:10:58,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,125 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 06:10:58,127 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 [2023-11-29 06:10:58,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:58,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,138 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 06:10:58,142 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-29 06:10:58,142 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-29 06:10:58,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-29 06:10:58,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,155 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 06:10:58,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:10:58,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,172 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 06:10:58,176 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-29 06:10:58,176 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-29 06:10:58,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-29 06:10:58,187 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-29 06:10:58,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,188 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 06:10:58,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,201 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,201 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 06:10:58,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,201 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 06:10:58,205 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-29 06:10:58,206 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-29 06:10:58,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:58,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,223 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 06:10:58,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,242 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 06:10:58,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:58,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,242 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 06:10:58,243 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 06:10:58,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:58,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:58,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,251 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-29 06:10:58,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,270 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 06:10:58,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,270 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 06:10:58,272 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-29 06:10:58,272 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-29 06:10:58,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-29 06:10:58,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,284 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-29 06:10:58,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,298 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 06:10:58,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,299 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 06:10:58,301 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-29 06:10:58,301 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-29 06:10:58,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-29 06:10:58,311 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-29 06:10:58,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,312 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 06:10:58,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,328 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,328 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 06:10:58,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,328 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,331 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:58,332 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:58,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-29 06:10:58,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,352 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 06:10:58,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,367 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,368 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 06:10:58,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:58,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,368 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,369 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 06:10:58,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:58,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-29 06:10:58,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,377 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 06:10:58,381 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 [2023-11-29 06:10:58,394 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,394 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 06:10:58,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,395 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,398 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:58,398 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:58,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-29 06:10:58,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,412 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-29 06:10:58,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,428 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 06:10:58,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,429 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,431 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:58,432 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:58,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:58,444 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-29 06:10:58,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,445 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-29 06:10:58,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,461 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,461 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 06:10:58,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,462 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 06:10:58,469 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-29 06:10:58,469 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-29 06:10:58,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-29 06:10:58,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,496 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-29 06:10:58,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,509 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 06:10:58,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:58,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,509 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 06:10:58,510 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 06:10:58,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:58,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-29 06:10:58,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,519 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-29 06:10:58,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,531 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,532 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 06:10:58,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,532 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 06:10:58,536 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-29 06:10:58,536 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-29 06:10:58,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-29 06:10:58,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,553 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-29 06:10:58,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,568 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 06:10:58,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,568 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 06:10:58,572 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-29 06:10:58,572 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-29 06:10:58,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:58,587 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-29 06:10:58,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,589 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-29 06:10:58,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,606 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 06:10:58,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,606 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,610 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:58,610 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:58,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-29 06:10:58,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,626 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-29 06:10:58,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,638 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 06:10:58,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:58,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,639 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,639 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 06:10:58,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:58,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:58,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,645 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-29 06:10:58,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,657 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,657 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 06:10:58,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,657 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,660 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:58,660 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:58,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:58,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,671 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-29 06:10:58,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,684 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 06:10:58,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,684 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 06:10:58,686 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 06:10:58,686 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:10:58,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-29 06:10:58,695 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-29 06:10:58,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,697 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-29 06:10:58,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,716 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,716 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 06:10:58,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,716 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 06:10:58,721 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-29 06:10:58,722 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-29 06:10:58,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:58,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,744 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-29 06:10:58,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,757 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 06:10:58,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:10:58,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,757 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 06:10:58,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:10:58,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:10:58,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-29 06:10:58,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,764 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-29 06:10:58,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,776 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 06:10:58,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,776 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 06:10:58,780 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-29 06:10:58,780 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-29 06:10:58,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-29 06:10:58,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:10:58,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,797 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-29 06:10:58,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:10:58,810 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 06:10:58,810 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 06:10:58,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:10:58,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:10:58,810 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 06:10:58,813 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-29 06:10:58,813 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-29 06:10:58,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:10:58,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-29 06:10:58,825 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-11-29 06:10:58,825 INFO L748 eck$LassoCheckResult]: Stem: 297#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 298#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 299#L10-2 assume !!(main_~i~0#1 < 100); 296#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 293#L10-2 assume !!(main_~i~0#1 < 100); 294#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 295#L10-2 assume !!(main_~i~0#1 < 100); 296#L10 [2023-11-29 06:10:58,825 INFO L750 eck$LassoCheckResult]: Loop: 296#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 293#L10-2 assume !!(main_~i~0#1 < 100); 294#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 295#L10-2 assume !!(main_~i~0#1 < 100); 296#L10 [2023-11-29 06:10:58,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:58,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 3 times [2023-11-29 06:10:58,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:58,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222528184] [2023-11-29 06:10:58,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:58,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:58,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:58,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:58,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:58,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 2 times [2023-11-29 06:10:58,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:58,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68683321] [2023-11-29 06:10:58,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:58,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:58,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:58,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:58,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:58,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1599693208, now seen corresponding path program 4 times [2023-11-29 06:10:58,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:58,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063768601] [2023-11-29 06:10:58,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:58,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:58,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:58,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:10:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:58,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:10:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:10:58,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:10:58 BoogieIcfgContainer [2023-11-29 06:10:58,919 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 06:10:58,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:10:58,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:10:58,920 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:10:58,920 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:10:55" (3/4) ... [2023-11-29 06:10:58,922 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-29 06:10:58,955 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:10:58,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:10:58,956 INFO L158 Benchmark]: Toolchain (without parser) took 3567.86ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 87.4MB in the beginning and 103.4MB in the end (delta: -16.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 06:10:58,956 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:10:58,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.37ms. Allocated memory is still 130.0MB. Free memory was 87.1MB in the beginning and 77.9MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:10:58,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.98ms. Allocated memory is still 130.0MB. Free memory was 77.9MB in the beginning and 76.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:10:58,957 INFO L158 Benchmark]: Boogie Preprocessor took 19.62ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:10:58,957 INFO L158 Benchmark]: RCFGBuilder took 188.40ms. Allocated memory is still 130.0MB. Free memory was 75.1MB in the beginning and 67.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 06:10:58,958 INFO L158 Benchmark]: BuchiAutomizer took 3132.82ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 67.2MB in the beginning and 104.4MB in the end (delta: -37.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:10:58,958 INFO L158 Benchmark]: Witness Printer took 35.73ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:10:58,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.37ms. Allocated memory is still 130.0MB. Free memory was 87.1MB in the beginning and 77.9MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.98ms. Allocated memory is still 130.0MB. Free memory was 77.9MB in the beginning and 76.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.62ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 188.40ms. Allocated memory is still 130.0MB. Free memory was 75.1MB in the beginning and 67.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3132.82ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 67.2MB in the beginning and 104.4MB in the end (delta: -37.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.73ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 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, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 28 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax209 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq136 hnf93 smp100 dnf100 smp100 tf114 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] [L9] COND TRUE i < 100 VAL [i=49] Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] [L9] COND TRUE i < 100 VAL [i=49] Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-29 06:10:58,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a9480b-9a2b-4806-93af-ca3c2fb53ca0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)