./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.12.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_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/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_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/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_89e4daa6-d7dd-4439-8e84-56033836abe0/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 640b8fd5c71f51509139c5a180a4d7fcd9c913685cbc00020531a66381fc7b29 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:29:43,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:29:43,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 03:29:43,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:29:43,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:29:43,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:29:43,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:29:43,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:29:43,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:29:43,399 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:29:43,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:29:43,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:29:43,400 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:29:43,401 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 03:29:43,401 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 03:29:43,402 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 03:29:43,402 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 03:29:43,403 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 03:29:43,403 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 03:29:43,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:29:43,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 03:29:43,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:29:43,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:29:43,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 03:29:43,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 03:29:43,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 03:29:43,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:29:43,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:29:43,407 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 03:29:43,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:29:43,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:29:43,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:29:43,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:29:43,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:29:43,409 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 03:29:43,409 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_89e4daa6-d7dd-4439-8e84-56033836abe0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 640b8fd5c71f51509139c5a180a4d7fcd9c913685cbc00020531a66381fc7b29 [2023-11-29 03:29:43,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:29:43,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:29:43,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:29:43,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:29:43,662 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:29:43,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-restricted-15/b.12.c [2023-11-29 03:29:46,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:29:46,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:29:46,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/sv-benchmarks/c/termination-restricted-15/b.12.c [2023-11-29 03:29:46,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/data/5c89b6dcf/ef9be57992364c19a6febfee5ca0eb67/FLAG239b4d281 [2023-11-29 03:29:46,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/data/5c89b6dcf/ef9be57992364c19a6febfee5ca0eb67 [2023-11-29 03:29:46,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:29:46,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:29:46,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:29:46,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:29:46,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:29:46,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92f4e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46, skipping insertion in model container [2023-11-29 03:29:46,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:29:46,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:29:46,877 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:29:46,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:29:46,900 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:29:46,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46 WrapperNode [2023-11-29 03:29:46,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:29:46,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:29:46,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:29:46,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:29:46,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,926 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-11-29 03:29:46,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:29:46,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:29:46,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:29:46,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:29:46,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,942 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 03:29:46,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:29:46,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:29:46,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:29:46,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:29:46,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (1/1) ... [2023-11-29 03:29:46,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:46,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:46,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:46,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 03:29:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:29:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:29:47,076 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:29:47,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:29:47,138 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:29:47,147 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:29:47,147 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:29:47,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:29:47 BoogieIcfgContainer [2023-11-29 03:29:47,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:29:47,151 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 03:29:47,151 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 03:29:47,155 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 03:29:47,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:29:47,156 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 03:29:46" (1/3) ... [2023-11-29 03:29:47,157 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20b8678e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:29:47, skipping insertion in model container [2023-11-29 03:29:47,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:29:47,158 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:29:46" (2/3) ... [2023-11-29 03:29:47,158 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20b8678e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:29:47, skipping insertion in model container [2023-11-29 03:29:47,158 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:29:47,158 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:29:47" (3/3) ... [2023-11-29 03:29:47,160 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.12.c [2023-11-29 03:29:47,210 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 03:29:47,210 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 03:29:47,210 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 03:29:47,210 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 03:29:47,210 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 03:29:47,211 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 03:29:47,211 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 03:29:47,211 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 03:29:47,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:47,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:29:47,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:29:47,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:29:47,234 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 03:29:47,235 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:29:47,235 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 03:29:47,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:47,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:29:47,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:29:47,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:29:47,237 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 03:29:47,237 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:29:47,243 INFO L748 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 8#L15-2true [2023-11-29 03:29:47,243 INFO L750 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 9#L12true assume main_~x~0#1 > 0;main_~x~0#1 := main_~x~0#1 - 1; 8#L15-2true [2023-11-29 03:29:47,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:47,248 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 03:29:47,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:47,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869036385] [2023-11-29 03:29:47,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:47,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:47,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:29:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:47,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:29:47,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:47,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2023-11-29 03:29:47,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:47,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41595414] [2023-11-29 03:29:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:47,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:47,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:29:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:47,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:29:47,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2023-11-29 03:29:47,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:47,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130768890] [2023-11-29 03:29:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:47,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:47,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:29:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:47,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:29:47,442 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:29:47,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:29:47,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:29:47,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:29:47,443 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:29:47,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:29:47,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:29:47,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration1_Loop [2023-11-29 03:29:47,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:29:47,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:29:47,462 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 03:29:47,473 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 03:29:47,478 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 03:29:47,538 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:29:47,538 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:29:47,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:47,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:47,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 03:29:47,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:29:47,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:47,597 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:29:47,597 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 03:29:47,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:29:47,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:47,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:47,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 03:29:47,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:29:47,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:47,630 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:29:47,630 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 03:29:47,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 03:29:47,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:47,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:47,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 03:29:47,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:29:47,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:47,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 03:29:47,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:47,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:47,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 03:29:47,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:29:47,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:47,700 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:29:47,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 03:29:47,704 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:29:47,704 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:29:47,704 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:29:47,705 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:29:47,705 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:29:47,705 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,705 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:29:47,705 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:29:47,705 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration1_Loop [2023-11-29 03:29:47,705 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:29:47,705 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:29:47,708 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 03:29:47,712 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 03:29:47,716 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 03:29:47,763 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:29:47,767 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:29:47,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:47,770 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:47,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 03:29:47,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 03:29:47,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:29:47,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:29:47,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:29:47,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:29:47,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:29:47,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:29:47,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:29:47,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-29 03:29:47,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:47,818 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:47,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 03:29:47,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 03:29:47,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:29:47,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:29:47,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:29:47,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:29:47,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:29:47,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:29:47,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:29:47,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 03:29:47,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:47,861 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:47,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 03:29:47,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 03:29:47,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:29:47,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:29:47,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:29:47,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:29:47,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:29:47,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:29:47,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:29:47,880 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:29:47,884 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 03:29:47,884 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:29:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:47,909 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:47,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 03:29:47,911 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:29:47,911 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:29:47,911 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:29:47,912 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-11-29 03:29:47,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 03:29:47,917 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:29:47,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:47,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:29:47,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:29:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:47,964 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:29:47,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:29:47,967 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 03:29:47,999 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 03:29:48,001 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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 03:29:48,044 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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 22 states and 33 transitions. Complement of second has 6 states. [2023-11-29 03:29:48,046 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 03:29:48,051 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 03:29:48,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-29 03:29:48,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-29 03:29:48,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:29:48,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-29 03:29:48,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:29:48,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-29 03:29:48,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:29:48,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 33 transitions. [2023-11-29 03:29:48,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:29:48,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 11 states and 16 transitions. [2023-11-29 03:29:48,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-29 03:29:48,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-29 03:29:48,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2023-11-29 03:29:48,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:29:48,065 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-11-29 03:29:48,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2023-11-29 03:29:48,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2023-11-29 03:29:48,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 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 03:29:48,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2023-11-29 03:29:48,093 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-11-29 03:29:48,093 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-11-29 03:29:48,093 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 03:29:48,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2023-11-29 03:29:48,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:29:48,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:29:48,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:29:48,095 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:29:48,095 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 03:29:48,095 INFO L748 eck$LassoCheckResult]: Stem: 66#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 67#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 72#L15-2 assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 73#L12 [2023-11-29 03:29:48,095 INFO L750 eck$LassoCheckResult]: Loop: 73#L12 assume !(main_~x~0#1 > 0); 68#L15 assume main_~y~0#1 > 0;main_~y~0#1 := main_~y~0#1 - 1; 69#L15-2 assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 73#L12 [2023-11-29 03:29:48,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:48,096 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-29 03:29:48,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:48,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698126027] [2023-11-29 03:29:48,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:48,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:48,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:29:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:48,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:29:48,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:48,104 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2023-11-29 03:29:48,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:48,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526049285] [2023-11-29 03:29:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:48,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:48,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:29:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:48,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:29:48,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:48,115 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2023-11-29 03:29:48,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:48,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080007620] [2023-11-29 03:29:48,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:48,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:48,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:29:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:48,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:29:48,160 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:29:48,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:29:48,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:29:48,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:29:48,160 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:29:48,160 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,160 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:29:48,160 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:29:48,160 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration2_Loop [2023-11-29 03:29:48,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:29:48,161 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:29:48,162 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 03:29:48,166 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 03:29:48,169 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 03:29:48,172 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 03:29:48,217 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:29:48,217 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:29:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,218 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:29:48,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 03:29:48,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:48,249 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:29:48,249 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 03:29:48,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 03:29:48,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,254 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 03:29:48,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:29:48,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:48,278 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:29:48,278 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 03:29:48,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 03:29:48,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,283 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 03:29:48,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:29:48,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:48,305 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:29:48,305 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 03:29:48,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 03:29:48,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,309 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 03:29:48,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:29:48,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:48,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 03:29:48,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,328 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 03:29:48,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:29:48,331 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:29:48,402 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:29:48,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 03:29:48,406 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:29:48,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:29:48,406 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:29:48,406 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:29:48,407 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:29:48,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,407 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:29:48,407 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:29:48,407 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12.c_Iteration2_Loop [2023-11-29 03:29:48,407 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:29:48,407 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:29:48,409 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 03:29:48,412 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 03:29:48,416 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 03:29:48,419 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 03:29:48,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:29:48,463 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:29:48,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,465 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 03:29:48,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 03:29:48,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:29:48,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:29:48,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:29:48,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:29:48,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:29:48,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:29:48,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:29:48,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 03:29:48,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,492 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 03:29:48,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 03:29:48,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:29:48,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:29:48,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:29:48,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:29:48,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:29:48,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:29:48,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:29:48,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:29:48,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 03:29:48,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,514 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 03:29:48,521 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 03:29:48,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:29:48,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:29:48,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:29:48,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:29:48,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:29:48,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:29:48,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:29:48,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 03:29:48,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,553 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 03:29:48,556 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 03:29:48,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:29:48,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:29:48,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:29:48,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:29:48,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:29:48,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:29:48,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:29:48,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:29:48,576 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-29 03:29:48,576 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 03:29:48,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:29:48,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:29:48,580 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:29:48,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 03:29:48,590 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:29:48,590 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:29:48,590 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:29:48,590 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-29 03:29:48,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 03:29:48,595 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:29:48,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:48,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:29:48,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:29:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:48,627 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:29:48,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:29:48,682 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 03:29:48,682 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 03:29:48,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 03:29:48,713 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 36 states and 54 transitions. Complement of second has 7 states. [2023-11-29 03:29:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 03:29:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 03:29:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2023-11-29 03:29:48,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-29 03:29:48,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:29:48,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-29 03:29:48,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:29:48,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-29 03:29:48,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:29:48,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2023-11-29 03:29:48,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:29:48,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 25 states and 36 transitions. [2023-11-29 03:29:48,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-29 03:29:48,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-29 03:29:48,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 36 transitions. [2023-11-29 03:29:48,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:29:48,720 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2023-11-29 03:29:48,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 36 transitions. [2023-11-29 03:29:48,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2023-11-29 03:29:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 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 03:29:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2023-11-29 03:29:48,724 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-11-29 03:29:48,724 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-11-29 03:29:48,724 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 03:29:48,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2023-11-29 03:29:48,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:29:48,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:29:48,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:29:48,726 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 03:29:48,726 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 03:29:48,726 INFO L748 eck$LassoCheckResult]: Stem: 159#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 161#L15-2 assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 169#L12 assume !(main_~x~0#1 > 0); 154#L15 [2023-11-29 03:29:48,726 INFO L750 eck$LassoCheckResult]: Loop: 154#L15 assume !(main_~y~0#1 > 0); 155#L15-2 assume !!(main_~x~0#1 > 0 || main_~y~0#1 > 0); 162#L12 assume !(main_~x~0#1 > 0); 154#L15 [2023-11-29 03:29:48,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:48,727 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-11-29 03:29:48,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:48,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566740076] [2023-11-29 03:29:48,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:48,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:48,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:29:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:48,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:29:48,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:48,736 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2023-11-29 03:29:48,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:48,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930949883] [2023-11-29 03:29:48,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:48,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:48,776 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 03:29:48,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:48,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930949883] [2023-11-29 03:29:48,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930949883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:48,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:48,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:29:48,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666823219] [2023-11-29 03:29:48,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:48,779 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:29:48,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:48,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:29:48,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:29:48,783 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 03:29:48,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:29:48,802 INFO L93 Difference]: Finished difference Result 23 states and 31 transitions. [2023-11-29 03:29:48,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2023-11-29 03:29:48,804 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:29:48,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2023-11-29 03:29:48,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 03:29:48,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 03:29:48,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 03:29:48,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:29:48,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:29:48,804 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:29:48,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:29:48,805 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:29:48,805 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 03:29:48,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:29:48,806 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:29:48,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 03:29:48,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 03:29:48 BoogieIcfgContainer [2023-11-29 03:29:48,812 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 03:29:48,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:29:48,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:29:48,813 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:29:48,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:29:47" (3/4) ... [2023-11-29 03:29:48,815 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:29:48,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:29:48,816 INFO L158 Benchmark]: Toolchain (without parser) took 2123.02ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 106.6MB in the beginning and 103.0MB in the end (delta: 3.6MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-11-29 03:29:48,817 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:29:48,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.54ms. Allocated memory is still 146.8MB. Free memory was 106.2MB in the beginning and 97.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 03:29:48,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.32ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 95.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:29:48,818 INFO L158 Benchmark]: Boogie Preprocessor took 22.72ms. Allocated memory is still 146.8MB. Free memory was 95.7MB in the beginning and 94.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:29:48,819 INFO L158 Benchmark]: RCFGBuilder took 198.95ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 86.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 03:29:48,819 INFO L158 Benchmark]: BuchiAutomizer took 1661.93ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 85.6MB in the beginning and 103.0MB in the end (delta: -17.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-29 03:29:48,820 INFO L158 Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 195.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:29:48,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.54ms. Allocated memory is still 146.8MB. Free memory was 106.2MB in the beginning and 97.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.32ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 95.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.72ms. Allocated memory is still 146.8MB. Free memory was 95.7MB in the beginning and 94.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 198.95ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 86.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1661.93ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 85.6MB in the beginning and 103.0MB in the end (delta: -17.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Witness Printer took 2.76ms. Allocated memory is still 195.0MB. Free memory is still 103.0MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 18 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax206 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 03:29:48,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 03:29:49,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 03:29:49,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e4daa6-d7dd-4439-8e84-56033836abe0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE