./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu --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 f7049d534efff7d5ecf8b25905dcb4f9f2ca7387a704c110d358c798a8effd3e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:10,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:10,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 07:58:10,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:10,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:10,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:10,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:10,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:10,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:10,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:10,401 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:10,401 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:58:10,402 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:58:10,403 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:58:10,404 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:58:10,404 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:58:10,405 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:58:10,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:10,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:58:10,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:10,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:10,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:58:10,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:58:10,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:58:10,409 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:58:10,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:10,410 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:58:10,410 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:10,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:10,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:10,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:10,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:10,414 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:58:10,414 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_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7049d534efff7d5ecf8b25905dcb4f9f2ca7387a704c110d358c798a8effd3e [2023-11-19 07:58:10,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:10,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:10,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:10,756 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:10,756 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:10,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2023-11-19 07:58:13,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:14,187 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:14,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2023-11-19 07:58:14,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/data/d5907270b/894c84d96d5446d09e4344ef6aadabe0/FLAG616e71e15 [2023-11-19 07:58:14,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/data/d5907270b/894c84d96d5446d09e4344ef6aadabe0 [2023-11-19 07:58:14,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:14,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:14,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:14,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:14,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:14,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d511d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14, skipping insertion in model container [2023-11-19 07:58:14,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:14,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:14,454 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:14,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:14,481 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:14,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14 WrapperNode [2023-11-19 07:58:14,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:14,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:14,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:14,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:14,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,515 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-19 07:58:14,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:14,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:14,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:14,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:14,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:14,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:14,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:14,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:14,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (1/1) ... [2023-11-19 07:58:14,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:14,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:14,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:14,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:14,716 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:14,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:14,864 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:14,873 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:14,874 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:58:14,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:14 BoogieIcfgContainer [2023-11-19 07:58:14,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:14,879 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:58:14,879 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:58:14,884 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:58:14,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:14,885 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:58:14" (1/3) ... [2023-11-19 07:58:14,887 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18cd56d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:58:14, skipping insertion in model container [2023-11-19 07:58:14,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:14,887 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:14" (2/3) ... [2023-11-19 07:58:14,888 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18cd56d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:58:14, skipping insertion in model container [2023-11-19 07:58:14,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:14,888 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:14" (3/3) ... [2023-11-19 07:58:14,890 INFO L332 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2023-11-19 07:58:14,956 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:58:14,957 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:58:14,957 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:58:14,957 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:58:14,958 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:58:14,958 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:58:14,958 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:58:14,958 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:58:14,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:14,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-19 07:58:14,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:14,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:14,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:14,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-19 07:58:14,991 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:58:14,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:14,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-19 07:58:14,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:14,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:14,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:14,995 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-19 07:58:15,005 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 3#L22true assume !!(-268435455 <= main_~a~0#1 && main_~a~0#1 <= 268435455); 8#L23true assume !!(-268435455 <= main_~b~0#1 && main_~b~0#1 <= 268435455); 11#L24true assume !!(-268435455 <= main_~x~0#1 && main_~x~0#1 <= 268435455); 6#L25true assume !!(-268435455 <= main_~y~0#1 && main_~y~0#1 <= 268435455); 9#L26true assume main_~a~0#1 == main_~b~0#1; 12#L27-2true [2023-11-19 07:58:15,005 INFO L750 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0#1 >= 0 || main_~y~0#1 >= 0);main_~x~0#1 := main_~x~0#1 + main_~a~0#1 - main_~b~0#1 - 1;main_~y~0#1 := main_~y~0#1 + main_~b~0#1 - main_~a~0#1 - 1; 12#L27-2true [2023-11-19 07:58:15,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:15,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907820, now seen corresponding path program 1 times [2023-11-19 07:58:15,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:15,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372648733] [2023-11-19 07:58:15,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:15,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:15,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:15,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:15,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:15,162 INFO L85 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times [2023-11-19 07:58:15,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:15,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199869715] [2023-11-19 07:58:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:15,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:15,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:15,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:15,197 INFO L85 PathProgramCache]: Analyzing trace with hash 179567606, now seen corresponding path program 1 times [2023-11-19 07:58:15,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:15,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494668843] [2023-11-19 07:58:15,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:15,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:15,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:15,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:15,392 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:15,393 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:15,393 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:15,393 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:15,393 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:15,394 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:15,394 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:15,394 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:15,394 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2023-11-19 07:58:15,394 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:15,395 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:15,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:15,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:15,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:15,536 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:15,537 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:15,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:15,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:15,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:15,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:15,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:15,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:58:15,579 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:15,580 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: [] [2023-11-19 07:58:15,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:15,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:15,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:15,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:15,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:15,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:15,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:58:15,632 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:15,632 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: [] [2023-11-19 07:58:15,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:15,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:15,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:15,672 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:15,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:15,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:15,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:58:15,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:15,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:15,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:15,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:15,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:58:15,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:15,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:16,069 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:16,069 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=5, ULTIMATE.start_main_~y~0#1=0, ULTIMATE.start_main_~b~0#1=6} Honda state: {ULTIMATE.start_main_~x~0#1=-1, ULTIMATE.start_main_~a~0#1=5, ULTIMATE.start_main_~y~0#1=0, ULTIMATE.start_main_~b~0#1=6} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=-2, ULTIMATE.start_main_~a~0#1=6, ULTIMATE.start_main_~y~0#1=0, ULTIMATE.start_main_~b~0#1=6}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=-7, ULTIMATE.start_main_~y~0#1=0, ULTIMATE.start_main_~b~0#1=-7}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~y~0#1=0, ULTIMATE.start_main_~b~0#1=1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2023-11-19 07:58:16,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:16,178 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:16,179 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:16,179 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:16,179 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:16,179 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:16,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:16,180 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:16,180 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:16,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2023-11-19 07:58:16,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:16,182 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:16,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,401 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:16,404 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:16,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:16,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:16,409 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:16,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:16,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:16,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:58:16,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:16,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:16,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:16,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:16,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:58:16,506 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:16,506 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:16,555 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:16,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:16,560 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:16,561 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:16,561 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:16,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:16,561 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:16,561 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:16,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:16,562 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:16,562 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2023-11-19 07:58:16,562 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:16,562 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:16,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:16,783 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:16,787 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:16,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:16,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:16,790 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:16,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:58:16,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:16,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:16,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:16,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:16,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:16,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:16,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:16,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:16,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:16,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:16,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:16,848 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:16,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:16,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:16,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:16,872 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:58:16,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:16,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:58:16,912 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-19 07:58:16,912 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 07:58:16,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:16,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:16,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:16,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:16,984 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:17,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:17,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:58:17,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,058 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:58:17,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:17,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:17,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,121 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:58:17,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:17,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:17,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,181 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:17,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:17,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:58:17,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,231 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:58:17,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:17,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:17,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:17,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,293 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:17,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:17,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:58:17,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,353 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-19 07:58:17,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,354 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:58:17,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,374 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:17,378 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-19 07:58:17,378 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-19 07:58:17,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,427 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,445 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:58:17,446 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:17,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:58:17,477 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-11-19 07:58:17,478 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-19 07:58:17,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,560 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:58:17,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,578 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:17,580 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-19 07:58:17,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,618 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,634 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:17,635 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-19 07:58:17,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:58:17,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,666 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:58:17,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,684 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:17,685 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-19 07:58:17,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,717 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:58:17,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,734 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:17,735 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-19 07:58:17,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,765 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,784 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:17,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:58:17,788 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-19 07:58:17,788 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-19 07:58:17,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,830 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:17,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,847 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:17,848 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-19 07:58:17,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:17,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:58:17,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,890 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-19 07:58:17,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,891 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:17,912 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-19 07:58:17,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:58:17,917 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-19 07:58:17,917 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 07:58:17,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:17,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:17,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:17,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:17,961 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:17,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:17,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:17,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:17,980 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:58:17,980 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-19 07:58:17,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:58:18,007 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-11-19 07:58:18,007 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-11-19 07:58:18,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,108 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:58:18,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,126 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-19 07:58:18,128 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:58:18,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,162 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:58:18,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,178 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-19 07:58:18,179 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:58:18,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,218 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:58:18,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,234 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-19 07:58:18,235 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:58:18,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,270 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,286 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-19 07:58:18,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:58:18,287 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:58:18,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,326 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:58:18,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-19 07:58:18,346 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-19 07:58:18,346 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 07:58:18,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,383 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,399 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-19 07:58:18,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:58:18,400 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:58:18,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,449 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-19 07:58:18,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,450 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,471 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-19 07:58:18,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:58:18,475 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-19 07:58:18,475 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-19 07:58:18,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,518 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:58:18,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,535 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:58:18,535 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-19 07:58:18,567 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-11-19 07:58:18,568 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2023-11-19 07:58:18,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,688 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:58:18,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,704 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-19 07:58:18,706 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-19 07:58:18,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-19 07:58:18,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,756 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:58:18,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,773 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-19 07:58:18,774 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-19 07:58:18,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:18,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,818 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:58:18,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,848 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-19 07:58:18,849 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-19 07:58:18,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-19 07:58:18,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,880 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:58:18,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:18,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,902 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-19 07:58:18,903 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-19 07:58:18,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:18,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:18,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-19 07:58:18,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:18,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:18,929 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:18,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:58:18,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:18,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:18,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:18,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:18,943 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-19 07:58:18,954 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-19 07:58:18,954 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-19 07:58:18,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:19,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:19,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:19,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:19,002 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:19,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:19,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:19,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:19,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:19,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:19,019 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-19 07:58:19,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:58:19,021 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-19 07:58:19,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:19,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:19,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:19,053 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-19 07:58:19,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:19,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:19,054 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:19,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:58:19,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:19,069 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-19 07:58:19,069 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-19 07:58:19,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:19,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:19,069 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:19,072 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-19 07:58:19,072 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-19 07:58:19,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:19,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:19,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:19,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:19,114 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:19,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:19,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:58:19,131 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-19 07:58:19,132 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-19 07:58:19,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:19,132 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:58:19,132 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-19 07:58:19,155 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-11-19 07:58:19,155 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-19 07:58:19,266 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:19,344 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-19 07:58:19,344 INFO L444 ModelExtractionUtils]: 22 out of 42 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-19 07:58:19,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:19,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:19,387 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:19,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:58:19,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:19,438 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2023-11-19 07:58:19,439 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:19,439 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~y~0#1 + 1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_main_~b~0#1 + 1*ULTIMATE.start_main_~a~0#1 >= 0, 1*ULTIMATE.start_main_~b~0#1 - 1*ULTIMATE.start_main_~a~0#1 >= 0] [2023-11-19 07:58:19,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:19,480 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2023-11-19 07:58:19,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if ~y~0 + 1 > 0 then 1 else 0) could not be translated [2023-11-19 07:58:19,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if ~y~0 + 1 > 0 then ~y~0 + 1 else 2 * ~x~0 + 1) could not be translated [2023-11-19 07:58:19,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:19,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:58:19,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:19,602 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:58:19,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:19,651 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 [2023-11-19 07:58:19,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:19,771 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 6 states. [2023-11-19 07:58:19,773 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 [2023-11-19 07:58:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-11-19 07:58:19,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 7 letters. Loop has 1 letters. [2023-11-19 07:58:19,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:19,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 1 letters. [2023-11-19 07:58:19,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:19,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-19 07:58:19,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:19,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2023-11-19 07:58:19,798 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:58:19,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2023-11-19 07:58:19,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:58:19,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:58:19,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:58:19,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:19,803 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:19,804 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:19,804 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:19,804 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:58:19,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:58:19,804 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:58:19,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:58:19,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:58:19 BoogieIcfgContainer [2023-11-19 07:58:19,820 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:58:19,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:58:19,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:58:19,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:58:19,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:14" (3/4) ... [2023-11-19 07:58:19,825 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:58:19,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:58:19,828 INFO L158 Benchmark]: Toolchain (without parser) took 5603.66ms. Allocated memory is still 190.8MB. Free memory was 153.3MB in the beginning and 138.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-19 07:58:19,829 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 104.9MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:19,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.11ms. Allocated memory is still 190.8MB. Free memory was 153.3MB in the beginning and 142.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:58:19,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.93ms. Allocated memory is still 190.8MB. Free memory was 142.8MB in the beginning and 142.0MB in the end (delta: 801.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:19,830 INFO L158 Benchmark]: Boogie Preprocessor took 22.52ms. Allocated memory is still 190.8MB. Free memory was 142.0MB in the beginning and 140.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:19,834 INFO L158 Benchmark]: RCFGBuilder took 338.03ms. Allocated memory is still 190.8MB. Free memory was 140.7MB in the beginning and 131.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:58:19,834 INFO L158 Benchmark]: BuchiAutomizer took 4941.29ms. Allocated memory is still 190.8MB. Free memory was 131.0MB in the beginning and 138.4MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:19,835 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 190.8MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:19,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 104.9MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.11ms. Allocated memory is still 190.8MB. Free memory was 153.3MB in the beginning and 142.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.93ms. Allocated memory is still 190.8MB. Free memory was 142.8MB in the beginning and 142.0MB in the end (delta: 801.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.52ms. Allocated memory is still 190.8MB. Free memory was 142.0MB in the beginning and 140.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.03ms. Allocated memory is still 190.8MB. Free memory was 140.7MB in the beginning and 131.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4941.29ms. Allocated memory is still 190.8MB. Free memory was 131.0MB in the beginning and 138.4MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 190.8MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if ~y~0 + 1 > 0 then 1 else 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if ~y~0 + 1 > 0 then ~y~0 + 1 else 2 * ~x~0 + 1) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-phase ranking function null, null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. 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 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital47 mio100 ax128 hnf100 lsp78 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf96 smp100 dnf153 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 149ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:58:19,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:20,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27894916-97fd-4484-8971-1de4512cc10e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE