./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:41:30,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:41:30,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 04:41:30,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:41:30,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:41:30,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:41:30,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:41:30,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:41:30,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:41:30,279 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:41:30,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:41:30,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:41:30,281 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:41:30,281 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 04:41:30,282 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 04:41:30,282 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 04:41:30,283 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 04:41:30,283 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 04:41:30,284 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 04:41:30,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:41:30,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 04:41:30,285 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:41:30,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:41:30,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:41:30,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:41:30,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 04:41:30,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 04:41:30,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 04:41:30,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:41:30,288 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:41:30,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:41:30,289 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 04:41:30,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:41:30,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:41:30,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:41:30,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:41:30,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:41:30,290 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 04:41:30,291 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_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2023-11-29 04:41:30,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:41:30,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:41:30,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:41:30,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:41:30,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:41:30,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/recursive/Addition03-1.c [2023-11-29 04:41:33,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:41:33,414 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:41:33,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/sv-benchmarks/c/recursive/Addition03-1.c [2023-11-29 04:41:33,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/data/321f3c78c/3157fd47ea0743de93e62da28545e7f2/FLAG9802ad703 [2023-11-29 04:41:33,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/data/321f3c78c/3157fd47ea0743de93e62da28545e7f2 [2023-11-29 04:41:33,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:41:33,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:41:33,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:41:33,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:41:33,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:41:33,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf40bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33, skipping insertion in model container [2023-11-29 04:41:33,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:41:33,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:41:33,623 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:41:33,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:41:33,653 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:41:33,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33 WrapperNode [2023-11-29 04:41:33,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:41:33,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:41:33,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:41:33,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:41:33,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,686 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2023-11-29 04:41:33,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:41:33,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:41:33,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:41:33,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:41:33,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,699 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,710 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:41:33,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:41:33,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:41:33,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:41:33,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:41:33,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (1/1) ... [2023-11-29 04:41:33,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:33,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:33,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:33,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 04:41:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:41:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:41:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:41:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:41:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2023-11-29 04:41:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2023-11-29 04:41:33,832 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:41:33,834 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:41:33,918 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:41:33,926 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:41:33,926 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:41:33,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:33 BoogieIcfgContainer [2023-11-29 04:41:33,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:41:33,930 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 04:41:33,930 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 04:41:33,934 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 04:41:33,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:41:33,935 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 04:41:33" (1/3) ... [2023-11-29 04:41:33,936 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c967563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:41:33, skipping insertion in model container [2023-11-29 04:41:33,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:41:33,936 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:33" (2/3) ... [2023-11-29 04:41:33,936 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c967563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:41:33, skipping insertion in model container [2023-11-29 04:41:33,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:41:33,937 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:33" (3/3) ... [2023-11-29 04:41:33,938 INFO L332 chiAutomizerObserver]: Analyzing ICFG Addition03-1.c [2023-11-29 04:41:33,986 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 04:41:33,986 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 04:41:33,986 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 04:41:33,986 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 04:41:33,986 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 04:41:33,986 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 04:41:33,987 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 04:41:33,987 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 04:41:33,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 04:41:34,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 04:41:34,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:41:34,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:41:34,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 04:41:34,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 04:41:34,014 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 04:41:34,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 04:41:34,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 04:41:34,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:41:34,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:41:34,017 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 04:41:34,017 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 04:41:34,023 INFO L748 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 8#L31true call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 5#$Ultimate##0true [2023-11-29 04:41:34,023 INFO L750 eck$LassoCheckResult]: Loop: 5#$Ultimate##0true ~m := #in~m;~n := #in~n; 6#L16true assume !(0 == ~n); 13#L19true assume ~n > 0; 14#L20true call #t~ret4 := addition(1 + ~m, ~n - 1);< 5#$Ultimate##0true [2023-11-29 04:41:34,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:34,028 INFO L85 PathProgramCache]: Analyzing trace with hash 29888, now seen corresponding path program 1 times [2023-11-29 04:41:34,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:34,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840170830] [2023-11-29 04:41:34,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:34,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:34,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:41:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:34,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:41:34,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:34,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1450930, now seen corresponding path program 1 times [2023-11-29 04:41:34,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:34,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377430323] [2023-11-29 04:41:34,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:34,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:34,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:41:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:34,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:41:34,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:34,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1832919281, now seen corresponding path program 1 times [2023-11-29 04:41:34,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:34,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719148662] [2023-11-29 04:41:34,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:34,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:34,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:41:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:34,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:41:34,322 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:41:34,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:41:34,322 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:41:34,323 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:41:34,323 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:41:34,323 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,323 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:41:34,323 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:41:34,323 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2023-11-29 04:41:34,323 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:41:34,324 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:41:34,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,428 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:41:34,428 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:41:34,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 04:41:34,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:34,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:34,462 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:41:34,463 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:41:34,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:41:34,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 04:41:34,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:34,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:34,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 04:41:34,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 04:41:34,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:41:34,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:34,548 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:41:34,549 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=1}, {addition_#in~m=3}, {addition_#in~m=-3}] Lambdas: [1, 2, 1] Nus: [0, 1] [2023-11-29 04:41:34,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 04:41:34,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 04:41:34,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:34,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:34,578 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:41:34,578 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:41:34,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 04:41:34,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,584 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 04:41:34,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:34,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:34,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-29 04:41:34,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 04:41:34,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:41:34,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:34,680 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:41:34,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 04:41:34,684 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:41:34,684 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:41:34,684 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:41:34,684 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:41:34,684 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:41:34,684 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:41:34,685 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:41:34,685 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2023-11-29 04:41:34,685 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:41:34,685 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:41:34,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:34,754 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:41:34,759 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:41:34,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 04:41:34,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:34,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:34,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:34,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:34,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:34,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:34,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:34,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:34,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:34,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 04:41:34,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,788 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 04:41:34,792 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 [2023-11-29 04:41:34,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:34,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:34,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:34,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:34,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:34,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:34,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:34,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:34,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 04:41:34,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,816 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 04:41:34,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:34,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:34,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:34,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:34,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:34,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:34,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:34,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:34,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:41:34,880 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:41:34,881 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 04:41:34,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:34,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:34,908 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:34,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 04:41:34,911 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:41:34,911 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:41:34,911 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:41:34,912 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2023-11-29 04:41:34,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 04:41:34,918 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:41:34,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:34,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:41:34,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:41:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:34,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:41:34,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:41:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:35,052 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 04:41:35,055 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:35,148 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 68 transitions. Complement of second has 12 states. [2023-11-29 04:41:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 04:41:35,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-29 04:41:35,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-29 04:41:35,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:35,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-29 04:41:35,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:35,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 8 letters. [2023-11-29 04:41:35,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:35,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 68 transitions. [2023-11-29 04:41:35,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 04:41:35,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 25 states and 28 transitions. [2023-11-29 04:41:35,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-29 04:41:35,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-29 04:41:35,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2023-11-29 04:41:35,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 04:41:35,172 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2023-11-29 04:41:35,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2023-11-29 04:41:35,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2023-11-29 04:41:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:35,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-29 04:41:35,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-29 04:41:35,199 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-29 04:41:35,199 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 04:41:35,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2023-11-29 04:41:35,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 04:41:35,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:41:35,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:41:35,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 04:41:35,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 04:41:35,201 INFO L748 eck$LassoCheckResult]: Stem: 137#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 128#L31 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 130#$Ultimate##0 ~m := #in~m;~n := #in~n; 132#L16 assume !(0 == ~n); 134#L19 assume !(~n > 0); 136#L22 [2023-11-29 04:41:35,201 INFO L750 eck$LassoCheckResult]: Loop: 136#L22 assume ~n < 0; 125#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 127#$Ultimate##0 ~m := #in~m;~n := #in~n; 140#L16 assume !(0 == ~n); 139#L19 assume !(~n > 0); 136#L22 [2023-11-29 04:41:35,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:35,201 INFO L85 PathProgramCache]: Analyzing trace with hash 890410423, now seen corresponding path program 1 times [2023-11-29 04:41:35,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:35,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22060641] [2023-11-29 04:41:35,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:35,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:35,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:41:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:35,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:41:35,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:35,218 INFO L85 PathProgramCache]: Analyzing trace with hash 57513645, now seen corresponding path program 1 times [2023-11-29 04:41:35,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:35,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992886651] [2023-11-29 04:41:35,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:35,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:35,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:41:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:35,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:41:35,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:35,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1572724041, now seen corresponding path program 1 times [2023-11-29 04:41:35,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:35,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041991924] [2023-11-29 04:41:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:35,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:35,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:41:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:35,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:41:35,376 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:41:35,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:41:35,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:41:35,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:41:35,376 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:41:35,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:35,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:41:35,376 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:41:35,376 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2023-11-29 04:41:35,377 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:41:35,377 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:41:35,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:35,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:35,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:35,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:35,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:35,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:41:35,456 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:41:35,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:35,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:35,458 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:35,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 04:41:35,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:35,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:35,482 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:41:35,482 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:41:35,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 04:41:35,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:35,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:35,487 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:35,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 04:41:35,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:35,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:35,501 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:41:35,502 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:41:35,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 04:41:35,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:35,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:35,506 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:35,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 04:41:35,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:35,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:35,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 04:41:35,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:35,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:35,534 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:35,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 04:41:35,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:41:35,537 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:35,677 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:41:35,677 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0, addition_~m=-6} Honda state: {addition_#in~m=0, addition_~m=-6} Generalized eigenvectors: [{addition_#in~m=-2, addition_~m=-1}, {addition_#in~m=1, addition_~m=0}, {addition_#in~m=-6, addition_~m=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2023-11-29 04:41:35,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 04:41:35,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:35,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:35,681 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:35,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 04:41:35,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:35,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:35,695 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:41:35,696 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:41:35,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 04:41:35,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:35,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:35,699 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:35,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 04:41:35,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:35,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:35,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 04:41:35,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:35,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:35,728 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:35,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 04:41:35,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:41:35,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:42,521 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:41:42,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-29 04:41:42,525 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:41:42,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:41:42,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:41:42,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:41:42,525 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:41:42,525 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:42,525 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:41:42,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:41:42,526 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2023-11-29 04:41:42,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:41:42,526 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:41:42,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:42,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:42,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:42,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:42,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:42,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:41:42,596 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:41:42,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:42,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:42,598 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:42,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 04:41:42,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:42,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:42,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:42,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:42,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:42,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:42,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:42,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:42,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:42,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 04:41:42,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:42,616 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:42,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 04:41:42,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:42,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:42,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:42,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:42,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:42,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:42,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:42,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:42,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:42,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 04:41:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:42,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:42,638 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:42,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 04:41:42,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:42,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:42,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:42,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:42,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:42,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:42,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:42,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:42,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:42,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 04:41:42,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:42,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:42,657 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:42,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 04:41:42,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:42,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:42,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:42,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:42,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:42,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:42,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:42,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:42,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:42,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 04:41:42,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:42,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:42,678 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:42,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 04:41:42,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:42,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:42,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:42,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:42,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:42,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:42,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:42,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:42,699 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:41:42,704 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:41:42,704 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 04:41:42,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:42,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:42,707 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:42,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 04:41:42,710 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:41:42,710 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:41:42,710 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:41:42,710 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2023-11-29 04:41:42,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 04:41:42,714 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:41:42,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:42,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:41:42,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:41:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:42,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:41:42,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:41:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:42,839 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-29 04:41:42,839 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:42,875 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 13 states. [2023-11-29 04:41:42,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 04:41:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2023-11-29 04:41:42,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 5 letters. [2023-11-29 04:41:42,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:42,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 5 letters. [2023-11-29 04:41:42,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:42,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 10 letters. [2023-11-29 04:41:42,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:42,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2023-11-29 04:41:42,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 04:41:42,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 25 states and 29 transitions. [2023-11-29 04:41:42,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-29 04:41:42,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-29 04:41:42,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2023-11-29 04:41:42,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 04:41:42,881 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-29 04:41:42,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2023-11-29 04:41:42,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2023-11-29 04:41:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-11-29 04:41:42,885 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-11-29 04:41:42,885 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-11-29 04:41:42,885 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 04:41:42,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2023-11-29 04:41:42,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 04:41:42,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:41:42,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:41:42,886 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:42,886 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 04:41:42,887 INFO L748 eck$LassoCheckResult]: Stem: 251#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 252#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 242#L31 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 253#$Ultimate##0 ~m := #in~m;~n := #in~n; 246#L16 assume !(0 == ~n); 258#L19 assume !(~n > 0); 249#L22 assume ~n < 0; 239#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 240#$Ultimate##0 ~m := #in~m;~n := #in~n; 257#L16 assume !(0 == ~n); 254#L19 assume ~n > 0; 237#L20 [2023-11-29 04:41:42,887 INFO L750 eck$LassoCheckResult]: Loop: 237#L20 call #t~ret4 := addition(1 + ~m, ~n - 1);< 238#$Ultimate##0 ~m := #in~m;~n := #in~n; 243#L16 assume !(0 == ~n); 247#L19 assume ~n > 0; 237#L20 [2023-11-29 04:41:42,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:42,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1572724044, now seen corresponding path program 1 times [2023-11-29 04:41:42,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:42,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976268299] [2023-11-29 04:41:42,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:42,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:42,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:42,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976268299] [2023-11-29 04:41:42,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976268299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:42,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:42,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:41:42,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466067060] [2023-11-29 04:41:42,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:42,974 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 04:41:42,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:42,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2042800, now seen corresponding path program 2 times [2023-11-29 04:41:42,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:42,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388639852] [2023-11-29 04:41:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:42,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:42,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 04:41:42,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 04:41:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:43,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:41:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:41:43,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:41:43,088 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:41:43,088 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:41:43,088 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:41:43,088 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:41:43,088 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:41:43,088 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:43,088 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:41:43,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:41:43,089 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2023-11-29 04:41:43,089 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:41:43,089 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:41:43,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:43,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:43,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:43,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:43,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:43,159 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:41:43,160 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:41:43,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:43,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:43,161 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:43,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 04:41:43,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:41:43,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:43,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 04:41:43,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:43,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:43,187 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:43,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 04:41:43,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:41:43,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:41:44,173 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:41:44,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 04:41:44,176 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:41:44,176 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:41:44,176 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:41:44,176 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:41:44,176 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:41:44,176 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:44,176 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:41:44,176 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:41:44,177 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2023-11-29 04:41:44,177 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:41:44,177 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:41:44,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:44,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:44,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:44,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:44,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:41:44,223 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:41:44,223 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:41:44,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:44,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:44,225 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:44,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 04:41:44,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:44,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:44,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:44,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:44,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:44,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:44,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:44,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:44,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:44,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 04:41:44,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:44,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:44,246 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:44,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 04:41:44,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:44,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:44,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:44,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:44,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:44,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:44,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:44,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:44,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:44,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 04:41:44,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:44,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:44,268 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:44,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 04:41:44,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:44,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:44,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:44,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:44,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:44,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:44,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:44,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:44,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:44,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 04:41:44,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:44,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:44,286 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:44,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 04:41:44,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:44,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:44,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:44,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:44,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:44,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:44,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:44,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:44,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:41:44,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 04:41:44,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:44,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:44,305 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:44,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 04:41:44,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:41:44,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:41:44,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:41:44,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:41:44,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:41:44,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:41:44,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:41:44,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:41:44,324 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:41:44,327 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:41:44,328 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 04:41:44,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:41:44,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:44,329 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:44,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 04:41:44,331 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:41:44,331 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:41:44,331 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:41:44,331 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2023-11-29 04:41:44,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-29 04:41:44,335 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:41:44,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:44,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:41:44,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:41:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:44,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:41:44,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:41:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:44,414 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 04:41:44,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:44,448 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 63 transitions. Complement of second has 9 states. [2023-11-29 04:41:44,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 04:41:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-29 04:41:44,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-29 04:41:44,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:44,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2023-11-29 04:41:44,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:44,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 8 letters. [2023-11-29 04:41:44,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:41:44,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 63 transitions. [2023-11-29 04:41:44,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-29 04:41:44,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 47 states and 55 transitions. [2023-11-29 04:41:44,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-29 04:41:44,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2023-11-29 04:41:44,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2023-11-29 04:41:44,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 04:41:44,455 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 55 transitions. [2023-11-29 04:41:44,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2023-11-29 04:41:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2023-11-29 04:41:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 32 states have internal predecessors, (37), 8 states have call successors, (11), 8 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2023-11-29 04:41:44,460 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-11-29 04:41:44,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:41:44,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:41:44,463 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:41:44,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:44,492 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2023-11-29 04:41:44,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 31 transitions. [2023-11-29 04:41:44,493 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:41:44,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2023-11-29 04:41:44,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 04:41:44,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 04:41:44,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 04:41:44,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:44,494 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:41:44,494 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:41:44,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:41:44,495 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:41:44,496 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 04:41:44,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:41:44,496 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:41:44,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 04:41:44,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 04:41:44 BoogieIcfgContainer [2023-11-29 04:41:44,502 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 04:41:44,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:41:44,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:41:44,503 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:41:44,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:33" (3/4) ... [2023-11-29 04:41:44,505 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:41:44,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:41:44,506 INFO L158 Benchmark]: Toolchain (without parser) took 11070.09ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 84.7MB in the end (delta: 41.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-29 04:41:44,507 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:41:44,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.13ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 115.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 04:41:44,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.58ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 114.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:41:44,507 INFO L158 Benchmark]: Boogie Preprocessor took 31.26ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 112.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:41:44,508 INFO L158 Benchmark]: RCFGBuilder took 209.68ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 103.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:41:44,508 INFO L158 Benchmark]: BuchiAutomizer took 10572.99ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 85.6MB in the end (delta: 17.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-29 04:41:44,508 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 84.7MB in the end (delta: 908.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:41:44,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.13ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 115.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.58ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 114.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.26ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 112.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 209.68ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 103.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 10572.99ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 85.6MB in the end (delta: 17.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 84.7MB in the end (delta: 908.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function (-1 * n) and consists of 5 locations. One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 9.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 37 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf92 smp89 dnf100 smp100 tf110 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 8.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 04:41:44,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-29 04:41:44,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2240ce1-790c-4e1e-a9ee-4bbdf8e8320f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE