./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-05-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/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_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-05-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:22:09,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:22:09,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 00:22:09,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:22:09,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:22:10,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:22:10,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:22:10,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:22:10,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:22:10,022 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:22:10,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:22:10,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:22:10,023 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:22:10,024 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 00:22:10,025 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 00:22:10,025 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 00:22:10,026 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 00:22:10,026 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 00:22:10,027 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 00:22:10,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:22:10,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 00:22:10,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:22:10,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:22:10,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 00:22:10,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 00:22:10,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 00:22:10,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:22:10,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:22:10,032 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 00:22:10,032 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:22:10,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:22:10,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:22:10,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:22:10,034 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:22:10,035 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 00:22:10,035 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_703cf81b-7c42-4f2a-96a5-de76cbc012d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 845007623a36603ce9e482c6d1c5ed14d19fc3060912cf335e291aaec83159aa [2023-11-29 00:22:10,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:22:10,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:22:10,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:22:10,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:22:10,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:22:10,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-bwb/or-05-false.c [2023-11-29 00:22:13,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:22:13,242 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:22:13,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/sv-benchmarks/c/termination-bwb/or-05-false.c [2023-11-29 00:22:13,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/data/8d4b156c6/6d5154ae4a4542d5bfe5a5c1b03dc87b/FLAG484d122d7 [2023-11-29 00:22:13,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/data/8d4b156c6/6d5154ae4a4542d5bfe5a5c1b03dc87b [2023-11-29 00:22:13,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:22:13,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:22:13,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:22:13,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:22:13,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:22:13,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7f704e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13, skipping insertion in model container [2023-11-29 00:22:13,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:22:13,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:22:13,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:22:13,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:22:13,433 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:22:13,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13 WrapperNode [2023-11-29 00:22:13,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:22:13,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:22:13,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:22:13,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:22:13,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,459 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-11-29 00:22:13,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:22:13,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:22:13,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:22:13,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:22:13,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,475 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 00:22:13,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:22:13,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:22:13,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:22:13,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:22:13,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (1/1) ... [2023-11-29 00:22:13,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:13,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:13,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 00:22:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:22:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:22:13,604 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:22:13,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:22:13,690 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:22:13,697 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:22:13,697 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:22:13,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:22:13 BoogieIcfgContainer [2023-11-29 00:22:13,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:22:13,700 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 00:22:13,700 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 00:22:13,703 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 00:22:13,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:22:13,703 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:22:13" (1/3) ... [2023-11-29 00:22:13,704 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64e66646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:22:13, skipping insertion in model container [2023-11-29 00:22:13,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:22:13,704 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:22:13" (2/3) ... [2023-11-29 00:22:13,705 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64e66646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:22:13, skipping insertion in model container [2023-11-29 00:22:13,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:22:13,705 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:22:13" (3/3) ... [2023-11-29 00:22:13,706 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-05-false.c [2023-11-29 00:22:13,749 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 00:22:13,749 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 00:22:13,749 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 00:22:13,750 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 00:22:13,750 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 00:22:13,750 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 00:22:13,750 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 00:22:13,750 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 00:22:13,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:13,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 00:22:13,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:22:13,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:22:13,769 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 00:22:13,769 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 00:22:13,769 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 00:22:13,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:13,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 00:22:13,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:22:13,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:22:13,771 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 00:22:13,771 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 00:22:13,776 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 5#L20-2true [2023-11-29 00:22:13,776 INFO L750 eck$LassoCheckResult]: Loop: 5#L20-2true assume !!(main_~x~0#1 > 0); 11#L20true assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 5#L20-2true [2023-11-29 00:22:13,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:13,780 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 00:22:13,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:13,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799522710] [2023-11-29 00:22:13,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:13,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:13,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:13,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:13,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:13,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2023-11-29 00:22:13,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:13,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042743268] [2023-11-29 00:22:13,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:13,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:13,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:13,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:13,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:13,886 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2023-11-29 00:22:13,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:13,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530748641] [2023-11-29 00:22:13,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:13,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:13,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:13,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:13,969 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 00:22:13,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 00:22:13,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 00:22:13,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 00:22:13,970 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 00:22:13,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:13,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 00:22:13,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 00:22:13,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2023-11-29 00:22:13,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 00:22:13,971 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 00:22:13,984 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 00:22:13,999 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 00:22:14,077 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 00:22:14,078 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 00:22:14,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 00:22:14,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 00:22:14,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 00:22:14,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:22:14,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 00:22:14,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 00:22:14,128 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 00:22:14,160 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 00:22:14,160 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=1}] Lambdas: [12, 8, 1] Nus: [1, 0] [2023-11-29 00:22:14,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 00:22:14,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,166 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 00:22:14,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 00:22:14,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 00:22:14,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 00:22:14,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 00:22:14,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 00:22:14,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 00:22:14,225 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 00:22:14,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 00:22:14,228 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 00:22:14,229 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 00:22:14,229 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 00:22:14,229 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 00:22:14,229 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 00:22:14,229 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,230 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 00:22:14,230 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 00:22:14,230 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Loop [2023-11-29 00:22:14,230 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 00:22:14,230 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 00:22:14,231 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 00:22:14,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:22:14,291 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 00:22:14,295 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 00:22:14,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,298 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 00:22:14,306 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 00:22:14,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:14,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:22:14,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 00:22:14,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 00:22:14,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,334 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 00:22:14,338 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 00:22:14,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:14,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,350 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:22:14,353 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 00:22:14,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 00:22:14,361 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-29 00:22:14,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 00:22:14,369 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 00:22:14,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:14,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,383 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 00:22:14,385 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 00:22:14,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 00:22:14,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,395 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 00:22:14,408 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 00:22:14,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:14,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,422 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,422 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 00:22:14,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:22:14,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-29 00:22:14,436 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-29 00:22:14,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,437 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 00:22:14,439 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 00:22:14,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:14,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,450 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 00:22:14,452 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 00:22:14,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 00:22:14,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,461 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 00:22:14,463 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 00:22:14,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:14,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,474 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,474 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 00:22:14,478 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 00:22:14,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 00:22:14,492 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-29 00:22:14,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,493 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 00:22:14,497 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 00:22:14,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:14,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,510 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 00:22:14,512 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 00:22:14,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-29 00:22:14,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,523 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 00:22:14,525 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 00:22:14,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:14,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,539 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,539 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 00:22:14,543 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2023-11-29 00:22:14,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 00:22:14,560 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-29 00:22:14,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,561 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 00:22:14,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:22:14,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 00:22:14,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,577 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 00:22:14,579 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 00:22:14,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 00:22:14,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,594 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 00:22:14,600 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 00:22:14,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,613 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 00:22:14,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,613 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,614 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 00:22:14,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:22:14,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-29 00:22:14,632 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-29 00:22:14,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,634 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 00:22:14,639 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 00:22:14,652 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,652 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 00:22:14,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,652 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 00:22:14,655 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 00:22:14,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 00:22:14,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,674 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 00:22:14,676 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 00:22:14,690 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,690 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 00:22:14,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,691 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,691 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 00:22:14,697 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 00:22:14,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 00:22:14,719 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-29 00:22:14,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,720 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 00:22:14,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:22:14,737 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,737 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 00:22:14,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,737 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 00:22:14,742 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 00:22:14,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-29 00:22:14,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,764 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 00:22:14,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:22:14,782 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,782 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 00:22:14,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,782 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,783 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 00:22:14,791 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2023-11-29 00:22:14,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 00:22:14,816 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-29 00:22:14,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,818 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 00:22:14,821 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 00:22:14,834 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,834 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 00:22:14,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,835 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 00:22:14,836 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 00:22:14,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 00:22:14,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,847 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 00:22:14,853 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 00:22:14,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,863 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 00:22:14,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,863 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,864 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 00:22:14,867 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 00:22:14,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 00:22:14,880 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-29 00:22:14,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,881 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 00:22:14,885 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 00:22:14,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,898 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 00:22:14,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:22:14,899 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 00:22:14,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:22:14,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 00:22:14,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:14,917 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:14,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 00:22:14,921 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 00:22:14,934 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 00:22:14,934 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 00:22:14,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:22:14,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:14,934 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:14,934 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 00:22:14,939 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 00:22:14,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:22:14,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:22:14,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 00:22:14,964 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 00:22:14,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 00:22:14,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 00:22:14,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 00:22:14,964 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 00:22:14,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:14,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 00:22:14,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 00:22:14,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2023-11-29 00:22:14,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 00:22:14,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 00:22:14,967 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 00:22:14,974 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 00:22:14,977 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 00:22:14,979 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 00:22:14,982 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 00:22:15,041 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 00:22:15,041 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 00:22:15,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:15,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:15,044 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:15,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 00:22:15,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 00:22:15,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 00:22:15,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 00:22:15,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:15,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:15,067 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:15,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 00:22:15,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 00:22:15,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 00:22:15,097 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 00:22:15,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-29 00:22:15,102 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 00:22:15,102 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 00:22:15,102 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 00:22:15,102 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 00:22:15,102 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 00:22:15,102 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:15,102 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 00:22:15,102 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 00:22:15,102 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-05-false.c_Iteration1_Lasso [2023-11-29 00:22:15,102 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 00:22:15,102 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 00:22:15,104 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 00:22:15,112 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 00:22:15,114 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 00:22:15,117 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 00:22:15,119 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 00:22:15,174 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 00:22:15,174 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 00:22:15,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:15,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:15,175 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:15,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 00:22:15,179 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 00:22:15,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:22:15,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:22:15,189 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 00:22:15,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:22:15,197 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-29 00:22:15,198 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 00:22:15,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 00:22:15,261 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-29 00:22:15,262 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-29 00:22:15,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:22:15,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:15,293 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:22:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 00:22:15,295 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 00:22:15,311 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-11-29 00:22:15,312 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 00:22:15,312 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_main_~y~0#1 + 1 >= 0] [2023-11-29 00:22:15,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-29 00:22:15,325 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-11-29 00:22:15,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:15,370 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:22:15,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:22:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:15,384 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:22:15,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:22:15,398 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 00:22:15,433 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 00:22:15,435 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:15,505 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 39 transitions. Complement of second has 6 states. [2023-11-29 00:22:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 00:22:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2023-11-29 00:22:15,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-29 00:22:15,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 00:22:15,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-29 00:22:15,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 00:22:15,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-29 00:22:15,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 00:22:15,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 39 transitions. [2023-11-29 00:22:15,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 00:22:15,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 15 states and 22 transitions. [2023-11-29 00:22:15,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-29 00:22:15,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-29 00:22:15,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 22 transitions. [2023-11-29 00:22:15,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 00:22:15,526 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2023-11-29 00:22:15,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 22 transitions. [2023-11-29 00:22:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-29 00:22:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2023-11-29 00:22:15,553 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 21 transitions. [2023-11-29 00:22:15,553 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 21 transitions. [2023-11-29 00:22:15,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 00:22:15,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 21 transitions. [2023-11-29 00:22:15,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 00:22:15,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:22:15,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:22:15,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 00:22:15,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 00:22:15,555 INFO L748 eck$LassoCheckResult]: Stem: 91#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 92#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 93#L20-2 assume !!(main_~x~0#1 > 0); 82#L20 [2023-11-29 00:22:15,555 INFO L750 eck$LassoCheckResult]: Loop: 82#L20 assume 1 == main_~y~0#1; 85#L21 assume 0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1;main_#t~nondet1#1 := 1 + main_~y~0#1; 86#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 81#L20-2 assume !!(main_~x~0#1 > 0); 82#L20 [2023-11-29 00:22:15,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,556 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-29 00:22:15,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:15,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378081780] [2023-11-29 00:22:15,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:15,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:15,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1357749, now seen corresponding path program 1 times [2023-11-29 00:22:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:15,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67542844] [2023-11-29 00:22:15,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:15,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:15,609 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 00:22:15,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:22:15,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67542844] [2023-11-29 00:22:15,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67542844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:22:15,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:22:15,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:22:15,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510523553] [2023-11-29 00:22:15,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:22:15,613 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 00:22:15,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:22:15,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:22:15,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:22:15,617 INFO L87 Difference]: Start difference. First operand 14 states and 21 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:15,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:22:15,633 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2023-11-29 00:22:15,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2023-11-29 00:22:15,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 00:22:15,635 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2023-11-29 00:22:15,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-29 00:22:15,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-29 00:22:15,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2023-11-29 00:22:15,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 00:22:15,635 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-29 00:22:15,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2023-11-29 00:22:15,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2023-11-29 00:22:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2023-11-29 00:22:15,638 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-29 00:22:15,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:22:15,639 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-29 00:22:15,639 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 00:22:15,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2023-11-29 00:22:15,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 00:22:15,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:22:15,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:22:15,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 00:22:15,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 00:22:15,641 INFO L748 eck$LassoCheckResult]: Stem: 125#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 129#L20-2 assume !!(main_~x~0#1 > 0); 118#L20 [2023-11-29 00:22:15,641 INFO L750 eck$LassoCheckResult]: Loop: 118#L20 assume 1 == main_~y~0#1; 121#L21 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 122#L21-2 assume !(0 == 1 + main_~y~0#1);assume (main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 >= 1 + main_~y~0#1;assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 >= main_~y~0#1;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume main_#t~nondet1#1 <= 2147483647; 127#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 117#L20-2 assume !!(main_~x~0#1 > 0); 118#L20 [2023-11-29 00:22:15,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,642 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2023-11-29 00:22:15,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:15,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654946101] [2023-11-29 00:22:15,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:15,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:15,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,650 INFO L85 PathProgramCache]: Analyzing trace with hash 42148355, now seen corresponding path program 1 times [2023-11-29 00:22:15,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:15,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927963773] [2023-11-29 00:22:15,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:15,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:15,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,668 INFO L85 PathProgramCache]: Analyzing trace with hash 295992764, now seen corresponding path program 1 times [2023-11-29 00:22:15,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:15,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463708849] [2023-11-29 00:22:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:15,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:22:15,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:22:15,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463708849] [2023-11-29 00:22:15,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463708849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:22:15,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:22:15,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:22:15,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260135210] [2023-11-29 00:22:15,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:22:15,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:22:15,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:22:15,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:22:15,767 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:15,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:22:15,779 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2023-11-29 00:22:15,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2023-11-29 00:22:15,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 00:22:15,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 17 transitions. [2023-11-29 00:22:15,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-29 00:22:15,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-29 00:22:15,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2023-11-29 00:22:15,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 00:22:15,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-29 00:22:15,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2023-11-29 00:22:15,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-29 00:22:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-29 00:22:15,783 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-29 00:22:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:22:15,784 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-29 00:22:15,784 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 00:22:15,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2023-11-29 00:22:15,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 00:22:15,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:22:15,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:22:15,786 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2023-11-29 00:22:15,786 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 00:22:15,786 INFO L748 eck$LassoCheckResult]: Stem: 163#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0; 155#L20-2 assume !!(main_~x~0#1 > 0); 156#L20 assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 169#L20-2 assume !!(main_~x~0#1 > 0); 168#L20 [2023-11-29 00:22:15,786 INFO L750 eck$LassoCheckResult]: Loop: 168#L20 assume 1 == main_~y~0#1; 159#L21 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 160#L21-2 assume !(0 == 1 + main_~y~0#1);assume (main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 >= 1 + main_~y~0#1;assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 >= main_~y~0#1;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume main_#t~nondet1#1 <= 2147483647; 165#L21-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 167#L20-2 assume !!(main_~x~0#1 > 0); 168#L20 [2023-11-29 00:22:15,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,786 INFO L85 PathProgramCache]: Analyzing trace with hash 28700183, now seen corresponding path program 2 times [2023-11-29 00:22:15,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:15,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704480810] [2023-11-29 00:22:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:15,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,797 INFO L85 PathProgramCache]: Analyzing trace with hash 42148355, now seen corresponding path program 2 times [2023-11-29 00:22:15,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:15,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527797617] [2023-11-29 00:22:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:15,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:15,812 INFO L85 PathProgramCache]: Analyzing trace with hash 282890669, now seen corresponding path program 1 times [2023-11-29 00:22:15,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:15,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182459941] [2023-11-29 00:22:15,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:15,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:22:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:22:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:22:15,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:22:15 BoogieIcfgContainer [2023-11-29 00:22:15,949 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 00:22:15,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:22:15,950 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:22:15,950 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:22:15,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:22:13" (3/4) ... [2023-11-29 00:22:15,953 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:22:15,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:22:15,955 INFO L158 Benchmark]: Toolchain (without parser) took 2691.70ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 101.4MB in the beginning and 102.7MB in the end (delta: -1.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-29 00:22:15,955 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:22:15,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.20ms. Allocated memory is still 146.8MB. Free memory was 101.4MB in the beginning and 92.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 00:22:15,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.18ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 90.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:22:15,956 INFO L158 Benchmark]: Boogie Preprocessor took 24.54ms. Allocated memory is still 146.8MB. Free memory was 90.8MB in the beginning and 89.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:22:15,957 INFO L158 Benchmark]: RCFGBuilder took 213.70ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 80.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 00:22:15,957 INFO L158 Benchmark]: BuchiAutomizer took 2249.12ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 79.9MB in the beginning and 102.7MB in the end (delta: -22.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-29 00:22:15,957 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 176.2MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:22:15,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.20ms. Allocated memory is still 146.8MB. Free memory was 101.4MB in the beginning and 92.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.18ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 90.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.54ms. Allocated memory is still 146.8MB. Free memory was 90.8MB in the beginning and 89.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 213.70ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 80.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2249.12ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 79.9MB in the beginning and 102.7MB in the end (delta: -22.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 176.2MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function ((-2 * y) + 1) and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 19 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf94 smp100 dnf132 smp100 tf104 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 137ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: y|(y+1) [21] (Reason bitwiseOr) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;" "assume !!(main_~x~0#1 > 0);" "assume !(1 == main_~y~0#1);main_~y~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume !!(main_~x~0#1 > 0);" Loop: "assume 1 == main_~y~0#1;" "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);assume (main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 >= 1 + main_~y~0#1;assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 >= main_~y~0#1;assume (main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~nondet1#1 <= main_~y~0#1 + (1 + main_~y~0#1);assume (main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~nondet1#1 < 0;assume main_#t~nondet1#1 <= 2147483647;" "main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "assume !!(main_~x~0#1 > 0);" RESULT: Ultimate could not prove your program: unable to determine termination [2023-11-29 00:22:15,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 00:22:16,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703cf81b-7c42-4f2a-96a5-de76cbc012d1/bin/uautomizer-verify-BQ2R08f2Ya/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN