./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd --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 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:07:13,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:07:13,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 14:07:13,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:07:13,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:07:13,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:07:13,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:07:13,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:07:13,379 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:07:13,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:07:13,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:07:13,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:07:13,381 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:07:13,381 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:07:13,382 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:07:13,382 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:07:13,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:07:13,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:07:13,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:07:13,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:07:13,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:07:13,384 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:07:13,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:07:13,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:07:13,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:07:13,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:07:13,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:07:13,386 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:07:13,386 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd 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 -> 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 [2024-11-13 14:07:13,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:07:13,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:07:13,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:07:13,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:07:13,764 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:07:13,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-bwb/and-05.c Unable to find full path for "g++" [2024-11-13 14:07:15,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:07:16,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:07:16,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/sv-benchmarks/c/termination-bwb/and-05.c [2024-11-13 14:07:16,140 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/data/46c56ac0f/66a53f37fc8d4d1c81e8090ae5a75fb2/FLAGf89a3020e [2024-11-13 14:07:16,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/data/46c56ac0f/66a53f37fc8d4d1c81e8090ae5a75fb2 [2024-11-13 14:07:16,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:07:16,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:07:16,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:07:16,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:07:16,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:07:16,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f29b56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16, skipping insertion in model container [2024-11-13 14:07:16,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:07:16,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:07:16,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:07:16,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:07:16,609 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:07:16,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16 WrapperNode [2024-11-13 14:07:16,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:07:16,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:07:16,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:07:16,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:07:16,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,643 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-11-13 14:07:16,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:07:16,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:07:16,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:07:16,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:07:16,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,655 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,662 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:07:16,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:07:16,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:07:16,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:07:16,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:07:16,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (1/1) ... [2024-11-13 14:07:16,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:16,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:16,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:16,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:07:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:07:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:07:16,814 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:07:16,816 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:07:16,936 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 14:07:16,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:07:16,947 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:07:16,948 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:07:16,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:07:16 BoogieIcfgContainer [2024-11-13 14:07:16,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:07:16,951 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:07:16,952 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:07:16,957 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:07:16,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:07:16,959 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:07:16" (1/3) ... [2024-11-13 14:07:16,961 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45c4cade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:07:16, skipping insertion in model container [2024-11-13 14:07:16,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:07:16,962 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:16" (2/3) ... [2024-11-13 14:07:16,962 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45c4cade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:07:16, skipping insertion in model container [2024-11-13 14:07:16,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:07:16,963 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:07:16" (3/3) ... [2024-11-13 14:07:16,964 INFO L333 chiAutomizerObserver]: Analyzing ICFG and-05.c [2024-11-13 14:07:17,048 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:07:17,048 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:07:17,048 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:07:17,048 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:07:17,048 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:07:17,048 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:07:17,049 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:07:17,049 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:07:17,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-13 14:07:17,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:07:17,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:07:17,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:07:17,075 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:07:17,076 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:07:17,076 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:07:17,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-13 14:07:17,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:07:17,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:07:17,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:07:17,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:07:17,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:07:17,088 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L16-2true [2024-11-13 14:07:17,093 INFO L747 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 3#L17true assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~bitwise2#1 := 0; 10#L17-5true main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 8#L16-2true [2024-11-13 14:07:17,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:17,102 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 14:07:17,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:17,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232880090] [2024-11-13 14:07:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:17,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:17,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:17,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:17,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:17,212 INFO L85 PathProgramCache]: Analyzing trace with hash 39827, now seen corresponding path program 1 times [2024-11-13 14:07:17,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:17,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658775552] [2024-11-13 14:07:17,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:17,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:17,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:17,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:17,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:17,248 INFO L85 PathProgramCache]: Analyzing trace with hash 28698769, now seen corresponding path program 1 times [2024-11-13 14:07:17,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:17,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158176120] [2024-11-13 14:07:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:17,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:17,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:17,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:17,406 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:17,407 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:17,407 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:17,407 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:17,407 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:07:17,407 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:17,408 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:17,408 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:17,408 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2024-11-13 14:07:17,408 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:17,408 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:17,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:17,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:17,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:17,516 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:17,517 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:07:17,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:17,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:17,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:17,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 14:07:17,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:17,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:17,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 14:07:17,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:17,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:17,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:17,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 14:07:17,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:07:17,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:17,573 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:07:17,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:17,593 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:17,593 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:17,593 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:17,593 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:17,593 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:07:17,594 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:17,594 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:17,594 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:17,594 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2024-11-13 14:07:17,594 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:17,594 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:17,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:17,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:17,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:17,669 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:17,673 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:07:17,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:17,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:17,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:17,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 14:07:17,680 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 [2024-11-13 14:07:17,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:17,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:17,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:17,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:17,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:07:17,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:07:17,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:17,705 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:07:17,710 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-13 14:07:17,714 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 14:07:17,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:17,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:17,720 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:17,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 14:07:17,722 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:07:17,722 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 14:07:17,723 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:07:17,723 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-13 14:07:17,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 14:07:17,744 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 14:07:17,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:17,794 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:07:17,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:17,816 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:07:17,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:17,920 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-13 14:07:17,923 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-13 14:07:18,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 14:07:18,107 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 38 states and 50 transitions. Complement of second has 10 states. [2024-11-13 14:07:18,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-13 14:07:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-13 14:07:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2024-11-13 14:07:18,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-13 14:07:18,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:18,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-13 14:07:18,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:18,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-13 14:07:18,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:18,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 50 transitions. [2024-11-13 14:07:18,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:07:18,129 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 21 states and 29 transitions. [2024-11-13 14:07:18,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:07:18,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-13 14:07:18,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2024-11-13 14:07:18,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:07:18,131 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2024-11-13 14:07:18,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2024-11-13 14:07:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2024-11-13 14:07:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 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) [2024-11-13 14:07:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-11-13 14:07:18,158 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-13 14:07:18,158 INFO L424 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-13 14:07:18,158 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:07:18,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-11-13 14:07:18,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:07:18,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:07:18,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:07:18,162 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 14:07:18,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 14:07:18,162 INFO L745 eck$LassoCheckResult]: Stem: 107#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 108#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 109#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 102#L17 [2024-11-13 14:07:18,162 INFO L747 eck$LassoCheckResult]: Loop: 102#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 96#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~bitwise2#1 := main_~x~0#1 - 1; 97#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 105#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 102#L17 [2024-11-13 14:07:18,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:18,164 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 14:07:18,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:18,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793194861] [2024-11-13 14:07:18,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:18,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:18,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:18,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1388407, now seen corresponding path program 1 times [2024-11-13 14:07:18,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:18,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106239830] [2024-11-13 14:07:18,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:18,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:18,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:18,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1809768733, now seen corresponding path program 1 times [2024-11-13 14:07:18,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:18,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77438285] [2024-11-13 14:07:18,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:18,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:18,279 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:18,280 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:18,280 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:18,280 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:18,280 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:07:18,280 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:18,280 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:18,280 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:18,280 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2024-11-13 14:07:18,280 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:18,280 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:18,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:18,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:18,327 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:18,327 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:07:18,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:18,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:18,329 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:18,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 14:07:18,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:18,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:18,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 14:07:18,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:18,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:18,373 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:18,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 14:07:18,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:07:18,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:18,493 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:07:18,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 14:07:18,496 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:18,496 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:18,496 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:18,497 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:18,497 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:07:18,497 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:18,497 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:18,497 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:18,497 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2024-11-13 14:07:18,497 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:18,497 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:18,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:18,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:18,548 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:18,548 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:07:18,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:18,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:18,551 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:18,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 14:07:18,555 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 [2024-11-13 14:07:18,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:18,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:18,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:18,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:18,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:07:18,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:07:18,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:18,577 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:07:18,581 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 14:07:18,581 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 14:07:18,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:18,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:18,586 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:18,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 14:07:18,588 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:07:18,588 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 14:07:18,588 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:07:18,588 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-13 14:07:18,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:18,610 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 14:07:18,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:18,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:07:18,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:18,657 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:07:18,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:18,728 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-13 14:07:18,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:18,780 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 9 states. [2024-11-13 14:07:18,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-13 14:07:18,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2024-11-13 14:07:18,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-13 14:07:18,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:18,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-13 14:07:18,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:18,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-13 14:07:18,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:18,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2024-11-13 14:07:18,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:07:18,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 28 states and 37 transitions. [2024-11-13 14:07:18,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:07:18,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-13 14:07:18,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 37 transitions. [2024-11-13 14:07:18,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:07:18,787 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2024-11-13 14:07:18,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 37 transitions. [2024-11-13 14:07:18,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2024-11-13 14:07:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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) [2024-11-13 14:07:18,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2024-11-13 14:07:18,791 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-11-13 14:07:18,791 INFO L424 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-11-13 14:07:18,792 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 14:07:18,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2024-11-13 14:07:18,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:07:18,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:07:18,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:07:18,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 14:07:18,793 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-13 14:07:18,793 INFO L745 eck$LassoCheckResult]: Stem: 202#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 203#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_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 204#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 193#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 195#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1); 199#L17-4 [2024-11-13 14:07:18,793 INFO L747 eck$LassoCheckResult]: Loop: 199#L17-4 havoc main_#t~bitwise2#1;assume (((((main_~x~0#1 - 1 < 0 && main_~y~0#1 >= 0) || main_#t~bitwise2#1 <= main_~x~0#1 - 1) && ((main_~x~0#1 - 1 >= 0 && main_~y~0#1 < 0) || main_#t~bitwise2#1 <= main_~y~0#1)) && ((main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~bitwise2#1 >= 0)) && ((main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~bitwise2#1 > main_~x~0#1 - 1 + main_~y~0#1)) && main_#t~bitwise2#1 >= -2147483648; 207#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 208#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 212#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 211#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1); 199#L17-4 [2024-11-13 14:07:18,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:18,794 INFO L85 PathProgramCache]: Analyzing trace with hash 28698828, now seen corresponding path program 1 times [2024-11-13 14:07:18,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:18,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204339578] [2024-11-13 14:07:18,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:18,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:18,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:18,803 INFO L85 PathProgramCache]: Analyzing trace with hash 48718380, now seen corresponding path program 1 times [2024-11-13 14:07:18,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:18,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557974729] [2024-11-13 14:07:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:18,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:18,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:18,819 INFO L85 PathProgramCache]: Analyzing trace with hash 151666753, now seen corresponding path program 1 times [2024-11-13 14:07:18,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:18,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22768557] [2024-11-13 14:07:18,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:18,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:18,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:18,951 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:18,951 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:18,951 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:18,951 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:18,951 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:07:18,951 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:18,951 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:18,951 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:18,951 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2024-11-13 14:07:18,951 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:18,951 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:18,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:18,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:19,050 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:19,050 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:07:19,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,054 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 14:07:19,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:19,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:19,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 14:07:19,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,104 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 14:07:19,108 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:07:19,109 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:19,263 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:07:19,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 14:07:19,268 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:19,268 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:19,268 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:19,268 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:19,269 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:07:19,269 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,269 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:19,269 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:19,269 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2024-11-13 14:07:19,269 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:19,269 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:19,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:19,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:19,361 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:19,362 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:07:19,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,365 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 14:07:19,368 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 [2024-11-13 14:07:19,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:19,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:19,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:07:19,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:07:19,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,386 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 14:07:19,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,410 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 14:07:19,413 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 [2024-11-13 14:07:19,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:19,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,427 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:19,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:07:19,429 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-13 14:07:19,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,433 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:19,451 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-13 14:07:19,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,453 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 14:07:19,455 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 [2024-11-13 14:07:19,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:19,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:19,469 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 14:07:19,470 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-13 14:07:19,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,476 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 14:07:19,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,497 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 14:07:19,501 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 [2024-11-13 14:07:19,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:19,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,529 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:19,529 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 14:07:19,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:07:19,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,557 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 14:07:19,579 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-13 14:07:19,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,582 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 14:07:19,585 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 [2024-11-13 14:07:19,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:19,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:19,602 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-13 14:07:19,603 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-13 14:07:19,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,614 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-13 14:07:19,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,644 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 14:07:19,649 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 [2024-11-13 14:07:19,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:19,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,683 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:19,684 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-13 14:07:19,698 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-13 14:07:19,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,714 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:19,752 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-13 14:07:19,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,754 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 14:07:19,757 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 [2024-11-13 14:07:19,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:19,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:19,772 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-13 14:07:19,775 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-13 14:07:19,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,779 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 14:07:19,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,816 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 14:07:19,818 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 [2024-11-13 14:07:19,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:19,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,831 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:19,831 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-13 14:07:19,837 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-11-13 14:07:19,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 14:07:19,866 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-13 14:07:19,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,869 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 14:07:19,895 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 [2024-11-13 14:07:19,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 14:07:19,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:19,909 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-13 14:07:19,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:19,910 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 14:07:19,911 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-13 14:07:19,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,914 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:19,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,935 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 14:07:19,937 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 [2024-11-13 14:07:19,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:19,949 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-13 14:07:19,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:19,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:19,949 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:19,949 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 14:07:19,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:07:19,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:19,963 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:19,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-13 14:07:19,982 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-13 14:07:19,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:19,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:19,985 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:19,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 14:07:19,987 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 [2024-11-13 14:07:20,003 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:20,003 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-13 14:07:20,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:20,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:20,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:20,003 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-13 14:07:20,005 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-13 14:07:20,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:20,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:20,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:20,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,032 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 14:07:20,035 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 [2024-11-13 14:07:20,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:20,051 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-13 14:07:20,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:20,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:20,051 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:20,051 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-13 14:07:20,059 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-13 14:07:20,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:20,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:20,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:20,103 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-13 14:07:20,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,105 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 14:07:20,108 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 [2024-11-13 14:07:20,121 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:20,121 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-13 14:07:20,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:20,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:20,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:20,121 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-13 14:07:20,124 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-13 14:07:20,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:20,134 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:20,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-13 14:07:20,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,155 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 14:07:20,159 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 [2024-11-13 14:07:20,176 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:20,176 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-13 14:07:20,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:20,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:20,178 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:20,178 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-13 14:07:20,187 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-11-13 14:07:20,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:20,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:20,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 14:07:20,235 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-13 14:07:20,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,237 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 14:07:20,242 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 [2024-11-13 14:07:20,255 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:20,255 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-13 14:07:20,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:20,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:20,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:20,255 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-13 14:07:20,256 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-13 14:07:20,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:20,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:20,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 14:07:20,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,279 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 14:07:20,281 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 [2024-11-13 14:07:20,297 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:20,298 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-13 14:07:20,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:20,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:20,298 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:20,298 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-13 14:07:20,302 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-13 14:07:20,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:20,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:20,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-13 14:07:20,333 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-13 14:07:20,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,336 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 14:07:20,339 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 [2024-11-13 14:07:20,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:20,353 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-13 14:07:20,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:20,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:20,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:20,353 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-13 14:07:20,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:07:20,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:20,365 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:20,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-13 14:07:20,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,381 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 14:07:20,383 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 [2024-11-13 14:07:20,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-13 14:07:20,395 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-13 14:07:20,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:20,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:20,396 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:20,396 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-13 14:07:20,403 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-13 14:07:20,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:20,421 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:20,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-13 14:07:20,481 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:20,481 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:20,481 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:20,482 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:20,482 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:07:20,482 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,482 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:20,482 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:20,482 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Lasso [2024-11-13 14:07:20,482 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:20,482 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:20,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:20,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:20,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:20,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:20,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:20,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:20,699 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:20,699 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:07:20,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,702 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-13 14:07:20,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:20,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:20,727 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:07:20,727 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:07:20,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:20,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,757 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-13 14:07:20,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:20,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:20,782 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:07:20,782 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:07:20,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-13 14:07:20,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,805 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-13 14:07:20,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:20,809 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:20,833 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:07:20,833 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:07:20,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:20,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,854 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-13 14:07:20,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:20,855 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:20,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-13 14:07:20,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:20,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:20,890 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:20,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-13 14:07:20,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:07:20,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:21,027 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:07:21,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-13 14:07:21,031 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:21,031 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:21,031 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:21,031 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:21,031 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:07:21,031 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:21,031 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:21,031 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:21,031 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Lasso [2024-11-13 14:07:21,031 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:21,031 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:21,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:21,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:21,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:21,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:21,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:21,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:21,215 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:21,215 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:07:21,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:21,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:21,217 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:21,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-13 14:07:21,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:07:21,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:21,235 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-13 14:07:21,235 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:07:21,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:07:21,252 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-11-13 14:07:21,252 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-13 14:07:21,278 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:07:21,319 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-13 14:07:21,319 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-13 14:07:21,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:21,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:21,321 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:21,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-13 14:07:21,324 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:07:21,345 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-11-13 14:07:21,345 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:07:21,345 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [-3*ULTIMATE.start_main_~y~0#1 + 4*ULTIMATE.start_main_~x~0#1 >= 0, 2*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2024-11-13 14:07:21,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:21,370 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-13 14:07:21,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:21,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:07:21,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:21,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:07:21,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:21,532 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2024-11-13 14:07:21,532 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:21,613 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 68 transitions. Complement of second has 8 states. [2024-11-13 14:07:21,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:07:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2024-11-13 14:07:21,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 5 letters. [2024-11-13 14:07:21,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:21,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 10 letters. Loop has 5 letters. [2024-11-13 14:07:21,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:21,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 10 letters. [2024-11-13 14:07:21,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:21,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 68 transitions. [2024-11-13 14:07:21,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:07:21,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 17 states and 20 transitions. [2024-11-13 14:07:21,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-13 14:07:21,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-13 14:07:21,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2024-11-13 14:07:21,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:07:21,618 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-13 14:07:21,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2024-11-13 14:07:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2024-11-13 14:07:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 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) [2024-11-13 14:07:21,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-13 14:07:21,620 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-13 14:07:21,620 INFO L424 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-13 14:07:21,620 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 14:07:21,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-11-13 14:07:21,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:07:21,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:07:21,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:07:21,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-11-13 14:07:21,621 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 14:07:21,621 INFO L745 eck$LassoCheckResult]: Stem: 350#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 351#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 348#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 343#L17 assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~bitwise2#1 := 0; 344#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 353#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 341#L17 [2024-11-13 14:07:21,621 INFO L747 eck$LassoCheckResult]: Loop: 341#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 342#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~bitwise2#1 := main_~x~0#1 - 1; 346#L17-5 main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1; 352#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 341#L17 [2024-11-13 14:07:21,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:21,622 INFO L85 PathProgramCache]: Analyzing trace with hash 889661849, now seen corresponding path program 2 times [2024-11-13 14:07:21,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:21,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671892775] [2024-11-13 14:07:21,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:21,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:21,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:07:21,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671892775] [2024-11-13 14:07:21,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671892775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:07:21,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:07:21,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:07:21,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120090311] [2024-11-13 14:07:21,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:07:21,747 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:07:21,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:21,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1388407, now seen corresponding path program 2 times [2024-11-13 14:07:21,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:21,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096102383] [2024-11-13 14:07:21,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:21,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:21,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:21,799 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:21,799 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:21,799 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:21,799 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:21,799 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:07:21,799 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:21,800 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:21,800 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:21,800 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2024-11-13 14:07:21,800 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:21,800 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:21,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:21,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:21,842 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:21,843 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:07:21,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:21,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:21,845 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:21,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-13 14:07:21,848 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:21,848 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:21,862 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:07:21,862 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:07:21,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:21,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:21,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:21,877 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:21,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-13 14:07:21,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:07:21,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:21,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:21,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:21,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:21,905 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:21,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-13 14:07:21,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:07:21,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:07:22,004 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:07:22,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-13 14:07:22,007 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:07:22,008 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:07:22,008 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:07:22,008 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:07:22,008 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:07:22,008 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:22,008 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:07:22,008 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:07:22,008 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2024-11-13 14:07:22,008 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:07:22,008 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:07:22,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:22,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:07:22,048 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:07:22,049 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:07:22,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:22,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:22,050 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:22,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-13 14:07:22,053 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 [2024-11-13 14:07:22,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:22,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:22,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:22,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:22,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:07:22,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:07:22,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:22,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:07:22,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-13 14:07:22,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:22,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:22,079 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:22,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-13 14:07:22,080 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 [2024-11-13 14:07:22,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:07:22,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:07:22,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:07:22,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:07:22,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:07:22,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:07:22,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:07:22,097 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:07:22,103 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-13 14:07:22,103 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-13 14:07:22,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:07:22,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:22,107 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:22,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-13 14:07:22,109 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:07:22,109 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 14:07:22,109 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:07:22,109 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-13 14:07:22,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-13 14:07:22,122 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 14:07:22,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:22,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:07:22,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:22,165 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:07:22,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:22,214 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-13 14:07:22,214 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:22,244 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 23 transitions. Complement of second has 9 states. [2024-11-13 14:07:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-13 14:07:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2024-11-13 14:07:22,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-13 14:07:22,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:22,247 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:07:22,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:22,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:07:22,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:22,293 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:07:22,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:22,346 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-13 14:07:22,346 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:22,382 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 23 transitions. Complement of second has 9 states. [2024-11-13 14:07:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-13 14:07:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2024-11-13 14:07:22,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-13 14:07:22,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:22,384 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:07:22,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:22,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:07:22,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:22,434 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:07:22,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:07:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:22,490 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-13 14:07:22,491 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:22,536 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 23 transitions. Complement of second has 8 states. [2024-11-13 14:07:22,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-13 14:07:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-13 14:07:22,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-13 14:07:22,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:22,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-13 14:07:22,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:22,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-13 14:07:22,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:07:22,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2024-11-13 14:07:22,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:07:22,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-11-13 14:07:22,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 14:07:22,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 14:07:22,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 14:07:22,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:07:22,544 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:07:22,544 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:07:22,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:07:22,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:07:22,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:07:22,549 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:07:22,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:07:22,552 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-13 14:07:22,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-13 14:07:22,552 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:07:22,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:07:22,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 14:07:22,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 14:07:22,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 14:07:22,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:07:22,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:07:22,553 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:07:22,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:07:22,553 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:07:22,554 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 14:07:22,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:07:22,554 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:07:22,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 14:07:22,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:07:22 BoogieIcfgContainer [2024-11-13 14:07:22,564 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:07:22,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:07:22,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:07:22,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:07:22,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:07:16" (3/4) ... [2024-11-13 14:07:22,569 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:07:22,570 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:07:22,571 INFO L158 Benchmark]: Toolchain (without parser) took 6176.26ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 206.9MB in the end (delta: -113.1MB). Peak memory consumption was 122.5MB. Max. memory is 16.1GB. [2024-11-13 14:07:22,571 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:07:22,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.52ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:07:22,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.64ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:07:22,572 INFO L158 Benchmark]: Boogie Preprocessor took 34.40ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:07:22,573 INFO L158 Benchmark]: RCFGBuilder took 269.79ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 72.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:07:22,573 INFO L158 Benchmark]: BuchiAutomizer took 5613.28ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.4MB in the beginning and 206.9MB in the end (delta: -134.5MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2024-11-13 14:07:22,574 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 352.3MB. Free memory was 206.9MB in the beginning and 206.9MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:07:22,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.52ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.64ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.40ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 269.79ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 72.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5613.28ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.4MB in the beginning and 206.9MB in the end (delta: -134.5MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 352.3MB. Free memory was 206.9MB in the beginning and 206.9MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 6 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function x and consists of 6 locations. One nondeterministic module has affine ranking function x and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.2s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 27 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp94 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp88 dnf120 smp96 tf107 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 129ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 14:07:22,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-13 14:07:22,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-13 14:07:23,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e363b749-fecf-4442-8e04-f8b744318084/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE