./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-04.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_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/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_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/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_1cb12620-3de6-4823-8a95-dfee0b922f06/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 c5de9087a921e8aad95bc80b29f24bf9506596da18bf9b4640846346a82bb2ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:41:30,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:41:31,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 13:41:31,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:41:31,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:41:31,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:41:31,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:41:31,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:41:31,082 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:41:31,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:41:31,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:41:31,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:41:31,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:41:31,085 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 13:41:31,086 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 13:41:31,086 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 13:41:31,086 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 13:41:31,086 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 13:41:31,087 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 13:41:31,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:41:31,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 13:41:31,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:41:31,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:41:31,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 13:41:31,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 13:41:31,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 13:41:31,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:41:31,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:41:31,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:41:31,089 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 13:41:31,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:41:31,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:41:31,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:41:31,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:41:31,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:41:31,090 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 13:41:31,090 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_1cb12620-3de6-4823-8a95-dfee0b922f06/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 -> c5de9087a921e8aad95bc80b29f24bf9506596da18bf9b4640846346a82bb2ae [2024-11-13 13:41:31,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:41:31,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:41:31,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:41:31,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:41:31,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:41:31,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-bwb/or-04.c Unable to find full path for "g++" [2024-11-13 13:41:33,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:41:33,770 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:41:33,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/sv-benchmarks/c/termination-bwb/or-04.c [2024-11-13 13:41:33,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/data/3aa9eb2dd/a4a77ab0f62844639800c9eab6389895/FLAG48e41b03b [2024-11-13 13:41:34,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/data/3aa9eb2dd/a4a77ab0f62844639800c9eab6389895 [2024-11-13 13:41:34,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:41:34,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:41:34,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:41:34,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:41:34,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:41:34,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576fccb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34, skipping insertion in model container [2024-11-13 13:41:34,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:41:34,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:41:34,261 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:41:34,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:41:34,293 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:41:34,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34 WrapperNode [2024-11-13 13:41:34,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:41:34,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:41:34,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:41:34,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:41:34,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,330 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-13 13:41:34,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:41:34,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:41:34,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:41:34,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:41:34,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,354 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:41:34,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:41:34,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:41:34,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:41:34,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:41:34,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (1/1) ... [2024-11-13 13:41:34,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:41:34,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:34,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:41:34,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 13:41:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:41:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:41:34,528 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:41:34,530 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:41:34,703 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 13:41:34,703 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:41:34,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:41:34,714 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:41:34,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:34 BoogieIcfgContainer [2024-11-13 13:41:34,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:41:34,716 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 13:41:34,716 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 13:41:34,721 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 13:41:34,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:41:34,722 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 01:41:34" (1/3) ... [2024-11-13 13:41:34,723 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8343f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:41:34, skipping insertion in model container [2024-11-13 13:41:34,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:41:34,723 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:34" (2/3) ... [2024-11-13 13:41:34,724 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8343f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:41:34, skipping insertion in model container [2024-11-13 13:41:34,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:41:34,724 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:34" (3/3) ... [2024-11-13 13:41:34,725 INFO L333 chiAutomizerObserver]: Analyzing ICFG or-04.c [2024-11-13 13:41:34,800 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 13:41:34,801 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 13:41:34,801 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 13:41:34,801 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 13:41:34,801 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 13:41:34,801 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 13:41:34,801 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 13:41:34,802 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 13:41:34,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 13:41:34,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-13 13:41:34,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:41:34,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:41:34,834 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 13:41:34,834 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 13:41:34,834 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 13:41:34,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 13:41:34,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-13 13:41:34,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:41:34,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:41:34,836 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 13:41:34,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 13:41:34,848 INFO L745 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L20-2true [2024-11-13 13:41:34,849 INFO L747 eck$LassoCheckResult]: Loop: 10#L20-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 13#L21-2true assume !(0 != main_~y~0#1); 10#L20-2true [2024-11-13 13:41:34,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:34,858 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 13:41:34,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:34,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410113016] [2024-11-13 13:41:34,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:34,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:34,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:34,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:41:34,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:34,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1287, now seen corresponding path program 1 times [2024-11-13 13:41:34,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:34,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077727109] [2024-11-13 13:41:34,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:34,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:35,048 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 13:41:35,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:35,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077727109] [2024-11-13 13:41:35,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077727109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:35,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:35,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:41:35,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138531821] [2024-11-13 13:41:35,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:35,058 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 13:41:35,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:35,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:41:35,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:35,100 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 13:41:35,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:35,167 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2024-11-13 13:41:35,169 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2024-11-13 13:41:35,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-13 13:41:35,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 13 transitions. [2024-11-13 13:41:35,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 13:41:35,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-13 13:41:35,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2024-11-13 13:41:35,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:41:35,178 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-13 13:41:35,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2024-11-13 13:41:35,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-13 13:41:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 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 13:41:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2024-11-13 13:41:35,203 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-13 13:41:35,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:41:35,208 INFO L424 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-13 13:41:35,209 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 13:41:35,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2024-11-13 13:41:35,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-13 13:41:35,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:41:35,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:41:35,210 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 13:41:35,210 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:35,211 INFO L745 eck$LassoCheckResult]: Stem: 44#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 45#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_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 42#L20-2 [2024-11-13 13:41:35,211 INFO L747 eck$LassoCheckResult]: Loop: 42#L20-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 43#L21-2 assume !!(0 != main_~y~0#1); 41#L21 assume main_~y~0#1 > 0; 39#L22 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 40#L22-2 assume !(0 == 1 + main_~y~0#1); 46#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise2#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise2#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise2#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 37#L22-5 main_~y~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~y~0#1 := main_~x~0#1 - main_~y~0#1; 38#L21-2 assume !(0 != main_~y~0#1); 42#L20-2 [2024-11-13 13:41:35,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-13 13:41:35,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:35,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012235469] [2024-11-13 13:41:35,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:35,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:35,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:35,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:41:35,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:35,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2137844163, now seen corresponding path program 1 times [2024-11-13 13:41:35,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:35,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207345180] [2024-11-13 13:41:35,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:35,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:35,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:35,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:41:35,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:35,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1447282689, now seen corresponding path program 1 times [2024-11-13 13:41:35,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:35,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365842359] [2024-11-13 13:41:35,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:35,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:35,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:35,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:41:35,483 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:41:35,484 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:41:35,484 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:41:35,484 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:41:35,485 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 13:41:35,485 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:41:35,485 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:41:35,485 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:41:35,485 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-04.c_Iteration2_Loop [2024-11-13 13:41:35,486 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:41:35,486 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:41:35,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:41:35,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:41:35,604 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:41:35,605 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 13:41:35,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:41:35,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:35,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:41:35,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 13:41:35,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:41:35,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:41:35,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 13:41:35,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:41:35,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:35,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:41:35,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 13:41:35,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 13:41:35,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:41:35,704 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 13:41:35,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 13:41:35,708 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:41:35,708 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:41:35,708 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:41:35,708 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:41:35,708 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:41:35,708 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:41:35,708 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:41:35,709 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:41:35,709 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-04.c_Iteration2_Loop [2024-11-13 13:41:35,709 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:41:35,709 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:41:35,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:41:35,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:41:35,801 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:41:35,805 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:41:35,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:41:35,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:35,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:41:35,838 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 13:41:35,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 13:41:35,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:41:35,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:41:35,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:41:35,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:41:35,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:41:35,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:41:35,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:41:35,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:41:35,883 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 13:41:35,886 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 13:41:35,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:41:35,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:35,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:41:35,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 13:41:35,895 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:41:35,895 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 13:41:35,896 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:41:35,897 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-13 13:41:35,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:41:35,921 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 13:41:35,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:35,961 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:41:35,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:35,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:41:35,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:41:36,036 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:41:36,039 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 13:41:36,136 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 30 states and 38 transitions. Complement of second has 6 states. [2024-11-13 13:41:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-13 13:41:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 13:41:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-11-13 13:41:36,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-13 13:41:36,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:41:36,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-13 13:41:36,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:41:36,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 16 letters. [2024-11-13 13:41:36,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:41:36,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2024-11-13 13:41:36,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-13 13:41:36,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 38 transitions. [2024-11-13 13:41:36,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-13 13:41:36,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-13 13:41:36,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2024-11-13 13:41:36,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:41:36,150 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-13 13:41:36,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2024-11-13 13:41:36,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 20. [2024-11-13 13:41:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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 13:41:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2024-11-13 13:41:36,152 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-13 13:41:36,152 INFO L424 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-13 13:41:36,152 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 13:41:36,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2024-11-13 13:41:36,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-13 13:41:36,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:41:36,153 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:41:36,153 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 13:41:36,153 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:41:36,153 INFO L745 eck$LassoCheckResult]: Stem: 145#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 139#L20-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 141#L21-2 assume !!(0 != main_~y~0#1); 143#L21 assume main_~y~0#1 > 0; 135#L22 [2024-11-13 13:41:36,153 INFO L747 eck$LassoCheckResult]: Loop: 135#L22 assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1); 136#L22-2 assume !(0 == 1 + main_~y~0#1); 148#L22-4 havoc main_#t~bitwise2#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise2#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise2#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise2#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647; 131#L22-5 main_~y~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~y~0#1 := main_~x~0#1 - main_~y~0#1; 132#L21-2 assume !!(0 != main_~y~0#1); 147#L21 assume main_~y~0#1 > 0; 135#L22 [2024-11-13 13:41:36,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:36,154 INFO L85 PathProgramCache]: Analyzing trace with hash 28698922, now seen corresponding path program 1 times [2024-11-13 13:41:36,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:36,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135596234] [2024-11-13 13:41:36,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:36,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:36,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:36,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:41:36,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:36,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1661477323, now seen corresponding path program 1 times [2024-11-13 13:41:36,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:36,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895145587] [2024-11-13 13:41:36,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:36,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:36,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:36,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:41:36,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1916090316, now seen corresponding path program 1 times [2024-11-13 13:41:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:36,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146581862] [2024-11-13 13:41:36,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:36,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:36,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:41:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:36,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:36,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 01:41:36 BoogieIcfgContainer [2024-11-13 13:41:36,479 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 13:41:36,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:41:36,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:41:36,480 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:41:36,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:34" (3/4) ... [2024-11-13 13:41:36,485 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:41:36,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:41:36,487 INFO L158 Benchmark]: Toolchain (without parser) took 2450.01ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 67.8MB in the end (delta: 26.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-13 13:41:36,488 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:36,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.12ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 84.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:41:36,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.90ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:36,489 INFO L158 Benchmark]: Boogie Preprocessor took 40.11ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.4MB in the end (delta: 790.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:36,493 INFO L158 Benchmark]: RCFGBuilder took 342.20ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:41:36,494 INFO L158 Benchmark]: BuchiAutomizer took 1763.64ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 67.8MB in the end (delta: 4.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-13 13:41:36,494 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:36,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.12ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 84.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.90ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.11ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.4MB in the end (delta: 790.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.20ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1763.64ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 67.8MB in the end (delta: 4.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 21.0kB). 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 15 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq117 hnf96 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 89ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: y|(y+1) [22] (Reason bitwiseOr) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);" "assume !!(0 != main_~y~0#1);" "assume main_~y~0#1 > 0;" Loop: "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);" "havoc main_#t~bitwise2#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise2#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise2#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise2#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647;" "main_~y~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~y~0#1 := main_~x~0#1 - main_~y~0#1;" "assume !!(0 != main_~y~0#1);" "assume main_~y~0#1 > 0;" RESULT: Ultimate could not prove your program: unable to determine termination [2024-11-13 13:41:36,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 13:41:36,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb12620-3de6-4823-8a95-dfee0b922f06/bin/uautomizer-verify-qhAvR1uOyd/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN