./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC --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 0bb630e51a0a6d7663d0ae15d8f95579af707f3aaba51309e2f8a6818f848e50 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:50:23,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:50:23,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-24 00:50:23,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:50:23,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:50:23,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:50:23,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:50:23,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:50:23,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:50:23,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:50:23,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:50:23,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:50:23,707 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:50:23,707 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:50:23,707 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:50:23,708 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:50:23,708 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:50:23,708 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:50:23,708 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:50:23,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:50:23,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:50:23,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:50:23,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:50:23,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:50:23,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:50:23,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:50:23,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:50:23,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:50:23,710 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:50:23,710 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:50:23,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:50:23,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:50:23,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:50:23,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:50:23,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:50:23,711 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:50:23,711 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_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC 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 -> 0bb630e51a0a6d7663d0ae15d8f95579af707f3aaba51309e2f8a6818f848e50 [2024-11-24 00:50:24,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:50:24,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:50:24,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:50:24,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:50:24,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:50:24,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-restricted-15/PastaB7.c [2024-11-24 00:50:27,161 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/data/572279503/800ebd9bea504531aea8863f5a30b338/FLAGda2712c91 [2024-11-24 00:50:27,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:50:27,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/sv-benchmarks/c/termination-restricted-15/PastaB7.c [2024-11-24 00:50:27,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/data/572279503/800ebd9bea504531aea8863f5a30b338/FLAGda2712c91 [2024-11-24 00:50:27,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/data/572279503/800ebd9bea504531aea8863f5a30b338 [2024-11-24 00:50:27,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:50:27,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:50:27,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:50:27,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:50:27,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:50:27,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764e4512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27, skipping insertion in model container [2024-11-24 00:50:27,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:50:27,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:50:27,664 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:50:27,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:50:27,689 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:50:27,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27 WrapperNode [2024-11-24 00:50:27,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:50:27,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:50:27,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:50:27,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:50:27,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,717 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-24 00:50:27,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:50:27,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:50:27,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:50:27,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:50:27,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,729 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,735 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 00:50:27,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,738 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:50:27,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:50:27,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:50:27,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:50:27,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (1/1) ... [2024-11-24 00:50:27,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:27,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:27,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:27,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:50:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:50:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:50:27,895 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:50:27,898 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:50:27,965 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 00:50:27,965 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:50:27,979 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:50:27,979 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:50:27,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:50:27 BoogieIcfgContainer [2024-11-24 00:50:27,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:50:27,981 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:50:27,981 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:50:27,989 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:50:27,989 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:50:27,989 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:50:27" (1/3) ... [2024-11-24 00:50:27,990 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@164b1e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:50:27, skipping insertion in model container [2024-11-24 00:50:27,991 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:50:27,991 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:27" (2/3) ... [2024-11-24 00:50:27,991 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@164b1e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:50:27, skipping insertion in model container [2024-11-24 00:50:27,991 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:50:27,991 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:50:27" (3/3) ... [2024-11-24 00:50:27,992 INFO L363 chiAutomizerObserver]: Analyzing ICFG PastaB7.c [2024-11-24 00:50:28,056 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:50:28,057 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:50:28,057 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:50:28,057 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:50:28,057 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:50:28,058 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:50:28,058 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:50:28,058 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:50:28,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-11-24 00:50:28,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:50:28,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:50:28,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:50:28,084 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:50:28,084 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 00:50:28,085 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:50:28,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-11-24 00:50:28,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-24 00:50:28,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:50:28,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:50:28,087 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:50:28,087 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 00:50:28,094 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" [2024-11-24 00:50:28,094 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > main_~z~0#1 && main_~y~0#1 > main_~z~0#1;" "main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1;" [2024-11-24 00:50:28,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:28,100 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-24 00:50:28,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:50:28,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822634167] [2024-11-24 00:50:28,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:28,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:50:28,191 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:50:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:50:28,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:50:28,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:28,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times [2024-11-24 00:50:28,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:50:28,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686491062] [2024-11-24 00:50:28,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:50:28,227 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:50:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:50:28,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:50:28,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-24 00:50:28,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:50:28,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675424754] [2024-11-24 00:50:28,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:28,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:50:28,243 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:50:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:50:28,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:50:28,352 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:50:28,352 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:50:28,353 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:50:28,353 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:50:28,353 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:50:28,353 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,353 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:50:28,353 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:50:28,353 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB7.c_Iteration1_Loop [2024-11-24 00:50:28,354 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:50:28,354 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:50:28,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:50:28,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:50:28,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:50:28,514 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:50:28,515 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:50:28,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:28,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:28,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-24 00:50:28,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:50:28,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:50:28,554 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:50:28,554 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:50:28,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-24 00:50:28,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:28,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:28,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-24 00:50:28,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:50:28,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:50:28,593 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:50:28,593 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:50:28,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:50:28,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:28,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:28,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-24 00:50:28,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:50:28,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:50:28,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-24 00:50:28,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:28,637 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:28,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-24 00:50:28,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:50:28,640 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:50:28,760 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:50:28,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-24 00:50:28,764 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:50:28,764 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:50:28,764 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:50:28,764 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:50:28,764 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:50:28,764 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,764 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:50:28,764 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:50:28,764 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB7.c_Iteration1_Loop [2024-11-24 00:50:28,764 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:50:28,764 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:50:28,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:50:28,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:50:28,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:50:28,862 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:50:28,866 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:50:28,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:28,870 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:28,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-24 00:50:28,874 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 [2024-11-24 00:50:28,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:50:28,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:50:28,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:50:28,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:50:28,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:50:28,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:50:28,906 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:50:28,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-24 00:50:28,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:28,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:28,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-24 00:50:28,930 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 [2024-11-24 00:50:28,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:50:28,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:50:28,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:50:28,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:50:28,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:50:28,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:50:28,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:50:28,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-24 00:50:28,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:28,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:28,978 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:28,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-24 00:50:28,982 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 [2024-11-24 00:50:28,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:50:28,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:50:28,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:50:28,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:50:28,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:50:29,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:50:29,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:50:29,010 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:50:29,017 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-24 00:50:29,020 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-24 00:50:29,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:50:29,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:29,027 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:29,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-24 00:50:29,030 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:50:29,030 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:50:29,030 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:50:29,031 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-11-24 00:50:29,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-24 00:50:29,049 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:50:29,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:29,098 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:50:29,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:50:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:29,118 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:50:29,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:50:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:50:29,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-24 00:50:29,209 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 [2024-11-24 00:50:29,211 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:50:29,272 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 6 states. [2024-11-24 00:50:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-24 00:50:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:50:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-24 00:50:29,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-24 00:50:29,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:50:29,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-24 00:50:29,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:50:29,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-24 00:50:29,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:50:29,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-11-24 00:50:29,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:50:29,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-24 00:50:29,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-24 00:50:29,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-24 00:50:29,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-24 00:50:29,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:50:29,301 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:50:29,301 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:50:29,301 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:50:29,301 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:50:29,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:50:29,302 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:50:29,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-24 00:50:29,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:50:29 BoogieIcfgContainer [2024-11-24 00:50:29,315 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:50:29,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:50:29,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:50:29,317 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:50:29,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:50:27" (3/4) ... [2024-11-24 00:50:29,320 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:50:29,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:50:29,325 INFO L158 Benchmark]: Toolchain (without parser) took 1841.73ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 86.8MB in the end (delta: 6.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-24 00:50:29,325 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:50:29,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.36ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:50:29,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.13ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 841.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:50:29,326 INFO L158 Benchmark]: Boogie Preprocessor took 28.33ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 966.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:50:29,326 INFO L158 Benchmark]: RCFGBuilder took 231.88ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 73.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:50:29,326 INFO L158 Benchmark]: BuchiAutomizer took 1333.81ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 87.3MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:50:29,327 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 86.8MB in the end (delta: 517.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:50:29,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.36ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.13ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 841.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.33ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 966.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.88ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 73.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1333.81ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 87.3MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 86.8MB in the end (delta: 517.9kB). 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * z) + y) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-24 00:50:29,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d5e90e-742f-471c-ac1a-893cfbb31f5e/bin/uautomizer-verify-LYvppIcaGC/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