./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1 --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 5540e7c00ae01203970f19de551d88eb6a449c1f9370939c6165919b3f898bc8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:11:51,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:11:51,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-12-01 23:11:51,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:11:51,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:11:51,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:11:51,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:11:51,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:11:51,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:11:51,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:11:51,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:11:51,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:11:51,859 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:11:51,859 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-01 23:11:51,859 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-01 23:11:51,859 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-01 23:11:51,859 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-01 23:11:51,859 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-01 23:11:51,859 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-01 23:11:51,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:11:51,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:11:51,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:11:51,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:11:51,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:11:51,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:11:51,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-01 23:11:51,861 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-01 23:11:51,862 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_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1 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 -> 5540e7c00ae01203970f19de551d88eb6a449c1f9370939c6165919b3f898bc8 [2024-12-01 23:11:52,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:11:52,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:11:52,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:11:52,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:11:52,074 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:11:52,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2024-12-01 23:11:54,692 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/data/c743b5939/07e5392f25d04ae5a9c24bab6d352915/FLAG68a3b4f97 [2024-12-01 23:11:54,878 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:11:54,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2024-12-01 23:11:54,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/data/c743b5939/07e5392f25d04ae5a9c24bab6d352915/FLAG68a3b4f97 [2024-12-01 23:11:54,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/data/c743b5939/07e5392f25d04ae5a9c24bab6d352915 [2024-12-01 23:11:54,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:11:54,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:11:54,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:11:54,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:11:54,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:11:54,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:11:54" (1/1) ... [2024-12-01 23:11:54,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fd8938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:54, skipping insertion in model container [2024-12-01 23:11:54,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:11:54" (1/1) ... [2024-12-01 23:11:54,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:11:55,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:11:55,014 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:11:55,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:11:55,030 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:11:55,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55 WrapperNode [2024-12-01 23:11:55,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:11:55,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:11:55,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:11:55,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:11:55,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,048 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2024-12-01 23:11:55,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:11:55,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:11:55,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:11:55,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:11:55,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,059 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-01 23:11:55,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,060 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:11:55,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:11:55,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:11:55,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:11:55,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (1/1) ... [2024-12-01 23:11:55,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-01 23:11:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:11:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:11:55,161 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:11:55,162 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:11:55,203 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-12-01 23:11:55,203 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:11:55,210 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:11:55,210 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-01 23:11:55,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:55 BoogieIcfgContainer [2024-12-01 23:11:55,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:11:55,211 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-01 23:11:55,211 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-01 23:11:55,215 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-01 23:11:55,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:11:55,216 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 11:11:54" (1/3) ... [2024-12-01 23:11:55,217 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4baefaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 11:11:55, skipping insertion in model container [2024-12-01 23:11:55,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:11:55,217 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:11:55" (2/3) ... [2024-12-01 23:11:55,217 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4baefaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 11:11:55, skipping insertion in model container [2024-12-01 23:11:55,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:11:55,217 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:55" (3/3) ... [2024-12-01 23:11:55,219 INFO L363 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2024-12-01 23:11:55,259 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-01 23:11:55,259 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-01 23:11:55,259 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-01 23:11:55,260 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-01 23:11:55,260 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-01 23:11:55,260 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-01 23:11:55,260 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-01 23:11:55,260 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-01 23:11:55,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2024-12-01 23:11:55,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-12-01 23:11:55,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-01 23:11:55,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-01 23:11:55,277 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-01 23:11:55,277 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-12-01 23:11:55,277 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-01 23:11:55,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2024-12-01 23:11:55,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-12-01 23:11:55,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-01 23:11:55,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-01 23:11:55,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-01 23:11:55,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-12-01 23:11:55,284 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" [2024-12-01 23:11:55,284 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 255;" "havoc main_#t~nondet1#1;" "assume !(0 != main_#t~nondet1#1);havoc main_#t~nondet1#1;main_~i~0#1 := 2 + main_~i~0#1;" [2024-12-01 23:11:55,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:55,288 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-12-01 23:11:55,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:11:55,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624622396] [2024-12-01 23:11:55,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:11:55,344 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:11:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:11:55,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:11:55,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:55,358 INFO L85 PathProgramCache]: Analyzing trace with hash 37868, now seen corresponding path program 1 times [2024-12-01 23:11:55,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:11:55,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584627399] [2024-12-01 23:11:55,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:55,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:11:55,367 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:11:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:11:55,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:11:55,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:55,373 INFO L85 PathProgramCache]: Analyzing trace with hash 28696810, now seen corresponding path program 1 times [2024-12-01 23:11:55,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:11:55,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800897161] [2024-12-01 23:11:55,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:55,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:11:55,380 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:11:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:11:55,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:11:55,443 INFO L204 LassoAnalysis]: Preferences: [2024-12-01 23:11:55,444 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-01 23:11:55,444 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-01 23:11:55,444 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-01 23:11:55,444 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-01 23:11:55,444 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,445 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-01 23:11:55,445 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-01 23:11:55,445 INFO L132 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c_Iteration1_Loop [2024-12-01 23:11:55,445 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-01 23:11:55,445 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-01 23:11:55,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:11:55,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:11:55,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:11:55,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:11:55,541 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-01 23:11:55,541 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-01 23:11:55,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-01 23:11:55,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-01 23:11:55,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:11:55,570 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-01 23:11:55,570 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: [] [2024-12-01 23:11:55,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-01 23:11:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-01 23:11:55,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-01 23:11:55,580 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:11:55,600 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-01 23:11:55,600 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: [] [2024-12-01 23:11:55,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-01 23:11:55,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-01 23:11:55,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-01 23:11:55,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:11:55,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-01 23:11:55,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,629 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-01 23:11:55,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-01 23:11:55,632 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:11:55,662 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-01 23:11:55,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-01 23:11:55,666 INFO L204 LassoAnalysis]: Preferences: [2024-12-01 23:11:55,666 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-01 23:11:55,666 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-01 23:11:55,666 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-01 23:11:55,666 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-01 23:11:55,666 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,666 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-01 23:11:55,666 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-01 23:11:55,666 INFO L132 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c_Iteration1_Loop [2024-12-01 23:11:55,667 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-01 23:11:55,667 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-01 23:11:55,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:11:55,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:11:55,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:11:55,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:11:55,727 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-01 23:11:55,731 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-01 23:11:55,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-01 23:11:55,737 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 [2024-12-01 23:11:55,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-01 23:11:55,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-01 23:11:55,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-01 23:11:55,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-01 23:11:55,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-01 23:11:55,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-01 23:11:55,766 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-01 23:11:55,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-01 23:11:55,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-01 23:11:55,777 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 [2024-12-01 23:11:55,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-01 23:11:55,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-01 23:11:55,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-01 23:11:55,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-01 23:11:55,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-01 23:11:55,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-01 23:11:55,798 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-01 23:11:55,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-01 23:11:55,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,807 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-01 23:11:55,809 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 [2024-12-01 23:11:55,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-01 23:11:55,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-01 23:11:55,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-01 23:11:55,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-01 23:11:55,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-01 23:11:55,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-01 23:11:55,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-01 23:11:55,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-01 23:11:55,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-01 23:11:55,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,831 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-01 23:11:55,834 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 [2024-12-01 23:11:55,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-01 23:11:55,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-01 23:11:55,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-01 23:11:55,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-01 23:11:55,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-01 23:11:55,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-01 23:11:55,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-01 23:11:55,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-01 23:11:55,855 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-01 23:11:55,858 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-12-01 23:11:55,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:11:55,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:55,861 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:55,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-01 23:11:55,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-01 23:11:55,864 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-01 23:11:55,864 INFO L474 LassoAnalysis]: Proved termination. [2024-12-01 23:11:55,865 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 255 Supporting invariants [] [2024-12-01 23:11:55,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-01 23:11:55,876 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-01 23:11:55,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:55,908 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:11:55,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:11:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:55,920 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-01 23:11:55,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:11:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:11:55,979 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 [2024-12-01 23:11:55,981 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:11:56,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-01 23:11:56,040 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 20 transitions. Complement of second has 6 states. [2024-12-01 23:11:56,042 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 [2024-12-01 23:11:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:11:56,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-12-01 23:11:56,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 3 letters. [2024-12-01 23:11:56,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-01 23:11:56,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 3 letters. [2024-12-01 23:11:56,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-01 23:11:56,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 6 letters. [2024-12-01 23:11:56,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-01 23:11:56,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2024-12-01 23:11:56,054 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-01 23:11:56,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2024-12-01 23:11:56,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-01 23:11:56,056 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-01 23:11:56,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-01 23:11:56,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-01 23:11:56,057 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:11:56,057 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:11:56,057 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:11:56,057 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-01 23:11:56,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-01 23:11:56,057 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-01 23:11:56,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-01 23:11:56,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 11:11:56 BoogieIcfgContainer [2024-12-01 23:11:56,064 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-01 23:11:56,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:11:56,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:11:56,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:11:56,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:55" (3/4) ... [2024-12-01 23:11:56,068 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-01 23:11:56,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:11:56,069 INFO L158 Benchmark]: Toolchain (without parser) took 1169.88ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 110.7MB in the end (delta: 6.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-12-01 23:11:56,070 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:11:56,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 131.19ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 107.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:11:56,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.84ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 857.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:11:56,071 INFO L158 Benchmark]: Boogie Preprocessor took 16.79ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.3MB in the end (delta: 872.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:11:56,071 INFO L158 Benchmark]: RCFGBuilder took 143.93ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 96.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:11:56,071 INFO L158 Benchmark]: BuchiAutomizer took 853.35ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 111.3MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:11:56,071 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 110.7MB in the end (delta: 590.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:11:56,073 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 131.19ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 107.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.84ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 857.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.79ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.3MB in the end (delta: 872.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 143.93ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 96.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 853.35ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 111.3MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 110.7MB in the end (delta: 590.4kB). 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 * i) + 255) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-01 23:11:56,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16f8ebd-93ac-4e83-a5fe-3820fd469832/bin/uautomizer-verify-84ZbGMXZE1/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