./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-acceleration/array_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-acceleration/array_1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 20:20:22,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 20:20:22,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-17 20:20:22,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 20:20:22,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 20:20:22,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-17 20:20:22,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 20:20:22,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 20:20:22,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 20:20:22,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 20:20:22,096 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 20:20:22,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 20:20:22,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 20:20:22,097 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 20:20:22,097 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-17 20:20:22,097 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-17 20:20:22,097 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-17 20:20:22,097 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-17 20:20:22,098 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-17 20:20:22,098 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-17 20:20:22,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 20:20:22,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 20:20:22,099 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 20:20:22,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 20:20:22,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 20:20:22,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 20:20:22,100 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-17 20:20:22,100 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 [2025-03-17 20:20:22,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 20:20:22,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 20:20:22,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 20:20:22,328 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 20:20:22,328 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 20:20:22,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/array_1-2.c [2025-03-17 20:20:23,491 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ede60e2/a03e8a446d51496881d5738dcc47a2c4/FLAGf4157635d [2025-03-17 20:20:23,703 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 20:20:23,704 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_1-2.c [2025-03-17 20:20:23,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ede60e2/a03e8a446d51496881d5738dcc47a2c4/FLAGf4157635d [2025-03-17 20:20:24,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ede60e2/a03e8a446d51496881d5738dcc47a2c4 [2025-03-17 20:20:24,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 20:20:24,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 20:20:24,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 20:20:24,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 20:20:24,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 20:20:24,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30490454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24, skipping insertion in model container [2025-03-17 20:20:24,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 20:20:24,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:20:24,189 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 20:20:24,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:20:24,210 INFO L204 MainTranslator]: Completed translation [2025-03-17 20:20:24,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24 WrapperNode [2025-03-17 20:20:24,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 20:20:24,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 20:20:24,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 20:20:24,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 20:20:24,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,229 INFO L138 Inliner]: procedures = 13, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 29 [2025-03-17 20:20:24,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 20:20:24,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 20:20:24,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 20:20:24,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 20:20:24,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,243 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2025-03-17 20:20:24,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,248 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 20:20:24,251 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 20:20:24,251 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 20:20:24,251 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 20:20:24,252 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (1/1) ... [2025-03-17 20:20:24,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:24,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:24,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:24,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 20:20:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 20:20:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 20:20:24,343 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 20:20:24,344 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 20:20:24,424 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2025-03-17 20:20:24,424 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 20:20:24,431 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 20:20:24,432 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 20:20:24,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:20:24 BoogieIcfgContainer [2025-03-17 20:20:24,433 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 20:20:24,434 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-17 20:20:24,434 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-17 20:20:24,437 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-17 20:20:24,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:20:24,438 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.03 08:20:24" (1/3) ... [2025-03-17 20:20:24,440 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f9888ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:20:24, skipping insertion in model container [2025-03-17 20:20:24,441 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:20:24,441 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:20:24" (2/3) ... [2025-03-17 20:20:24,441 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f9888ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:20:24, skipping insertion in model container [2025-03-17 20:20:24,441 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:20:24,441 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:20:24" (3/3) ... [2025-03-17 20:20:24,443 INFO L363 chiAutomizerObserver]: Analyzing ICFG array_1-2.c [2025-03-17 20:20:24,482 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-17 20:20:24,482 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-17 20:20:24,482 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-17 20:20:24,483 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-17 20:20:24,483 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-17 20:20:24,483 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-17 20:20:24,483 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-17 20:20:24,483 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-17 20:20:24,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:20:24,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-17 20:20:24,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:20:24,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:20:24,501 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:20:24,501 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-17 20:20:24,501 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-17 20:20:24,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:20:24,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-03-17 20:20:24,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:20:24,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:20:24,502 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-03-17 20:20:24,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-03-17 20:20:24,506 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_#t~mem5#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0#1;main_~i~0#1 := 0;" [2025-03-17 20:20:24,507 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 1024;call write~int#1(main_~i~0#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" [2025-03-17 20:20:24,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:20:24,511 INFO L85 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2025-03-17 20:20:24,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:20:24,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683503662] [2025-03-17 20:20:24,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:20:24,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:20:24,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:20:24,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:20:24,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:20:24,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:20:24,587 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:20:24,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:20:24,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:20:24,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:20:24,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:20:24,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:20:24,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:20:24,613 INFO L85 PathProgramCache]: Analyzing trace with hash 35, now seen corresponding path program 1 times [2025-03-17 20:20:24,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:20:24,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972512779] [2025-03-17 20:20:24,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:20:24,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:20:24,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:20:24,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:20:24,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:20:24,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:20:24,626 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:20:24,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:20:24,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:20:24,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:20:24,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:20:24,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:20:24,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:20:24,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1120, now seen corresponding path program 1 times [2025-03-17 20:20:24,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:20:24,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693015240] [2025-03-17 20:20:24,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:20:24,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:20:24,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:20:24,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:20:24,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:20:24,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:20:24,666 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:20:24,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:20:24,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:20:24,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:20:24,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:20:24,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:20:24,982 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:20:24,982 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:20:24,982 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:20:24,983 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:20:24,983 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 20:20:24,983 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:24,983 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:20:24,983 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:20:24,983 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_1-2.c_Iteration1_Lasso [2025-03-17 20:20:24,984 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:20:24,984 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:20:24,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:20:25,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:20:25,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:20:25,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:20:25,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:20:25,352 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:20:25,354 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 20:20:25,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-17 20:20:25,360 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 [2025-03-17 20:20:25,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:20:25,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:20:25,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:20:25,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-03-17 20:20:25,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-17 20:20:25,389 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 [2025-03-17 20:20:25,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:20:25,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:20:25,404 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-03-17 20:20:25,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-17 20:20:25,416 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 [2025-03-17 20:20:25,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:20:25,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:20:25,431 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-03-17 20:20:25,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-17 20:20:25,442 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 [2025-03-17 20:20:25,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:20:25,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:20:25,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:20:25,454 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-03-17 20:20:25,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,462 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-17 20:20:25,464 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 [2025-03-17 20:20:25,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:20:25,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:20:25,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:20:25,477 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-17 20:20:25,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-17 20:20:25,485 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 [2025-03-17 20:20:25,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:20:25,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:20:25,500 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-03-17 20:20:25,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,508 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-17 20:20:25,511 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 [2025-03-17 20:20:25,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:20:25,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:20:25,528 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-03-17 20:20:25,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-17 20:20:25,540 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 [2025-03-17 20:20:25,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:20:25,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:20:25,559 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-03-17 20:20:25,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,568 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-17 20:20:25,570 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 [2025-03-17 20:20:25,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:20:25,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:20:25,587 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-03-17 20:20:25,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,596 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-17 20:20:25,598 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 [2025-03-17 20:20:25,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:20:25,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:20:25,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:20:25,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-03-17 20:20:25,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,624 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-17 20:20:25,625 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 [2025-03-17 20:20:25,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:20:25,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:20:25,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:20:25,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:20:25,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-17 20:20:25,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-17 20:20:25,644 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 20:20:25,679 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2025-03-17 20:20:25,681 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-03-17 20:20:25,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:20:25,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:20:25,684 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:20:25,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-17 20:20:25,687 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 20:20:25,698 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-17 20:20:25,698 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 20:20:25,698 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 2047*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-03-17 20:20:25,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-17 20:20:25,715 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2025-03-17 20:20:25,721 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-03-17 20:20:25,722 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-03-17 20:20:25,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:20:25,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:20:25,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:20:25,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:20:25,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:20:25,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 20:20:25,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:20:25,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-03-17 20:20:25,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-03-17 20:20:25,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:20:25,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:20:25,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 20:20:25,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:20:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:20:25,785 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-03-17 20:20:25,786 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:20:25,807 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 9 transitions. Complement of second has 3 states. [2025-03-17 20:20:25,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-03-17 20:20:25,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:20:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2 transitions. [2025-03-17 20:20:25,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 1 letters. [2025-03-17 20:20:25,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:20:25,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 2 letters. Loop has 1 letters. [2025-03-17 20:20:25,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:20:25,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 2 letters. [2025-03-17 20:20:25,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:20:25,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. [2025-03-17 20:20:25,820 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-17 20:20:25,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2025-03-17 20:20:25,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-17 20:20:25,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-17 20:20:25,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-17 20:20:25,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:20:25,822 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:20:25,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:20:25,822 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:20:25,822 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-17 20:20:25,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-17 20:20:25,822 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-17 20:20:25,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-17 20:20:25,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.03 08:20:25 BoogieIcfgContainer [2025-03-17 20:20:25,827 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-17 20:20:25,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 20:20:25,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 20:20:25,828 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 20:20:25,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:20:24" (3/4) ... [2025-03-17 20:20:25,831 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 20:20:25,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 20:20:25,832 INFO L158 Benchmark]: Toolchain (without parser) took 1776.91ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 59.7MB in the end (delta: 52.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2025-03-17 20:20:25,833 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:20:25,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.55ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 101.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 20:20:25,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.14ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.8MB in the end (delta: 924.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:20:25,834 INFO L158 Benchmark]: Boogie Preprocessor took 20.72ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:20:25,834 INFO L158 Benchmark]: IcfgBuilder took 181.61ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 88.6MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 20:20:25,834 INFO L158 Benchmark]: BuchiAutomizer took 1393.36ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 59.7MB in the end (delta: 28.5MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2025-03-17 20:20:25,835 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:20:25,836 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 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.55ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 101.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.14ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.8MB in the end (delta: 924.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.72ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 181.61ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 88.6MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1393.36ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 59.7MB in the end (delta: 28.5MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * 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 null and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital127 mio100 ax100 hnf100 lsp88 ukn79 mio100 lsp37 div100 bol100 ite100 ukn100 eq152 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-17 20:20:25,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-03-17 20:20:26,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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