./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/nested_structure-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/ldv-regression/nested_structure-1.i -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 8760dfb1fc705c9d4bd3086e926410b9e088fc0950cc71e69ebbf3367b49d459 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:40:41,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:40:42,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:40:42,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:40:42,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:40:42,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:40:42,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:40:42,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:40:42,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:40:42,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:40:42,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:40:42,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:40:42,091 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:40:42,094 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:40:42,095 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:40:42,095 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:40:42,095 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:40:42,095 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:40:42,095 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:40:42,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:40:42,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:40:42,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:40:42,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:40:42,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:40:42,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:40:42,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:40:42,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:40:42,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:40:42,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:40:42,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:40:42,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:40:42,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:40:42,099 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:40:42,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:40:42,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:40:42,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:40:42,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:40:42,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:40:42,101 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:40:42,101 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8760dfb1fc705c9d4bd3086e926410b9e088fc0950cc71e69ebbf3367b49d459 [2024-11-19 14:40:42,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:40:42,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:40:42,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:40:42,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:40:42,424 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:40:42,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/nested_structure-1.i [2024-11-19 14:40:43,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:40:44,065 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:40:44,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/nested_structure-1.i [2024-11-19 14:40:44,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4173d528d/6094a5f34bb642eba4923f4ae359a715/FLAG010937f58 [2024-11-19 14:40:44,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4173d528d/6094a5f34bb642eba4923f4ae359a715 [2024-11-19 14:40:44,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:40:44,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:40:44,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:40:44,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:40:44,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:40:44,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7084b5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44, skipping insertion in model container [2024-11-19 14:40:44,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:40:44,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:40:44,349 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:40:44,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:40:44,376 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:40:44,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44 WrapperNode [2024-11-19 14:40:44,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:40:44,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:40:44,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:40:44,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:40:44,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,404 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-19 14:40:44,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:40:44,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:40:44,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:40:44,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:40:44,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,415 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,426 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 4, 3, 4]. 31 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 2, 1, 2]. The 1 writes are split as follows [0, 0, 1, 0]. [2024-11-19 14:40:44,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:40:44,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:40:44,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:40:44,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:40:44,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (1/1) ... [2024-11-19 14:40:44,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:44,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:40:44,483 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) [2024-11-19 14:40:44,489 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 [2024-11-19 14:40:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:40:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:40:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 14:40:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 14:40:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 14:40:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 14:40:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 14:40:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 14:40:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 14:40:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 14:40:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:40:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:40:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 14:40:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 14:40:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 14:40:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 14:40:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 14:40:44,625 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:40:44,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:40:44,799 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-19 14:40:44,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:40:44,811 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:40:44,811 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 14:40:44,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:44 BoogieIcfgContainer [2024-11-19 14:40:44,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:40:44,815 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:40:44,815 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:40:44,819 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:40:44,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:40:44,820 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:40:44" (1/3) ... [2024-11-19 14:40:44,821 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39eb0f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:40:44, skipping insertion in model container [2024-11-19 14:40:44,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:40:44,821 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:44" (2/3) ... [2024-11-19 14:40:44,822 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39eb0f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:40:44, skipping insertion in model container [2024-11-19 14:40:44,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:40:44,823 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:44" (3/3) ... [2024-11-19 14:40:44,824 INFO L332 chiAutomizerObserver]: Analyzing ICFG nested_structure-1.i [2024-11-19 14:40:44,884 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:40:44,884 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:40:44,884 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:40:44,885 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:40:44,885 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:40:44,885 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:40:44,885 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:40:44,885 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:40:44,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:40:44,905 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:40:44,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:40:44,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:40:44 BoogieIcfgContainer [2024-11-19 14:40:44,911 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:40:44,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:40:44,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:40:44,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:40:44,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:44" (3/4) ... [2024-11-19 14:40:44,915 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:40:44,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:40:44,918 INFO L158 Benchmark]: Toolchain (without parser) took 813.17ms. Allocated memory is still 148.9MB. Free memory was 107.6MB in the beginning and 72.7MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 14:40:44,919 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:40:44,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.91ms. Allocated memory is still 148.9MB. Free memory was 107.6MB in the beginning and 95.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 14:40:44,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.40ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 93.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:40:44,921 INFO L158 Benchmark]: Boogie Preprocessor took 43.99ms. Allocated memory is still 148.9MB. Free memory was 93.7MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:40:44,922 INFO L158 Benchmark]: RCFGBuilder took 361.88ms. Allocated memory is still 148.9MB. Free memory was 91.5MB in the beginning and 78.3MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 14:40:44,923 INFO L158 Benchmark]: BuchiAutomizer took 96.17ms. Allocated memory is still 148.9MB. Free memory was 78.3MB in the beginning and 72.7MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:40:44,923 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 148.9MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:40:44,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.91ms. Allocated memory is still 148.9MB. Free memory was 107.6MB in the beginning and 95.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.40ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 93.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.99ms. Allocated memory is still 148.9MB. Free memory was 93.7MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.88ms. Allocated memory is still 148.9MB. Free memory was 91.5MB in the beginning and 78.3MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 96.17ms. Allocated memory is still 148.9MB. Free memory was 78.3MB in the beginning and 72.7MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 148.9MB. Free memory is still 72.7MB. 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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! [2024-11-19 14:40:44,955 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