./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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/recursified_loop-simple/recursified_nested_1.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 34a8492e255374aad098e162859199083b5b90fe0eb733edf5e3563474d7ceaa --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:06:48,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:06:48,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:06:48,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:06:48,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:06:48,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:06:48,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:06:48,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:06:48,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:06:48,728 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:06:48,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:06:48,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:06:48,729 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:06:48,729 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:06:48,730 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:06:48,730 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:06:48,730 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:06:48,731 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:06:48,731 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:06:48,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:06:48,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:06:48,732 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:06:48,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:06:48,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:06:48,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:06:48,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:06:48,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:06:48,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:06:48,734 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:06:48,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:06:48,735 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:06:48,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:06:48,735 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:06:48,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:06:48,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:06:48,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:06:48,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:06:48,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:06:48,737 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:06:48,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34a8492e255374aad098e162859199083b5b90fe0eb733edf5e3563474d7ceaa [2024-11-09 16:06:48,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:06:48,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:06:48,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:06:48,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:06:48,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:06:48,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c [2024-11-09 16:06:50,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:06:50,492 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:06:50,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c [2024-11-09 16:06:50,505 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e0fd11e6/f82d1271fb85454d94e7c0bce9ec5e94/FLAG66372635b [2024-11-09 16:06:50,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e0fd11e6/f82d1271fb85454d94e7c0bce9ec5e94 [2024-11-09 16:06:50,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:06:50,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:06:50,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:06:50,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:06:50,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:06:50,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:06:50" (1/1) ... [2024-11-09 16:06:50,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251c64b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:50, skipping insertion in model container [2024-11-09 16:06:50,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:06:50" (1/1) ... [2024-11-09 16:06:50,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:06:51,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:06:51,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:06:51,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:06:51,210 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:06:51,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51 WrapperNode [2024-11-09 16:06:51,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:06:51,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:06:51,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:06:51,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:06:51,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,234 INFO L138 Inliner]: procedures = 12, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-09 16:06:51,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:06:51,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:06:51,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:06:51,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:06:51,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,256 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 2 writes are split as follows [0, 2]. [2024-11-09 16:06:51,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 16:06:51,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 16:06:51,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 16:06:51,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 16:06:51,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (1/1) ... [2024-11-09 16:06:51,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:51,305 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) [2024-11-09 16:06:51,314 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 [2024-11-09 16:06:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 16:06:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 16:06:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 16:06:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_19_to_19_0 [2024-11-09 16:06:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_19_to_19_0 [2024-11-09 16:06:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 16:06:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 16:06:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 16:06:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 16:06:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 16:06:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 16:06:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 16:06:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 16:06:51,407 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 16:06:51,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 16:06:51,539 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-09 16:06:51,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 16:06:51,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 16:06:51,553 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 16:06:51,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:06:51 BoogieIcfgContainer [2024-11-09 16:06:51,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 16:06:51,558 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 16:06:51,558 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 16:06:51,566 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 16:06:51,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:06:51,568 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 04:06:50" (1/3) ... [2024-11-09 16:06:51,572 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e3d5a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:06:51, skipping insertion in model container [2024-11-09 16:06:51,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:06:51,573 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:06:51" (2/3) ... [2024-11-09 16:06:51,573 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e3d5a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:06:51, skipping insertion in model container [2024-11-09 16:06:51,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:06:51,573 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:06:51" (3/3) ... [2024-11-09 16:06:51,574 INFO L332 chiAutomizerObserver]: Analyzing ICFG recursified_nested_1.c [2024-11-09 16:06:51,644 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 16:06:51,645 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 16:06:51,645 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 16:06:51,645 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 16:06:51,645 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 16:06:51,646 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 16:06:51,646 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 16:06:51,646 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 16:06:51,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 16:06:51,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 16:06:51,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:06:51,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:06:51,670 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 16:06:51,670 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 16:06:51,670 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 16:06:51,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 16:06:51,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 16:06:51,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:06:51,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:06:51,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 16:06:51,672 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 16:06:51,678 INFO L745 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem7#1, main_~#a~0#1.base, main_~#a~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 4#L44true call func_to_recursive_line_19_to_19_0(main_~#a~0#1.base, main_~#a~0#1.offset);< 15#$Ultimate##0true [2024-11-09 16:06:51,678 INFO L747 eck$LassoCheckResult]: Loop: 15#$Ultimate##0true ~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem4 := read~int#1(~a.base, ~a.offset, 4); 14#L25true assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~a.base, ~a.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~a.base, ~a.offset, 4);havoc #t~mem5;havoc #t~pre6; 10#L32true call func_to_recursive_line_19_to_19_0(~a.base, ~a.offset);< 15#$Ultimate##0true [2024-11-09 16:06:51,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:06:51,687 INFO L85 PathProgramCache]: Analyzing trace with hash 38809, now seen corresponding path program 1 times [2024-11-09 16:06:51,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:06:51,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763037213] [2024-11-09 16:06:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:06:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:06:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:06:51,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:06:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:06:51,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:06:51,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:06:51,816 INFO L85 PathProgramCache]: Analyzing trace with hash 29910, now seen corresponding path program 1 times [2024-11-09 16:06:51,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:06:51,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320439272] [2024-11-09 16:06:51,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:06:51,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:06:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:06:51,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:06:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:06:51,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:06:51,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:06:51,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1156159038, now seen corresponding path program 1 times [2024-11-09 16:06:51,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:06:51,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361947870] [2024-11-09 16:06:51,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:06:51,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:06:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:06:51,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:06:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:06:51,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:06:52,445 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 16:06:52,446 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 16:06:52,446 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 16:06:52,446 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 16:06:52,446 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 16:06:52,447 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:52,447 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 16:06:52,447 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 16:06:52,447 INFO L132 ssoRankerPreferences]: Filename of dumped script: recursified_nested_1.c_Iteration1_Lasso [2024-11-09 16:06:52,447 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 16:06:52,448 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 16:06:52,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:52,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 16:06:53,073 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 16:06:53,080 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 16:06:53,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:53,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:53,087 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) [2024-11-09 16:06:53,089 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 [2024-11-09 16:06:53,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 16:06:53,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 16:06:53,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 16:06:53,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 16:06:53,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 16:06:53,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 16:06:53,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 16:06:53,111 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 16:06:53,123 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 [2024-11-09 16:06:53,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:53,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:53,125 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) [2024-11-09 16:06:53,128 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 [2024-11-09 16:06:53,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 16:06:53,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 16:06:53,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 16:06:53,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 16:06:53,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 16:06:53,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 16:06:53,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 16:06:53,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 16:06:53,158 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 [2024-11-09 16:06:53,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:53,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:53,160 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) [2024-11-09 16:06:53,161 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 [2024-11-09 16:06:53,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 16:06:53,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 16:06:53,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 16:06:53,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 16:06:53,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 16:06:53,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 16:06:53,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 16:06:53,181 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 16:06:53,193 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 [2024-11-09 16:06:53,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:53,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:53,197 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) [2024-11-09 16:06:53,201 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 [2024-11-09 16:06:53,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 16:06:53,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 16:06:53,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 16:06:53,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 16:06:53,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 16:06:53,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 16:06:53,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 16:06:53,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 16:06:53,233 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 [2024-11-09 16:06:53,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:53,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:53,235 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) [2024-11-09 16:06:53,239 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 [2024-11-09 16:06:53,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 16:06:53,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 16:06:53,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 16:06:53,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 16:06:53,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 16:06:53,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 16:06:53,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 16:06:53,267 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 16:06:53,286 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 [2024-11-09 16:06:53,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:53,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:53,288 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) [2024-11-09 16:06:53,292 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 [2024-11-09 16:06:53,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 16:06:53,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 16:06:53,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 16:06:53,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 16:06:53,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 16:06:53,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 16:06:53,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 16:06:53,312 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 16:06:53,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-09 16:06:53,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:53,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:53,325 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) [2024-11-09 16:06:53,326 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 [2024-11-09 16:06:53,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 16:06:53,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 16:06:53,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 16:06:53,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 16:06:53,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 16:06:53,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 16:06:53,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 16:06:53,358 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 16:06:53,392 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-09 16:06:53,392 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-09 16:06:53,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:06:53,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:06:53,395 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) [2024-11-09 16:06:53,397 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 [2024-11-09 16:06:53,397 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 16:06:53,409 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 16:06:53,410 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 16:06:53,410 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 func_to_recursive_line_19_to_19_0_#in~a.base) 0)_1) = -2*v_rep(select (select #memory_int#1 func_to_recursive_line_19_to_19_0_#in~a.base) 0)_1 + 11 Supporting invariants [] [2024-11-09 16:06:53,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-09 16:06:53,434 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-11-09 16:06:53,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-09 16:06:53,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-09 16:06:53,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~a!base,]]] [2024-11-09 16:06:53,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:06:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:06:53,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 16:06:53,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 16:06:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:06:53,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 16:06:53,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 16:06:53,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-09 16:06:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 16:06:53,602 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-09 16:06:53,603 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 16:06:53,702 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 17 states. [2024-11-09 16:06:53,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-09 16:06:53,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 16:06:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2024-11-09 16:06:53,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-09 16:06:53,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 16:06:53,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-09 16:06:53,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 16:06:53,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-09 16:06:53,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 16:06:53,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2024-11-09 16:06:53,714 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 16:06:53,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2024-11-09 16:06:53,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 16:06:53,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 16:06:53,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 16:06:53,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:06:53,717 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 16:06:53,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 16:06:53,717 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 16:06:53,717 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 16:06:53,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 16:06:53,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 16:06:53,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 16:06:53,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 04:06:53 BoogieIcfgContainer [2024-11-09 16:06:53,722 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 16:06:53,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 16:06:53,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 16:06:53,723 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 16:06:53,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:06:51" (3/4) ... [2024-11-09 16:06:53,725 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 16:06:53,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 16:06:53,727 INFO L158 Benchmark]: Toolchain (without parser) took 2812.80ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 76.8MB in the beginning and 92.0MB in the end (delta: -15.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-09 16:06:53,727 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:06:53,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.95ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 76.5MB in the beginning and 180.7MB in the end (delta: -104.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-09 16:06:53,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.89ms. Allocated memory is still 209.7MB. Free memory was 180.7MB in the beginning and 179.7MB in the end (delta: 979.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:06:53,728 INFO L158 Benchmark]: Boogie Preprocessor took 35.74ms. Allocated memory is still 209.7MB. Free memory was 179.7MB in the beginning and 177.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:06:53,728 INFO L158 Benchmark]: RCFGBuilder took 285.02ms. Allocated memory is still 209.7MB. Free memory was 177.6MB in the beginning and 166.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 16:06:53,729 INFO L158 Benchmark]: BuchiAutomizer took 2164.42ms. Allocated memory is still 209.7MB. Free memory was 166.1MB in the beginning and 93.1MB in the end (delta: 73.0MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2024-11-09 16:06:53,729 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 209.7MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:06:53,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.95ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 76.5MB in the beginning and 180.7MB in the end (delta: -104.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.89ms. Allocated memory is still 209.7MB. Free memory was 180.7MB in the beginning and 179.7MB in the end (delta: 979.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.74ms. Allocated memory is still 209.7MB. Free memory was 179.7MB in the beginning and 177.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.02ms. Allocated memory is still 209.7MB. Free memory was 177.6MB in the beginning and 166.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2164.42ms. Allocated memory is still 209.7MB. Free memory was 166.1MB in the beginning and 93.1MB in the end (delta: 73.0MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 209.7MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~a!base,]]] * 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 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 5 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital148 mio100 ax100 hnf100 lsp90 ukn87 mio100 lsp31 div100 bol100 ite100 ukn100 eq213 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 2 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! [2024-11-09 16:06:53,749 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 [2024-11-09 16:06:53,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE