./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 4b2397f02ca31d86bec1660af6a105f36402aae0113477a6332673f13a213eff --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:51:23,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:51:23,666 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:51:23,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:51:23,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:51:23,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:51:23,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:51:23,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:51:23,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:51:23,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:51:23,703 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:51:23,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:51:23,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:51:23,703 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:51:23,703 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:51:23,704 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:51:23,705 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:51:23,705 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:51:23,706 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:51:23,706 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:51:23,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:51:23,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:51:23,706 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:51:23,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:51:23,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:51:23,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:51:23,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:51:23,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:51:23,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:51:23,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:51:23,708 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:51:23,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:51:23,708 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:51:23,708 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:51:23,708 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:51:23,708 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:51:23,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:51:23,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:51:23,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:51:23,709 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:51:23,709 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-jdk21/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 -> 4b2397f02ca31d86bec1660af6a105f36402aae0113477a6332673f13a213eff [2025-02-08 14:51:24,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:51:24,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:51:24,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:51:24,010 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:51:24,011 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:51:24,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1b.c [2025-02-08 14:51:25,352 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06b3abf3c/4823cd7c90d54c5aa7d11a2e1ddf30a3/FLAG1a314bf6a [2025-02-08 14:51:25,618 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:51:25,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursified_loop-simple/recursified_nested_1b.c [2025-02-08 14:51:25,626 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06b3abf3c/4823cd7c90d54c5aa7d11a2e1ddf30a3/FLAG1a314bf6a [2025-02-08 14:51:25,642 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06b3abf3c/4823cd7c90d54c5aa7d11a2e1ddf30a3 [2025-02-08 14:51:25,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:51:25,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:51:25,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:51:25,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:51:25,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:51:25,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a41cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25, skipping insertion in model container [2025-02-08 14:51:25,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:51:25,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:51:25,812 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:51:25,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:51:25,840 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:51:25,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25 WrapperNode [2025-02-08 14:51:25,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:51:25,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:51:25,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:51:25,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:51:25,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,866 INFO L138 Inliner]: procedures = 12, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2025-02-08 14:51:25,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:51:25,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:51:25,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:51:25,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:51:25,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,895 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]. [2025-02-08 14:51:25,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,900 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:51:25,909 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:51:25,909 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:51:25,910 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:51:25,910 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (1/1) ... [2025-02-08 14:51:25,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:25,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:25,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:25,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-08 14:51:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:51:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:51:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:51:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_19_to_19_0 [2025-02-08 14:51:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_19_to_19_0 [2025-02-08 14:51:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:51:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:51:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:51:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:51:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:51:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:51:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:51:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:51:26,024 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:51:26,025 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:51:26,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L41: call ULTIMATE.dealloc(main_~#a~0#1.base, main_~#a~0#1.offset);havoc main_~#a~0#1.base, main_~#a~0#1.offset; [2025-02-08 14:51:26,127 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-02-08 14:51:26,127 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:51:26,135 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:51:26,136 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:51:26,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:51:26 BoogieIcfgContainer [2025-02-08 14:51:26,136 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:51:26,137 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:51:26,137 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:51:26,142 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:51:26,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:51:26,142 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:51:25" (1/3) ... [2025-02-08 14:51:26,143 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ba425ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:51:26, skipping insertion in model container [2025-02-08 14:51:26,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:51:26,144 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:51:25" (2/3) ... [2025-02-08 14:51:26,144 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ba425ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:51:26, skipping insertion in model container [2025-02-08 14:51:26,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:51:26,144 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:51:26" (3/3) ... [2025-02-08 14:51:26,145 INFO L363 chiAutomizerObserver]: Analyzing ICFG recursified_nested_1b.c [2025-02-08 14:51:26,186 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:51:26,186 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:51:26,186 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:51:26,186 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:51:26,186 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:51:26,186 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:51:26,187 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:51:26,187 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:51:26,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2025-02-08 14:51:26,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:51:26,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:51:26,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:51:26,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-08 14:51:26,216 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:51:26,216 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:51:26,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2025-02-08 14:51:26,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:51:26,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:51:26,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:51:26,217 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-08 14:51:26,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:51:26,221 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~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);" "call func_to_recursive_line_19_to_19_0(main_~#a~0#1.base, main_~#a~0#1.offset);"< [2025-02-08 14:51:26,221 INFO L754 eck$LassoCheckResult]: Loop: "~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem4 := read~int#1(~a.base, ~a.offset, 4);" "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;" "call func_to_recursive_line_19_to_19_0(~a.base, ~a.offset);"< [2025-02-08 14:51:26,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:51:26,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1381, now seen corresponding path program 1 times [2025-02-08 14:51:26,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:51:26,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120863357] [2025-02-08 14:51:26,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:51:26,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:51:26,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:51:26,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:51:26,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:51:26,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:51:26,304 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:51:26,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:51:26,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:51:26,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:51:26,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:51:26,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:51:26,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:51:26,331 INFO L85 PathProgramCache]: Analyzing trace with hash 32720, now seen corresponding path program 1 times [2025-02-08 14:51:26,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:51:26,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201968418] [2025-02-08 14:51:26,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:51:26,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:51:26,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:51:26,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:51:26,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:51:26,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:51:26,344 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:51:26,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:51:26,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:51:26,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:51:26,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:51:26,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:51:26,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:51:26,357 INFO L85 PathProgramCache]: Analyzing trace with hash 41144300, now seen corresponding path program 1 times [2025-02-08 14:51:26,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:51:26,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811841629] [2025-02-08 14:51:26,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:51:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:51:26,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:51:26,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:51:26,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:51:26,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:51:26,396 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:51:26,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:51:26,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:51:26,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:51:26,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:51:26,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:51:27,211 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:51:27,212 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:51:27,213 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:51:27,213 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:51:27,213 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:51:27,214 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:27,214 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:51:27,214 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:51:27,214 INFO L132 ssoRankerPreferences]: Filename of dumped script: recursified_nested_1b.c_Iteration1_Lasso [2025-02-08 14:51:27,214 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:51:27,214 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:51:27,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:51:27,937 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:51:27,940 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:51:27,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:27,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:27,944 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:27,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-08 14:51:27,948 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 [2025-02-08 14:51:27,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:51:27,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:51:27,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:51:27,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:51:27,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:51:27,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:51:27,983 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:51:27,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-02-08 14:51:27,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:27,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:28,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:28,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-08 14:51:28,004 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 [2025-02-08 14:51:28,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:51:28,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:51:28,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:51:28,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:51:28,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:51:28,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:51:28,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:51:28,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-08 14:51:28,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:28,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:28,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:28,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-08 14:51:28,046 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 [2025-02-08 14:51:28,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:51:28,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:51:28,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:51:28,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:51:28,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:51:28,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:51:28,071 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:51:28,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-02-08 14:51:28,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:28,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:28,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:28,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-08 14:51:28,085 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 [2025-02-08 14:51:28,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:51:28,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:51:28,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:51:28,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:51:28,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:51:28,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:51:28,105 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:51:28,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-08 14:51:28,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:28,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:28,115 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:28,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-08 14:51:28,118 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 [2025-02-08 14:51:28,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:51:28,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:51:28,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:51:28,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:51:28,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:51:28,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:51:28,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:51:28,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-08 14:51:28,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:28,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:28,149 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:28,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-08 14:51:28,152 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 [2025-02-08 14:51:28,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:51:28,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:51:28,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:51:28,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:51:28,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:51:28,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:51:28,174 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:51:28,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-08 14:51:28,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:28,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:28,184 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:28,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-08 14:51:28,188 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 [2025-02-08 14:51:28,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:51:28,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:51:28,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:51:28,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:51:28,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:51:28,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:51:28,218 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:51:28,255 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-02-08 14:51:28,257 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-02-08 14:51:28,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:51:28,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:51:28,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:51:28,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-08 14:51:28,266 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:51:28,285 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:51:28,285 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:51:28,286 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 [] [2025-02-08 14:51:28,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-08 14:51:28,314 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2025-02-08 14:51:28,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2025-02-08 14:51:28,323 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2025-02-08 14:51:28,323 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~a!base,]]] [2025-02-08 14:51:28,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:51:28,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:51:28,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:51:28,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:51:28,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:51:28,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 14:51:28,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:51:28,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:51:28,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:51:28,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:51:28,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:51:28,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 14:51:28,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:51:28,505 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 47 treesize of output 20 [2025-02-08 14:51:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:51:28,556 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 [2025-02-08 14:51:28,557 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 14:51:28,689 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 28 states and 33 transitions. Complement of second has 17 states. [2025-02-08 14:51:28,691 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 [2025-02-08 14:51:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 14:51:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2025-02-08 14:51:28,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2025-02-08 14:51:28,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:51:28,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-08 14:51:28,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:51:28,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2025-02-08 14:51:28,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:51:28,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2025-02-08 14:51:28,711 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:51:28,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2025-02-08 14:51:28,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:51:28,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:51:28,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:51:28,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:51:28,715 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:51:28,715 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:51:28,715 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:51:28,716 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:51:28,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:51:28,716 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:51:28,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:51:28,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:51:28 BoogieIcfgContainer [2025-02-08 14:51:28,726 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:51:28,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:51:28,728 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:51:28,729 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:51:28,729 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:51:26" (3/4) ... [2025-02-08 14:51:28,732 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:51:28,733 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:51:28,734 INFO L158 Benchmark]: Toolchain (without parser) took 3087.24ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 44.5MB in the end (delta: 61.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2025-02-08 14:51:28,734 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:51:28,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.19ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 96.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:51:28,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.24ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:51:28,737 INFO L158 Benchmark]: Boogie Preprocessor took 41.52ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 93.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:51:28,737 INFO L158 Benchmark]: IcfgBuilder took 227.78ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 82.1MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:51:28,737 INFO L158 Benchmark]: BuchiAutomizer took 2589.14ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 44.5MB in the end (delta: 37.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2025-02-08 14:51:28,737 INFO L158 Benchmark]: Witness Printer took 6.56ms. Allocated memory is still 142.6MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:51:28,739 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.19ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 96.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.24ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.52ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 93.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 227.78ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 82.1MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2589.14ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 44.5MB in the end (delta: 37.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Witness Printer took 6.56ms. Allocated memory is still 142.6MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 37.0kB). 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: #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 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 4 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: 42ms 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! [2025-02-08 14:51:28,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-08 14:51:28,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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