./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc91ced7bcccf661129c3f4bf0d427a9a72d34c82f3ff7a23345948320ae0e49 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 10:03:01,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 10:03:01,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 10:03:01,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 10:03:01,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 10:03:02,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 10:03:02,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 10:03:02,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 10:03:02,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 10:03:02,009 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 10:03:02,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 10:03:02,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 10:03:02,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 10:03:02,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 10:03:02,010 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 10:03:02,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 10:03:02,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 10:03:02,010 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 10:03:02,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 10:03:02,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 10:03:02,011 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:03:02,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 10:03:02,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 10:03:02,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 10:03:02,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 10:03:02,012 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 10:03:02,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 10:03:02,013 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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(G ! overflow) ) 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 -> cc91ced7bcccf661129c3f4bf0d427a9a72d34c82f3ff7a23345948320ae0e49 [2025-02-08 10:03:02,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 10:03:02,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 10:03:02,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 10:03:02,225 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 10:03:02,225 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 10:03:02,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2025-02-08 10:03:03,405 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fd971466/1bf09ad1ed184733bca4788170edd3c3/FLAGb86057b25 [2025-02-08 10:03:03,601 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 10:03:03,601 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2025-02-08 10:03:03,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fd971466/1bf09ad1ed184733bca4788170edd3c3/FLAGb86057b25 [2025-02-08 10:03:03,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fd971466/1bf09ad1ed184733bca4788170edd3c3 [2025-02-08 10:03:03,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 10:03:03,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 10:03:03,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 10:03:03,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 10:03:03,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 10:03:03,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:03:03" (1/1) ... [2025-02-08 10:03:03,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7e62e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:03, skipping insertion in model container [2025-02-08 10:03:03,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:03:03" (1/1) ... [2025-02-08 10:03:04,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 10:03:04,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:03:04,130 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 10:03:04,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:03:04,152 INFO L204 MainTranslator]: Completed translation [2025-02-08 10:03:04,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04 WrapperNode [2025-02-08 10:03:04,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 10:03:04,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 10:03:04,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 10:03:04,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 10:03:04,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,174 INFO L138 Inliner]: procedures = 15, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2025-02-08 10:03:04,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 10:03:04,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 10:03:04,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 10:03:04,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 10:03:04,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,197 INFO L175 MemorySlicer]: Split 16 memory accesses to 4 slices as follows [2, 6, 4, 4]. 38 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 6, 1, 1]. The 2 writes are split as follows [0, 0, 1, 1]. [2025-02-08 10:03:04,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 10:03:04,214 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 10:03:04,214 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 10:03:04,214 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 10:03:04,214 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (1/1) ... [2025-02-08 10:03:04,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:03:04,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:03:04,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 10:03:04,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 10:03:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 10:03:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 10:03:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 10:03:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 10:03:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 10:03:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 10:03:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 10:03:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 10:03:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 10:03:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 10:03:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_18_0 [2025-02-08 10:03:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_18_0 [2025-02-08 10:03:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 10:03:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 10:03:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 10:03:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 10:03:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 10:03:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 10:03:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 10:03:04,341 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 10:03:04,342 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 10:03:04,452 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57: call ULTIMATE.dealloc(main_~#y~0#1.base, main_~#y~0#1.offset);havoc main_~#y~0#1.base, main_~#y~0#1.offset;call ULTIMATE.dealloc(main_~#z~0#1.base, main_~#z~0#1.offset);havoc main_~#z~0#1.base, main_~#z~0#1.offset; [2025-02-08 10:03:04,464 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-08 10:03:04,464 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 10:03:04,470 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 10:03:04,471 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 10:03:04,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:03:04 BoogieIcfgContainer [2025-02-08 10:03:04,471 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 10:03:04,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 10:03:04,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 10:03:04,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 10:03:04,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 10:03:03" (1/3) ... [2025-02-08 10:03:04,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a322494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:03:04, skipping insertion in model container [2025-02-08 10:03:04,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:03:04" (2/3) ... [2025-02-08 10:03:04,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a322494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:03:04, skipping insertion in model container [2025-02-08 10:03:04,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:03:04" (3/3) ... [2025-02-08 10:03:04,479 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_eq2.c [2025-02-08 10:03:04,489 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 10:03:04,490 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_eq2.c that has 2 procedures, 13 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2025-02-08 10:03:04,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a322494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 10:03:04, skipping insertion in model container [2025-02-08 10:03:04,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 10:03:04,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 10:03:04,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 10:03:04,492 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 10:03:04,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:03:04" (3/3) ... [2025-02-08 10:03:04,494 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 10:03:04,497 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_18_0 [2025-02-08 10:03:04,499 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-08 10:03:04,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 10:03:04,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 10:03:04,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 10:03:04,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 10:03:04,549 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 10:03:04,550 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 10:03:04,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 10:03:04,551 INFO L158 Benchmark]: Toolchain (without parser) took 567.69ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 89.7MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 10:03:04,551 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:03:04,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.16ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 113.4MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:03:04,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.48ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 111.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:03:04,552 INFO L158 Benchmark]: Boogie Preprocessor took 37.35ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 110.9MB in the end (delta: 882.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:03:04,552 INFO L158 Benchmark]: IcfgBuilder took 257.59ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 98.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:03:04,552 INFO L158 Benchmark]: TraceAbstraction took 18.46ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 95.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:03:04,553 INFO L158 Benchmark]: Witness Printer took 58.03ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 89.7MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:03:04,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.16ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 113.4MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.48ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 111.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.35ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 110.9MB in the end (delta: 882.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 257.59ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 98.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18.46ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 95.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.03ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 89.7MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2025-02-08 10:03:04,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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