./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:17:27,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:17:27,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:17:27,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:17:27,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:17:27,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:17:27,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:17:27,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:17:27,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:17:27,958 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:17:27,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:17:27,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:17:27,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:17:27,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:17:27,960 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:17:27,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:17:27,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:17:27,961 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:17:27,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:17:27,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:17:27,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:17:27,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:17:27,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:17:27,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:17:27,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:17:27,968 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:17:27,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:17:27,968 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:17:27,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:17:27,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:17:27,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:17:27,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:17:27,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:17:27,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:17:27,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:17:27,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:17:27,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:17:27,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:17:27,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:17:27,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:17:27,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:17:27,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:17:27,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:17:27,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:17:27,978 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 [2024-11-09 12:17:28,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:17:28,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:17:28,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:17:28,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:17:28,299 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:17:28,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-11-09 12:17:29,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:17:30,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:17:30,196 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-11-09 12:17:30,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba51d73a/f4e4188fa2fb47da862319ccb3ac11c1/FLAG4c5e27585 [2024-11-09 12:17:30,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba51d73a/f4e4188fa2fb47da862319ccb3ac11c1 [2024-11-09 12:17:30,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:17:30,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:17:30,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:17:30,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:17:30,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:17:30,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b51783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30, skipping insertion in model container [2024-11-09 12:17:30,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:17:30,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:17:30,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:17:30,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:17:30,576 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:17:30,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30 WrapperNode [2024-11-09 12:17:30,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:17:30,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:17:30,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:17:30,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:17:30,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,623 INFO L138 Inliner]: procedures = 17, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-09 12:17:30,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:17:30,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:17:30,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:17:30,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:17:30,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,679 INFO L175 MemorySlicer]: Split 49 memory accesses to 7 slices as follows [2, 12, 7, 8, 6, 5, 9]. 24 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 12 writes are split as follows [0, 3, 1, 2, 2, 1, 3]. [2024-11-09 12:17:30,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:17:30,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:17:30,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:17:30,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:17:30,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (1/1) ... [2024-11-09 12:17:30,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:17:30,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:17:30,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:17:30,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:17:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:17:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:17:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 12:17:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 12:17:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 12:17:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 12:17:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 12:17:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 12:17:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-11-09 12:17:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-11-09 12:17:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 12:17:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-11-09 12:17:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-11-09 12:17:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 12:17:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 12:17:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 12:17:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 12:17:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 12:17:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 12:17:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 12:17:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:17:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:17:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 12:17:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 12:17:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 12:17:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 12:17:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 12:17:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 12:17:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 12:17:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:17:30,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:17:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 12:17:31,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:17:31,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:17:31,297 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 12:17:31,297 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:17:31,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:17:31,324 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 12:17:31,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:17:31 BoogieIcfgContainer [2024-11-09 12:17:31,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:17:31,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:17:31,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:17:31,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:17:31,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:17:30" (1/3) ... [2024-11-09 12:17:31,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4decda9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:17:31, skipping insertion in model container [2024-11-09 12:17:31,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:17:30" (2/3) ... [2024-11-09 12:17:31,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4decda9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:17:31, skipping insertion in model container [2024-11-09 12:17:31,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:17:31" (3/3) ... [2024-11-09 12:17:31,340 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_hard-u.c [2024-11-09 12:17:31,362 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:17:31,363 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-09 12:17:31,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4decda9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:17:31, skipping insertion in model container [2024-11-09 12:17:31,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 12:17:31,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 12:17:31,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 12:17:31,367 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 12:17:31,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:17:31" (3/3) ... [2024-11-09 12:17:31,372 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 12:17:31,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_31_to_38_0 [2024-11-09 12:17:31,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 12:17:31,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_41_to_51_0 [2024-11-09 12:17:31,389 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-09 12:17:31,389 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 12:17:31,390 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 12:17:31,390 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:17:31,512 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 12:17:31,512 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 12:17:31,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 12:17:31,514 INFO L158 Benchmark]: Toolchain (without parser) took 1291.38ms. Allocated memory is still 163.6MB. Free memory was 91.2MB in the beginning and 108.4MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:17:31,515 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 163.6MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:17:31,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.25ms. Allocated memory is still 163.6MB. Free memory was 91.0MB in the beginning and 77.8MB in the end (delta: 13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 12:17:31,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 163.6MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 12:17:31,516 INFO L158 Benchmark]: Boogie Preprocessor took 83.20ms. Allocated memory is still 163.6MB. Free memory was 76.1MB in the beginning and 73.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:17:31,516 INFO L158 Benchmark]: RCFGBuilder took 597.20ms. Allocated memory is still 163.6MB. Free memory was 133.9MB in the beginning and 116.8MB in the end (delta: 17.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-09 12:17:31,516 INFO L158 Benchmark]: TraceAbstraction took 34.68ms. Allocated memory is still 163.6MB. Free memory was 116.8MB in the beginning and 114.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:17:31,516 INFO L158 Benchmark]: Witness Printer took 145.73ms. Allocated memory is still 163.6MB. Free memory was 114.7MB in the beginning and 108.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 12:17:31,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 163.6MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.25ms. Allocated memory is still 163.6MB. Free memory was 91.0MB in the beginning and 77.8MB in the end (delta: 13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 163.6MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.20ms. Allocated memory is still 163.6MB. Free memory was 76.1MB in the beginning and 73.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.20ms. Allocated memory is still 163.6MB. Free memory was 133.9MB in the beginning and 116.8MB in the end (delta: 17.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 34.68ms. Allocated memory is still 163.6MB. Free memory was 116.8MB in the beginning and 114.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 145.73ms. Allocated memory is still 163.6MB. Free memory was 114.7MB in the beginning and 108.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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! [2024-11-09 12:17:31,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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