./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_lcm2.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 d93bd48e791c000b7768d0e055259ea6d087a487fbdd17b18765993d4c240b84 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 23:09:04,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 23:09:04,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 23:09:04,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 23:09:04,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 23:09:04,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 23:09:04,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 23:09:04,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 23:09:04,889 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 23:09:04,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 23:09:04,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 23:09:04,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 23:09:04,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 23:09:04,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 23:09:04,892 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 23:09:04,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 23:09:04,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 23:09:04,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 23:09:04,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 23:09:04,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 23:09:04,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 23:09:04,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 23:09:04,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 23:09:04,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 23:09:04,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 23:09:04,898 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 23:09:04,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 23:09:04,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 23:09:04,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 23:09:04,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 23:09:04,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 23:09:04,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 23:09:04,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 23:09:04,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 23:09:04,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 23:09:04,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 23:09:04,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 23:09:04,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 23:09:04,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 23:09:04,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 23:09:04,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 23:09:04,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 23:09:04,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 23:09:04,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 23:09:04,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93bd48e791c000b7768d0e055259ea6d087a487fbdd17b18765993d4c240b84 [2024-11-22 23:09:05,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 23:09:05,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 23:09:05,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 23:09:05,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 23:09:05,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 23:09:05,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2024-11-22 23:09:06,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 23:09:06,560 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 23:09:06,561 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2024-11-22 23:09:06,567 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d22d7137/288f03ef412b4a29b59781e4b81f8883/FLAG65792c4ff [2024-11-22 23:09:06,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d22d7137/288f03ef412b4a29b59781e4b81f8883 [2024-11-22 23:09:06,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 23:09:06,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 23:09:06,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 23:09:06,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 23:09:06,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 23:09:06,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:06" (1/1) ... [2024-11-22 23:09:06,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac808fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06, skipping insertion in model container [2024-11-22 23:09:06,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:06" (1/1) ... [2024-11-22 23:09:06,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 23:09:07,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 23:09:07,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 23:09:07,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 23:09:07,208 INFO L204 MainTranslator]: Completed translation [2024-11-22 23:09:07,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07 WrapperNode [2024-11-22 23:09:07,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 23:09:07,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 23:09:07,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 23:09:07,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 23:09:07,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,241 INFO L138 Inliner]: procedures = 16, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2024-11-22 23:09:07,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 23:09:07,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 23:09:07,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 23:09:07,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 23:09:07,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,267 INFO L175 MemorySlicer]: Split 51 memory accesses to 8 slices as follows [2, 7, 6, 6, 7, 7, 8, 8]. 16 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 0, 2, 2, 1, 1, 2, 2]. [2024-11-22 23:09:07,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 23:09:07,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 23:09:07,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 23:09:07,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 23:09:07,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (1/1) ... [2024-11-22 23:09:07,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 23:09:07,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:09:07,307 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) [2024-11-22 23:09:07,309 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 [2024-11-22 23:09:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 23:09:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 23:09:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 23:09:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 23:09:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 23:09:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 23:09:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 23:09:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 23:09:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 23:09:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 23:09:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 23:09:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 23:09:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 23:09:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 23:09:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 23:09:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 23:09:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 23:09:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 23:09:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 23:09:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 23:09:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 23:09:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 23:09:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 23:09:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 23:09:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_46_0 [2024-11-22 23:09:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_46_0 [2024-11-22 23:09:07,461 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 23:09:07,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 23:09:07,685 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-22 23:09:07,685 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 23:09:07,696 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 23:09:07,697 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 23:09:07,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:07 BoogieIcfgContainer [2024-11-22 23:09:07,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 23:09:07,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 23:09:07,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 23:09:07,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 23:09:07,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:09:06" (1/3) ... [2024-11-22 23:09:07,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d675530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:09:07, skipping insertion in model container [2024-11-22 23:09:07,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:07" (2/3) ... [2024-11-22 23:09:07,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d675530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:09:07, skipping insertion in model container [2024-11-22 23:09:07,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:07" (3/3) ... [2024-11-22 23:09:07,709 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_lcm2.c [2024-11-22 23:09:07,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 23:09:07,722 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-22 23:09:07,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d675530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:09:07, skipping insertion in model container [2024-11-22 23:09:07,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 23:09:07,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 23:09:07,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 23:09:07,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 23:09:07,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:07" (3/3) ... [2024-11-22 23:09:07,744 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 23:09:07,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-22 23:09:07,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-22 23:09:07,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_35_to_46_0 [2024-11-22 23:09:07,753 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-22 23:09:07,753 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-22 23:09:07,753 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 23:09:07,753 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 23:09:07,754 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 23:09:07,868 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 23:09:07,868 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 23:09:07,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 23:09:07,871 INFO L158 Benchmark]: Toolchain (without parser) took 899.43ms. Allocated memory is still 159.4MB. Free memory was 104.3MB in the beginning and 124.5MB in the end (delta: -20.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-22 23:09:07,871 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 159.4MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:09:07,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.30ms. Allocated memory is still 159.4MB. Free memory was 104.3MB in the beginning and 90.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 23:09:07,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.03ms. Allocated memory is still 159.4MB. Free memory was 90.5MB in the beginning and 88.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:09:07,872 INFO L158 Benchmark]: Boogie Preprocessor took 35.08ms. Allocated memory is still 159.4MB. Free memory was 88.8MB in the beginning and 86.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 23:09:07,872 INFO L158 Benchmark]: RCFGBuilder took 419.29ms. Allocated memory is still 159.4MB. Free memory was 86.3MB in the beginning and 68.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 23:09:07,873 INFO L158 Benchmark]: TraceAbstraction took 20.18ms. Allocated memory is still 159.4MB. Free memory was 67.9MB in the beginning and 66.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 23:09:07,873 INFO L158 Benchmark]: Witness Printer took 144.32ms. Allocated memory is still 159.4MB. Free memory was 65.7MB in the beginning and 124.5MB in the end (delta: -58.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-22 23:09:07,876 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 159.4MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.30ms. Allocated memory is still 159.4MB. Free memory was 104.3MB in the beginning and 90.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.03ms. Allocated memory is still 159.4MB. Free memory was 90.5MB in the beginning and 88.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.08ms. Allocated memory is still 159.4MB. Free memory was 88.8MB in the beginning and 86.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 419.29ms. Allocated memory is still 159.4MB. Free memory was 86.3MB in the beginning and 68.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20.18ms. Allocated memory is still 159.4MB. Free memory was 67.9MB in the beginning and 66.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 144.32ms. Allocated memory is still 159.4MB. Free memory was 65.7MB in the beginning and 124.5MB in the end (delta: -58.8MB). Peak memory consumption was 4.5MB. 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! [2024-11-22 23:09:07,891 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