./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/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/recursive-simple/id2_b2_o3.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.graphml --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 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 02:36:13,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:36:13,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:36:13,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:36:13,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:36:13,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:36:13,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:36:13,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:36:13,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:36:13,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:36:13,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:36:13,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:36:13,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:36:13,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:36:13,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:36:13,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:36:13,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:36:13,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:36:14,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:36:14,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:36:14,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:36:14,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:36:14,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:36:14,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:36:14,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:36:14,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:36:14,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:36:14,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:36:14,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:36:14,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:36:14,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:36:14,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:36:14,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:36:14,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:36:14,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:36:14,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:36:14,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:36:14,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:36:14,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:36:14,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:36:14,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:36:14,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-14 02:36:14,076 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:36:14,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:36:14,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:36:14,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:36:14,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:36:14,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:36:14,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:36:14,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:36:14,081 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:36:14,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:36:14,081 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 02:36:14,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:36:14,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:36:14,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 02:36:14,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:36:14,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:36:14,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:36:14,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:36:14,083 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:36:14,083 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 02:36:14,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:36:14,083 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:36:14,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:36:14,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:36:14,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:36:14,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:36:14,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:36:14,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:36:14,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:36:14,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:36:14,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:36:14,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:36:14,086 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:36:14,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:36:14,086 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:36:14,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:36:14,087 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:36:14,087 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 [2023-02-14 02:36:14,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:36:14,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:36:14,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:36:14,385 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:36:14,385 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:36:14,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2023-02-14 02:36:15,552 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:36:15,723 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:36:15,723 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2023-02-14 02:36:15,729 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94eedf505/f21a13bd8d21480b8db63a92b6914934/FLAG8407164b6 [2023-02-14 02:36:15,746 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94eedf505/f21a13bd8d21480b8db63a92b6914934 [2023-02-14 02:36:15,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:36:15,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:36:15,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:36:15,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:36:15,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:36:15,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cadf1e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15, skipping insertion in model container [2023-02-14 02:36:15,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:36:15,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:36:15,905 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2023-02-14 02:36:15,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:36:15,916 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:36:15,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2023-02-14 02:36:15,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:36:15,940 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:36:15,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15 WrapperNode [2023-02-14 02:36:15,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:36:15,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:36:15,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:36:15,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:36:15,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,967 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-02-14 02:36:15,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:36:15,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:36:15,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:36:15,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:36:15,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:36:15,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:36:15,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:36:15,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:36:15,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (1/1) ... [2023-02-14 02:36:15,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:36:16,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:36:16,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-14 02:36:16,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-14 02:36:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 02:36:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 02:36:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2023-02-14 02:36:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2023-02-14 02:36:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:36:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:36:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-02-14 02:36:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-02-14 02:36:16,114 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:36:16,116 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:36:16,205 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:36:16,211 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:36:16,211 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 02:36:16,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:36:16 BoogieIcfgContainer [2023-02-14 02:36:16,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:36:16,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:36:16,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:36:16,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:36:16,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:36:15" (1/3) ... [2023-02-14 02:36:16,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6593fc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:36:16, skipping insertion in model container [2023-02-14 02:36:16,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:15" (2/3) ... [2023-02-14 02:36:16,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6593fc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:36:16, skipping insertion in model container [2023-02-14 02:36:16,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:36:16" (3/3) ... [2023-02-14 02:36:16,221 INFO L112 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2023-02-14 02:36:16,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:36:16,238 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-14 02:36:16,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6593fc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 02:36:16, skipping insertion in model container [2023-02-14 02:36:16,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 02:36:16,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 02:36:16,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 02:36:16,241 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 02:36:16,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:36:16" (3/3) ... [2023-02-14 02:36:16,244 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-14 02:36:16,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2023-02-14 02:36:16,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-02-14 02:36:16,260 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-14 02:36:16,261 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-14 02:36:16,261 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-14 02:36:16,262 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-14 02:36:16,294 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 02:36:16,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 02:36:16,299 INFO L158 Benchmark]: Toolchain (without parser) took 548.76ms. Allocated memory is still 127.9MB. Free memory was 83.8MB in the beginning and 56.1MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-14 02:36:16,299 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:36:16,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.80ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 73.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 02:36:16,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.59ms. Allocated memory is still 127.9MB. Free memory was 73.8MB in the beginning and 72.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:36:16,301 INFO L158 Benchmark]: Boogie Preprocessor took 19.00ms. Allocated memory is still 127.9MB. Free memory was 72.3MB in the beginning and 71.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:36:16,308 INFO L158 Benchmark]: RCFGBuilder took 225.08ms. Allocated memory is still 127.9MB. Free memory was 71.2MB in the beginning and 61.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 02:36:16,309 INFO L158 Benchmark]: TraceAbstraction took 24.40ms. Allocated memory is still 127.9MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:36:16,312 INFO L158 Benchmark]: Witness Printer took 57.51ms. Allocated memory is still 127.9MB. Free memory was 58.6MB in the beginning and 56.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:36:16,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.80ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 73.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.59ms. Allocated memory is still 127.9MB. Free memory was 73.8MB in the beginning and 72.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.00ms. Allocated memory is still 127.9MB. Free memory was 72.3MB in the beginning and 71.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 225.08ms. Allocated memory is still 127.9MB. Free memory was 71.2MB in the beginning and 61.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 24.40ms. Allocated memory is still 127.9MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 57.51ms. Allocated memory is still 127.9MB. Free memory was 58.6MB in the beginning and 56.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. 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! [2023-02-14 02:36:16,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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