./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 a31fd051 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-?-a31fd05 [2023-02-15 13:42:59,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:42:59,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:42:59,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:42:59,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:42:59,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:42:59,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:42:59,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:42:59,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:42:59,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:42:59,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:42:59,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:42:59,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:42:59,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:42:59,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:42:59,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:42:59,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:42:59,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:42:59,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:42:59,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:42:59,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:42:59,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:42:59,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:42:59,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:42:59,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:42:59,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:42:59,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:42:59,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:42:59,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:42:59,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:42:59,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:42:59,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:42:59,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:42:59,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:42:59,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:42:59,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:42:59,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:42:59,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:42:59,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:42:59,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:42:59,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:42:59,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-15 13:42:59,978 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:42:59,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:42:59,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:42:59,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:42:59,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:42:59,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:42:59,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:42:59,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:42:59,981 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:42:59,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:42:59,982 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 13:42:59,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:42:59,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:42:59,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 13:42:59,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:42:59,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 13:42:59,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:42:59,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 13:42:59,983 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 13:42:59,984 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 13:42:59,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 13:42:59,984 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:42:59,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 13:42:59,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:42:59,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:42:59,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:42:59,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:42:59,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:42:59,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:42:59,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 13:42:59,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 13:42:59,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 13:42:59,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:42:59,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 13:42:59,987 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:42:59,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:42:59,987 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:42:59,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 [2023-02-15 13:43:00,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:43:00,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:43:00,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:43:00,249 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:43:00,250 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:43:00,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2023-02-15 13:43:01,339 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:43:01,552 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:43:01,553 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2023-02-15 13:43:01,557 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8572af7e/43768ff14e384a1890e34be328ba3587/FLAGf10a5ee44 [2023-02-15 13:43:01,567 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8572af7e/43768ff14e384a1890e34be328ba3587 [2023-02-15 13:43:01,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:43:01,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:43:01,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:43:01,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:43:01,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:43:01,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101893f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01, skipping insertion in model container [2023-02-15 13:43:01,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:43:01,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:43:01,725 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] [2023-02-15 13:43:01,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:43:01,738 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 13:43:01,750 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] [2023-02-15 13:43:01,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:43:01,763 INFO L208 MainTranslator]: Completed translation [2023-02-15 13:43:01,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01 WrapperNode [2023-02-15 13:43:01,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:43:01,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 13:43:01,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 13:43:01,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 13:43:01,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,791 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-02-15 13:43:01,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 13:43:01,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 13:43:01,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 13:43:01,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 13:43:01,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,815 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 13:43:01,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 13:43:01,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 13:43:01,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 13:43:01,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (1/1) ... [2023-02-15 13:43:01,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:43:01,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:01,849 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) [2023-02-15 13:43:01,850 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 [2023-02-15 13:43:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 13:43:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 13:43:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2023-02-15 13:43:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2023-02-15 13:43:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 13:43:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 13:43:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-02-15 13:43:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-02-15 13:43:01,941 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 13:43:01,944 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 13:43:02,112 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 13:43:02,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 13:43:02,124 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 13:43:02,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:02 BoogieIcfgContainer [2023-02-15 13:43:02,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 13:43:02,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 13:43:02,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 13:43:02,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 13:43:02,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:43:01" (1/3) ... [2023-02-15 13:43:02,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202fec08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:43:02, skipping insertion in model container [2023-02-15 13:43:02,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:01" (2/3) ... [2023-02-15 13:43:02,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202fec08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:43:02, skipping insertion in model container [2023-02-15 13:43:02,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:02" (3/3) ... [2023-02-15 13:43:02,147 INFO L112 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2023-02-15 13:43:02,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 13:43:02,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-15 13:43:02,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202fec08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:43:02, skipping insertion in model container [2023-02-15 13:43:02,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 13:43:02,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 13:43:02,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 13:43:02,167 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 13:43:02,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:02" (3/3) ... [2023-02-15 13:43:02,170 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 13:43:02,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2023-02-15 13:43:02,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-02-15 13:43:02,179 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-15 13:43:02,179 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 13:43:02,180 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-15 13:43:02,180 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 13:43:02,214 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 13:43:02,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 13:43:02,216 INFO L158 Benchmark]: Toolchain (without parser) took 644.93ms. Allocated memory is still 115.3MB. Free memory was 87.9MB in the beginning and 60.3MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-15 13:43:02,217 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:43:02,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.53ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 77.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 13:43:02,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.90ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 76.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:43:02,219 INFO L158 Benchmark]: Boogie Preprocessor took 25.93ms. Allocated memory is still 115.3MB. Free memory was 76.4MB in the beginning and 75.4MB in the end (delta: 994.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:43:02,219 INFO L158 Benchmark]: RCFGBuilder took 307.83ms. Allocated memory is still 115.3MB. Free memory was 75.4MB in the beginning and 65.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 13:43:02,220 INFO L158 Benchmark]: TraceAbstraction took 37.35ms. Allocated memory is still 115.3MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:43:02,220 INFO L158 Benchmark]: Witness Printer took 48.48ms. Allocated memory is still 115.3MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-15 13:43:02,229 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 94.4MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.53ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 77.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.90ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 76.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.93ms. Allocated memory is still 115.3MB. Free memory was 76.4MB in the beginning and 75.4MB in the end (delta: 994.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.83ms. Allocated memory is still 115.3MB. Free memory was 75.4MB in the beginning and 65.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 37.35ms. Allocated memory is still 115.3MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 48.48ms. Allocated memory is still 115.3MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. 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! [2023-02-15 13:43:02,252 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