./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id2_b3_o2.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_b3_o2.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 f23c4102cc8cffc1c4a7a8ad49a8497c74f47f44c37be04f4ed5f1ca619fac2a --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 13:43:02,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:43:02,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:43:02,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:43:02,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:43:02,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:43:02,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:43:02,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:43:02,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:43:02,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:43:02,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:43:02,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:43:02,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:43:02,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:43:02,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:43:02,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:43:02,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:43:02,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:43:02,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:43:02,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:43:02,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:43:02,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:43:02,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:43:02,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:43:02,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:43:02,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:43:02,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:43:02,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:43:02,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:43:02,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:43:02,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:43:02,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:43:02,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:43:02,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:43:02,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:43:02,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:43:02,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:43:02,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:43:02,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:43:02,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:43:02,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:43:02,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-15 13:43:02,791 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:43:02,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:43:02,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:43:02,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:43:02,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:43:02,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:43:02,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:43:02,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:43:02,796 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:43:02,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:43:02,797 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 13:43:02,797 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:43:02,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:43:02,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 13:43:02,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:43:02,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 13:43:02,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:43:02,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 13:43:02,798 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 13:43:02,798 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 13:43:02,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 13:43:02,799 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:43:02,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 13:43:02,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:43:02,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:43:02,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:43:02,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:43:02,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:43:02,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:43:02,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 13:43:02,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 13:43:02,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 13:43:02,801 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:43:02,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 13:43:02,801 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:43:02,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:43:02,802 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:43:02,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f23c4102cc8cffc1c4a7a8ad49a8497c74f47f44c37be04f4ed5f1ca619fac2a [2023-02-15 13:43:03,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:43:03,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:43:03,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:43:03,087 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:43:03,088 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:43:03,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2023-02-15 13:43:04,249 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:43:04,394 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:43:04,394 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2023-02-15 13:43:04,399 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fa653122/2309994a15ac4c80979686e024c48999/FLAG180f97555 [2023-02-15 13:43:04,415 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fa653122/2309994a15ac4c80979686e024c48999 [2023-02-15 13:43:04,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:43:04,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:43:04,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:43:04,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:43:04,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:43:04,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766ed74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04, skipping insertion in model container [2023-02-15 13:43:04,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:43:04,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:43:04,564 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_b3_o2.c[771,784] [2023-02-15 13:43:04,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:43:04,575 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 13:43:04,586 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_b3_o2.c[771,784] [2023-02-15 13:43:04,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:43:04,596 INFO L208 MainTranslator]: Completed translation [2023-02-15 13:43:04,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04 WrapperNode [2023-02-15 13:43:04,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:43:04,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 13:43:04,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 13:43:04,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 13:43:04,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,616 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-02-15 13:43:04,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 13:43:04,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 13:43:04,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 13:43:04,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 13:43:04,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,632 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 13:43:04,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 13:43:04,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 13:43:04,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 13:43:04,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (1/1) ... [2023-02-15 13:43:04,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:43:04,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:04,663 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 13:43:04,676 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 13:43:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 13:43:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 13:43:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2023-02-15 13:43:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2023-02-15 13:43:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 13:43:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 13:43:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-02-15 13:43:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-02-15 13:43:04,750 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 13:43:04,752 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 13:43:04,907 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 13:43:04,912 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 13:43:04,912 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 13:43:04,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:04 BoogieIcfgContainer [2023-02-15 13:43:04,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 13:43:04,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 13:43:04,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 13:43:04,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 13:43:04,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:43:04" (1/3) ... [2023-02-15 13:43:04,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107059d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:43:04, skipping insertion in model container [2023-02-15 13:43:04,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:04" (2/3) ... [2023-02-15 13:43:04,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107059d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:43:04, skipping insertion in model container [2023-02-15 13:43:04,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:04" (3/3) ... [2023-02-15 13:43:04,938 INFO L112 eAbstractionObserver]: Analyzing ICFG id2_b3_o2.c [2023-02-15 13:43:04,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 13:43:04,961 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-15 13:43:04,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107059d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:43:04, skipping insertion in model container [2023-02-15 13:43:04,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 13:43:04,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 13:43:04,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 13:43:04,971 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 13:43:04,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:04" (3/3) ... [2023-02-15 13:43:04,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 13:43:05,002 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2023-02-15 13:43:05,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-02-15 13:43:05,006 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-15 13:43:05,006 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 13:43:05,006 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-15 13:43:05,006 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 13:43:05,067 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 13:43:05,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 13:43:05,071 INFO L158 Benchmark]: Toolchain (without parser) took 651.69ms. Allocated memory is still 119.5MB. Free memory was 76.2MB in the beginning and 48.9MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-15 13:43:05,072 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:43:05,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.69ms. Allocated memory is still 119.5MB. Free memory was 76.2MB in the beginning and 66.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 13:43:05,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.95ms. Allocated memory is still 119.5MB. Free memory was 66.4MB in the beginning and 64.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:43:05,073 INFO L158 Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 119.5MB. Free memory was 64.7MB in the beginning and 63.8MB in the end (delta: 943.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:43:05,074 INFO L158 Benchmark]: RCFGBuilder took 278.95ms. Allocated memory is still 119.5MB. Free memory was 63.8MB in the beginning and 54.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 13:43:05,078 INFO L158 Benchmark]: TraceAbstraction took 54.97ms. Allocated memory is still 119.5MB. Free memory was 53.3MB in the beginning and 51.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:43:05,078 INFO L158 Benchmark]: Witness Printer took 98.70ms. Allocated memory is still 119.5MB. Free memory was 51.2MB in the beginning and 48.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:43:05,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.69ms. Allocated memory is still 119.5MB. Free memory was 76.2MB in the beginning and 66.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.95ms. Allocated memory is still 119.5MB. Free memory was 66.4MB in the beginning and 64.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.75ms. Allocated memory is still 119.5MB. Free memory was 64.7MB in the beginning and 63.8MB in the end (delta: 943.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.95ms. Allocated memory is still 119.5MB. Free memory was 63.8MB in the beginning and 54.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 54.97ms. Allocated memory is still 119.5MB. Free memory was 53.3MB in the beginning and 51.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 98.70ms. Allocated memory is still 119.5MB. Free memory was 51.2MB in the beginning and 48.9MB in the end (delta: 2.3MB). 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! [2023-02-15 13:43:05,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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