./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 791161d1 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-?-791161d [2022-07-23 13:31:54,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 13:31:54,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 13:31:54,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 13:31:54,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 13:31:54,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 13:31:54,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 13:31:54,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 13:31:54,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 13:31:54,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 13:31:54,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 13:31:54,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 13:31:54,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 13:31:54,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 13:31:54,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 13:31:54,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 13:31:54,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 13:31:54,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 13:31:54,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 13:31:54,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 13:31:54,543 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 13:31:54,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 13:31:54,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 13:31:54,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 13:31:54,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 13:31:54,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 13:31:54,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 13:31:54,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 13:31:54,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 13:31:54,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 13:31:54,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 13:31:54,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 13:31:54,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 13:31:54,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 13:31:54,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 13:31:54,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 13:31:54,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 13:31:54,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 13:31:54,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 13:31:54,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 13:31:54,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 13:31:54,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 13:31:54,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-23 13:31:54,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 13:31:54,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 13:31:54,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 13:31:54,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 13:31:54,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 13:31:54,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 13:31:54,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 13:31:54,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 13:31:54,598 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 13:31:54,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 13:31:54,599 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 13:31:54,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 13:31:54,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 13:31:54,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 13:31:54,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 13:31:54,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 13:31:54,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 13:31:54,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 13:31:54,601 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-23 13:31:54,602 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 13:31:54,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 13:31:54,602 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 13:31:54,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 13:31:54,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 13:31:54,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 13:31:54,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 13:31:54,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:31:54,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 13:31:54,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 13:31:54,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 13:31:54,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 13:31:54,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 13:31:54,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 13:31:54,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 [2022-07-23 13:31:54,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 13:31:54,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 13:31:54,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 13:31:54,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 13:31:54,875 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 13:31:54,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2022-07-23 13:31:54,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde8885cf/29962962a71b468b8b3b091aaf4607ce/FLAG73b85948b [2022-07-23 13:31:55,248 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 13:31:55,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2022-07-23 13:31:55,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde8885cf/29962962a71b468b8b3b091aaf4607ce/FLAG73b85948b [2022-07-23 13:31:55,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde8885cf/29962962a71b468b8b3b091aaf4607ce [2022-07-23 13:31:55,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 13:31:55,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 13:31:55,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 13:31:55,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 13:31:55,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 13:31:55,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514553d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55, skipping insertion in model container [2022-07-23 13:31:55,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 13:31:55,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 13:31:55,857 WARN L230 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] [2022-07-23 13:31:55,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:31:55,863 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 13:31:55,882 WARN L230 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] [2022-07-23 13:31:55,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:31:55,897 INFO L208 MainTranslator]: Completed translation [2022-07-23 13:31:55,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55 WrapperNode [2022-07-23 13:31:55,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 13:31:55,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 13:31:55,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 13:31:55,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 13:31:55,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,925 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-07-23 13:31:55,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 13:31:55,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 13:31:55,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 13:31:55,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 13:31:55,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 13:31:55,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 13:31:55,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 13:31:55,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 13:31:55,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (1/1) ... [2022-07-23 13:31:55,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:31:55,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:31:55,981 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) [2022-07-23 13:31:56,007 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 [2022-07-23 13:31:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 13:31:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 13:31:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2022-07-23 13:31:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2022-07-23 13:31:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 13:31:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 13:31:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-07-23 13:31:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-07-23 13:31:56,069 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 13:31:56,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 13:31:56,198 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 13:31:56,205 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 13:31:56,206 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 13:31:56,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:31:56 BoogieIcfgContainer [2022-07-23 13:31:56,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 13:31:56,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 13:31:56,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 13:31:56,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 13:31:56,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:31:55" (1/3) ... [2022-07-23 13:31:56,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106879ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:31:56, skipping insertion in model container [2022-07-23 13:31:56,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:31:55" (2/3) ... [2022-07-23 13:31:56,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106879ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:31:56, skipping insertion in model container [2022-07-23 13:31:56,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:31:56" (3/3) ... [2022-07-23 13:31:56,220 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2022-07-23 13:31:56,235 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 13:31:56,236 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-07-23 13:31:56,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106879ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:31:56, skipping insertion in model container [2022-07-23 13:31:56,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 13:31:56,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 13:31:56,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 13:31:56,238 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 13:31:56,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:31:56" (3/3) ... [2022-07-23 13:31:56,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-23 13:31:56,248 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2022-07-23 13:31:56,248 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-07-23 13:31:56,253 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-23 13:31:56,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-23 13:31:56,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-23 13:31:56,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-23 13:31:56,294 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 13:31:56,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 13:31:56,299 INFO L158 Benchmark]: Toolchain (without parser) took 596.95ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 53.6MB in the beginning and 68.2MB in the end (delta: -14.6MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-07-23 13:31:56,300 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:31:56,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.76ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 53.6MB in the beginning and 85.4MB in the end (delta: -31.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 13:31:56,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.11ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 84.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:31:56,302 INFO L158 Benchmark]: Boogie Preprocessor took 23.17ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 83.4MB in the end (delta: 634.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:31:56,302 INFO L158 Benchmark]: RCFGBuilder took 258.06ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 72.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 13:31:56,303 INFO L158 Benchmark]: TraceAbstraction took 26.37ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:31:56,303 INFO L158 Benchmark]: Witness Printer took 56.25ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 68.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:31:56,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.76ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 53.6MB in the beginning and 85.4MB in the end (delta: -31.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.11ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 84.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.17ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 83.4MB in the end (delta: 634.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 258.06ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 72.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 26.37ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 56.25ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 68.2MB 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-07-23 13:31:56,344 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