./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:42:28,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:42:28,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:42:28,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:42:28,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:42:28,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:42:28,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:42:28,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:42:28,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:42:28,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:42:28,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:42:28,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:42:28,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:42:28,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:42:28,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:42:28,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:42:28,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:42:28,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:42:28,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:42:28,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:42:28,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:42:28,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:42:28,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:42:28,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:42:28,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:42:28,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:42:28,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:42:28,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:42:28,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:42:28,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:42:28,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:42:28,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:42:28,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:42:28,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:42:28,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:42:28,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:42:28,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:42:28,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:42:28,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:42:28,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:42:28,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:42:28,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-14 22:42:28,329 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:42:28,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:42:28,330 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:42:28,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:42:28,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:42:28,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:42:28,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:42:28,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:42:28,332 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:42:28,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:42:28,333 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 22:42:28,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:42:28,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:42:28,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 22:42:28,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:42:28,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 22:42:28,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:42:28,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 22:42:28,334 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-14 22:42:28,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 22:42:28,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 22:42:28,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:42:28,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 22:42:28,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:42:28,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:42:28,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:42:28,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:42:28,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:42:28,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:42:28,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 22:42:28,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 22:42:28,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 22:42:28,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 22:42:28,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:42:28,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 [2021-12-14 22:42:28,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:42:28,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:42:28,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:42:28,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:42:28,542 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:42:28,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-12-14 22:42:28,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6a2d2d1/e642e39f6e244aeba14b6254838c1250/FLAG083e261cf [2021-12-14 22:42:28,932 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:42:28,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-12-14 22:42:28,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6a2d2d1/e642e39f6e244aeba14b6254838c1250/FLAG083e261cf [2021-12-14 22:42:28,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6a2d2d1/e642e39f6e244aeba14b6254838c1250 [2021-12-14 22:42:28,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:42:28,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:42:28,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:42:28,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:42:28,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:42:28,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:42:28" (1/1) ... [2021-12-14 22:42:28,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d80796a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:28, skipping insertion in model container [2021-12-14 22:42:28,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:42:28" (1/1) ... [2021-12-14 22:42:28,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:42:28,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:42:29,136 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] [2021-12-14 22:42:29,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 22:42:29,142 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 22:42:29,157 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] [2021-12-14 22:42:29,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 22:42:29,169 INFO L208 MainTranslator]: Completed translation [2021-12-14 22:42:29,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29 WrapperNode [2021-12-14 22:42:29,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 22:42:29,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 22:42:29,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 22:42:29,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 22:42:29,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,193 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-12-14 22:42:29,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 22:42:29,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 22:42:29,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 22:42:29,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 22:42:29,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 22:42:29,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 22:42:29,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 22:42:29,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 22:42:29,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (1/1) ... [2021-12-14 22:42:29,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:42:29,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 22:42:29,232 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) [2021-12-14 22:42:29,234 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 [2021-12-14 22:42:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 22:42:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 22:42:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-12-14 22:42:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-12-14 22:42:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 22:42:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 22:42:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-12-14 22:42:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-12-14 22:42:29,310 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 22:42:29,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 22:42:29,380 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 22:42:29,384 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 22:42:29,385 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 22:42:29,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:42:29 BoogieIcfgContainer [2021-12-14 22:42:29,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 22:42:29,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 22:42:29,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 22:42:29,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 22:42:29,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:42:28" (1/3) ... [2021-12-14 22:42:29,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362120e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:42:29, skipping insertion in model container [2021-12-14 22:42:29,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:42:29" (2/3) ... [2021-12-14 22:42:29,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362120e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:42:29, skipping insertion in model container [2021-12-14 22:42:29,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:42:29" (3/3) ... [2021-12-14 22:42:29,392 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2021-12-14 22:42:29,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 22:42:29,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-14 22:42:29,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362120e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:42:29, skipping insertion in model container [2021-12-14 22:42:29,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 22:42:29,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 22:42:29,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 22:42:29,398 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 22:42:29,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:42:29" (3/3) ... [2021-12-14 22:42:29,400 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-14 22:42:29,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-12-14 22:42:29,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-12-14 22:42:29,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-14 22:42:29,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-14 22:42:29,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-14 22:42:29,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-14 22:42:29,441 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 22:42:29,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 22:42:29,443 INFO L158 Benchmark]: Toolchain (without parser) took 485.62ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 55.4MB in the beginning and 79.4MB in the end (delta: -24.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-12-14 22:42:29,443 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:42:29,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.62ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 55.2MB in the beginning and 94.7MB in the end (delta: -39.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 22:42:29,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.14ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 93.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 22:42:29,445 INFO L158 Benchmark]: Boogie Preprocessor took 13.24ms. Allocated memory is still 119.5MB. Free memory was 93.3MB in the beginning and 92.6MB in the end (delta: 695.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:42:29,446 INFO L158 Benchmark]: RCFGBuilder took 178.19ms. Allocated memory is still 119.5MB. Free memory was 92.6MB in the beginning and 82.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 22:42:29,446 INFO L158 Benchmark]: TraceAbstraction took 9.75ms. Allocated memory is still 119.5MB. Free memory was 82.9MB in the beginning and 82.2MB in the end (delta: 736.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:42:29,447 INFO L158 Benchmark]: Witness Printer took 43.38ms. Allocated memory is still 119.5MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 22:42:29,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.62ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 55.2MB in the beginning and 94.7MB in the end (delta: -39.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.14ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 93.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.24ms. Allocated memory is still 119.5MB. Free memory was 93.3MB in the beginning and 92.6MB in the end (delta: 695.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 178.19ms. Allocated memory is still 119.5MB. Free memory was 92.6MB in the beginning and 82.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9.75ms. Allocated memory is still 119.5MB. Free memory was 82.9MB in the beginning and 82.2MB in the end (delta: 736.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.38ms. Allocated memory is still 119.5MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). 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! [2021-12-14 22:42:29,479 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