./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3a877d22 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/BallRajamani-SPIN2000-Fig1.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 fb642764a70597a56a9c7e88ddf473ddd44e8ae88be573923352b61cd2189845 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 16:52:43,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 16:52:43,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 16:52:43,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 16:52:43,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 16:52:43,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 16:52:43,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 16:52:43,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 16:52:43,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 16:52:43,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 16:52:43,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 16:52:43,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 16:52:43,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 16:52:43,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 16:52:43,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 16:52:43,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 16:52:43,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 16:52:43,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 16:52:43,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 16:52:43,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 16:52:43,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 16:52:43,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 16:52:43,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 16:52:43,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 16:52:43,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 16:52:43,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 16:52:43,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 16:52:43,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 16:52:43,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 16:52:43,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 16:52:43,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 16:52:43,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 16:52:43,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 16:52:43,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 16:52:43,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 16:52:43,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 16:52:43,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 16:52:43,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 16:52:43,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 16:52:43,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 16:52:43,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 16:52:43,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-15 16:52:43,374 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 16:52:43,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 16:52:43,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 16:52:43,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 16:52:43,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 16:52:43,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 16:52:43,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 16:52:43,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 16:52:43,378 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 16:52:43,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 16:52:43,381 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 16:52:43,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 16:52:43,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 16:52:43,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 16:52:43,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 16:52:43,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 16:52:43,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 16:52:43,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 16:52:43,382 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-15 16:52:43,383 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 16:52:43,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 16:52:43,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 16:52:43,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 16:52:43,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 16:52:43,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 16:52:43,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 16:52:43,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 16:52:43,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 16:52:43,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 16:52:43,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 16:52:43,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 16:52:43,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 16:52:43,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 16:52:43,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 16:52:43,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb642764a70597a56a9c7e88ddf473ddd44e8ae88be573923352b61cd2189845 [2021-12-15 16:52:43,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 16:52:43,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 16:52:43,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 16:52:43,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 16:52:43,617 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 16:52:43,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2021-12-15 16:52:43,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c624e427/3a18bebb55b84423a22687ed9584e7c8/FLAG4ebf83a7f [2021-12-15 16:52:44,050 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 16:52:44,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2021-12-15 16:52:44,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c624e427/3a18bebb55b84423a22687ed9584e7c8/FLAG4ebf83a7f [2021-12-15 16:52:44,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c624e427/3a18bebb55b84423a22687ed9584e7c8 [2021-12-15 16:52:44,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 16:52:44,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 16:52:44,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 16:52:44,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 16:52:44,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 16:52:44,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793ae4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44, skipping insertion in model container [2021-12-15 16:52:44,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 16:52:44,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 16:52:44,191 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/BallRajamani-SPIN2000-Fig1.c[718,731] [2021-12-15 16:52:44,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 16:52:44,206 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 16:52:44,218 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/BallRajamani-SPIN2000-Fig1.c[718,731] [2021-12-15 16:52:44,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 16:52:44,230 INFO L208 MainTranslator]: Completed translation [2021-12-15 16:52:44,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44 WrapperNode [2021-12-15 16:52:44,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 16:52:44,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 16:52:44,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 16:52:44,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 16:52:44,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,257 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2021-12-15 16:52:44,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 16:52:44,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 16:52:44,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 16:52:44,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 16:52:44,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 16:52:44,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 16:52:44,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 16:52:44,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 16:52:44,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (1/1) ... [2021-12-15 16:52:44,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 16:52:44,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:52:44,320 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) [2021-12-15 16:52:44,338 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 [2021-12-15 16:52:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure A [2021-12-15 16:52:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2021-12-15 16:52:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 16:52:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 16:52:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 16:52:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 16:52:44,393 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 16:52:44,394 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 16:52:44,469 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 16:52:44,473 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 16:52:44,473 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 16:52:44,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:52:44 BoogieIcfgContainer [2021-12-15 16:52:44,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 16:52:44,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 16:52:44,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 16:52:44,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 16:52:44,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 04:52:44" (1/3) ... [2021-12-15 16:52:44,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31083ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 04:52:44, skipping insertion in model container [2021-12-15 16:52:44,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:52:44" (2/3) ... [2021-12-15 16:52:44,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31083ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 04:52:44, skipping insertion in model container [2021-12-15 16:52:44,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:52:44" (3/3) ... [2021-12-15 16:52:44,485 INFO L111 eAbstractionObserver]: Analyzing ICFG BallRajamani-SPIN2000-Fig1.c [2021-12-15 16:52:44,490 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 16:52:44,490 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-15 16:52:44,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31083ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 04:52:44, skipping insertion in model container [2021-12-15 16:52:44,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 16:52:44,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 16:52:44,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 16:52:44,492 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 16:52:44,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:52:44" (3/3) ... [2021-12-15 16:52:44,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 16:52:44,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure A [2021-12-15 16:52:44,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-12-15 16:52:44,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-15 16:52:44,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 16:52:44,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 16:52:44,545 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 16:52:44,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 16:52:44,550 INFO L158 Benchmark]: Toolchain (without parser) took 480.53ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 62.7MB in the end (delta: 24.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 16:52:44,551 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:52:44,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.53ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 77.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 16:52:44,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.50ms. Allocated memory is still 113.2MB. 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. [2021-12-15 16:52:44,553 INFO L158 Benchmark]: Boogie Preprocessor took 24.97ms. Allocated memory is still 113.2MB. Free memory was 76.4MB in the beginning and 75.4MB in the end (delta: 971.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:52:44,554 INFO L158 Benchmark]: RCFGBuilder took 190.73ms. Allocated memory is still 113.2MB. Free memory was 75.4MB in the beginning and 66.5MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 16:52:44,555 INFO L158 Benchmark]: TraceAbstraction took 15.24ms. Allocated memory is still 113.2MB. Free memory was 65.9MB in the beginning and 65.0MB in the end (delta: 940.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:52:44,555 INFO L158 Benchmark]: Witness Printer took 55.99ms. Allocated memory is still 113.2MB. Free memory was 65.0MB in the beginning and 62.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 16:52:44,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160.53ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 77.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.50ms. Allocated memory is still 113.2MB. 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 24.97ms. Allocated memory is still 113.2MB. Free memory was 76.4MB in the beginning and 75.4MB in the end (delta: 971.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 190.73ms. Allocated memory is still 113.2MB. Free memory was 75.4MB in the beginning and 66.5MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15.24ms. Allocated memory is still 113.2MB. Free memory was 65.9MB in the beginning and 65.0MB in the end (delta: 940.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.99ms. Allocated memory is still 113.2MB. Free memory was 65.0MB in the beginning and 62.7MB 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-12-15 16:52:44,600 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