./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 ff03de63 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-dev-ff03de6 [2021-12-21 20:47:59,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 20:47:59,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 20:47:59,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 20:47:59,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 20:47:59,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 20:47:59,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 20:47:59,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 20:47:59,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 20:47:59,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 20:47:59,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 20:47:59,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 20:47:59,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 20:47:59,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 20:47:59,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 20:47:59,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 20:47:59,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 20:47:59,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 20:47:59,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 20:47:59,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 20:47:59,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 20:47:59,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 20:47:59,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 20:47:59,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 20:47:59,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 20:47:59,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 20:47:59,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 20:47:59,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 20:47:59,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 20:47:59,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 20:47:59,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 20:47:59,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 20:47:59,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 20:47:59,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 20:47:59,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 20:47:59,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 20:47:59,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 20:47:59,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 20:47:59,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 20:47:59,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 20:47:59,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 20:47:59,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-21 20:47:59,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 20:47:59,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 20:47:59,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 20:47:59,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 20:47:59,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 20:47:59,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 20:47:59,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 20:47:59,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 20:47:59,948 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 20:47:59,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 20:47:59,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 20:47:59,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 20:47:59,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 20:47:59,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 20:47:59,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 20:47:59,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 20:47:59,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 20:47:59,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 20:47:59,951 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-21 20:47:59,951 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 20:47:59,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 20:47:59,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 20:47:59,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 20:47:59,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 20:47:59,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 20:47:59,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 20:47:59,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 20:47:59,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 20:47:59,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 20:47:59,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 20:47:59,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 20:47:59,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 20:47:59,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 20:47:59,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 20:47:59,955 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb642764a70597a56a9c7e88ddf473ddd44e8ae88be573923352b61cd2189845 [2021-12-21 20:48:00,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 20:48:00,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 20:48:00,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 20:48:00,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 20:48:00,190 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 20:48:00,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2021-12-21 20:48:00,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330ab5f8d/dc7ae54efe37479982a9ba783c520412/FLAG3eceaed53 [2021-12-21 20:48:00,632 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 20:48:00,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2021-12-21 20:48:00,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330ab5f8d/dc7ae54efe37479982a9ba783c520412/FLAG3eceaed53 [2021-12-21 20:48:01,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330ab5f8d/dc7ae54efe37479982a9ba783c520412 [2021-12-21 20:48:01,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 20:48:01,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 20:48:01,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 20:48:01,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 20:48:01,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 20:48:01,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211ca25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01, skipping insertion in model container [2021-12-21 20:48:01,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 20:48:01,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 20:48:01,183 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] [2021-12-21 20:48:01,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 20:48:01,190 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 20:48:01,201 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] [2021-12-21 20:48:01,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 20:48:01,211 INFO L208 MainTranslator]: Completed translation [2021-12-21 20:48:01,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01 WrapperNode [2021-12-21 20:48:01,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 20:48:01,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 20:48:01,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 20:48:01,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 20:48:01,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,232 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2021-12-21 20:48:01,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 20:48:01,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 20:48:01,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 20:48:01,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 20:48:01,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 20:48:01,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 20:48:01,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 20:48:01,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 20:48:01,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (1/1) ... [2021-12-21 20:48:01,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 20:48:01,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 20:48:01,284 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) [2021-12-21 20:48:01,299 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 [2021-12-21 20:48:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure A [2021-12-21 20:48:01,330 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2021-12-21 20:48:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 20:48:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 20:48:01,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 20:48:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 20:48:01,385 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 20:48:01,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 20:48:01,457 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 20:48:01,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 20:48:01,462 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 20:48:01,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 08:48:01 BoogieIcfgContainer [2021-12-21 20:48:01,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 20:48:01,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 20:48:01,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 20:48:01,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 20:48:01,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 08:48:01" (1/3) ... [2021-12-21 20:48:01,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61215a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 08:48:01, skipping insertion in model container [2021-12-21 20:48:01,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:48:01" (2/3) ... [2021-12-21 20:48:01,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61215a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 08:48:01, skipping insertion in model container [2021-12-21 20:48:01,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 08:48:01" (3/3) ... [2021-12-21 20:48:01,471 INFO L111 eAbstractionObserver]: Analyzing ICFG BallRajamani-SPIN2000-Fig1.c [2021-12-21 20:48:01,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 20:48:01,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-21 20:48:01,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61215a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 08:48:01, skipping insertion in model container [2021-12-21 20:48:01,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 20:48:01,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 20:48:01,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 20:48:01,495 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 20:48:01,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 08:48:01" (3/3) ... [2021-12-21 20:48:01,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 20:48:01,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure A [2021-12-21 20:48:01,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-12-21 20:48:01,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-21 20:48:01,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 20:48:01,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 20:48:01,565 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 20:48:01,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 20:48:01,576 INFO L158 Benchmark]: Toolchain (without parser) took 509.44ms. Allocated memory is still 111.1MB. Free memory was 81.8MB in the beginning and 57.2MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 20:48:01,577 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:48:01,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.29ms. Allocated memory is still 111.1MB. Free memory was 81.8MB in the beginning and 72.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 20:48:01,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.71ms. Allocated memory is still 111.1MB. Free memory was 72.5MB in the beginning and 71.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 20:48:01,579 INFO L158 Benchmark]: Boogie Preprocessor took 12.84ms. Allocated memory is still 111.1MB. Free memory was 71.2MB in the beginning and 70.2MB in the end (delta: 993.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:48:01,579 INFO L158 Benchmark]: RCFGBuilder took 217.02ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 61.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 20:48:01,580 INFO L158 Benchmark]: TraceAbstraction took 28.82ms. Allocated memory is still 111.1MB. Free memory was 60.4MB in the beginning and 59.7MB in the end (delta: 730.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:48:01,581 INFO L158 Benchmark]: Witness Printer took 72.72ms. Allocated memory is still 111.1MB. Free memory was 59.6MB in the beginning and 57.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 20:48:01,584 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 77.6MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.29ms. Allocated memory is still 111.1MB. Free memory was 81.8MB in the beginning and 72.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.71ms. Allocated memory is still 111.1MB. Free memory was 72.5MB in the beginning and 71.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.84ms. Allocated memory is still 111.1MB. Free memory was 71.2MB in the beginning and 70.2MB in the end (delta: 993.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 217.02ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 61.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 28.82ms. Allocated memory is still 111.1MB. Free memory was 60.4MB in the beginning and 59.7MB in the end (delta: 730.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.72ms. Allocated memory is still 111.1MB. Free memory was 59.6MB in the beginning and 57.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-12-21 20:48:01,623 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