./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8d31f386 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/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 75dd2ce3f6219a56f38a72471186bda1e7610d5c ................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 15:08:15,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 15:08:15,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 15:08:15,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 15:08:15,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 15:08:15,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 15:08:15,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 15:08:15,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 15:08:15,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 15:08:15,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 15:08:15,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 15:08:15,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 15:08:15,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 15:08:15,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 15:08:15,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 15:08:15,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 15:08:15,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 15:08:15,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 15:08:15,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 15:08:15,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 15:08:15,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 15:08:15,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 15:08:15,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 15:08:15,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 15:08:15,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 15:08:15,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 15:08:15,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 15:08:15,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 15:08:15,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 15:08:15,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 15:08:15,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 15:08:15,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 15:08:15,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 15:08:15,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 15:08:15,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 15:08:15,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 15:08:15,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 15:08:15,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 15:08:15,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 15:08:15,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 15:08:15,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 15:08:15,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-07-06 15:08:15,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 15:08:15,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 15:08:15,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 15:08:15,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 15:08:15,398 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 15:08:15,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 15:08:15,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 15:08:15,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 15:08:15,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 15:08:15,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-06 15:08:15,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-06 15:08:15,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-06 15:08:15,400 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-07-06 15:08:15,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 15:08:15,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 15:08:15,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-06 15:08:15,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 15:08:15,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 15:08:15,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-06 15:08:15,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 15:08:15,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 15:08:15,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-06 15:08:15,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-06 15:08:15,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 15:08:15,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-06 15:08:15,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-06 15:08:15,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 15:08:15,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75dd2ce3f6219a56f38a72471186bda1e7610d5c [2021-07-06 15:08:15,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 15:08:15,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 15:08:15,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 15:08:15,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 15:08:15,661 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 15:08:15,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-07-06 15:08:15,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcfa97821/875ff22c37304255a5579d634e4a9b16/FLAG08dfdfe59 [2021-07-06 15:08:16,072 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 15:08:16,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-07-06 15:08:16,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcfa97821/875ff22c37304255a5579d634e4a9b16/FLAG08dfdfe59 [2021-07-06 15:08:16,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcfa97821/875ff22c37304255a5579d634e4a9b16 [2021-07-06 15:08:16,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 15:08:16,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 15:08:16,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 15:08:16,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 15:08:16,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 15:08:16,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a16077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16, skipping insertion in model container [2021-07-06 15:08:16,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 15:08:16,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 15:08:16,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 15:08:16,205 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 15:08:16,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 15:08:16,220 INFO L208 MainTranslator]: Completed translation [2021-07-06 15:08:16,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16 WrapperNode [2021-07-06 15:08:16,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 15:08:16,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 15:08:16,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 15:08:16,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 15:08:16,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 15:08:16,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 15:08:16,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 15:08:16,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 15:08:16,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 15:08:16,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 15:08:16,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 15:08:16,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 15:08:16,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (1/1) ... [2021-07-06 15:08:16,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 15:08:16,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 15:08:16,303 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) [2021-07-06 15:08:16,325 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 [2021-07-06 15:08:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 15:08:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 15:08:16,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 15:08:16,464 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-07-06 15:08:16,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:08:16 BoogieIcfgContainer [2021-07-06 15:08:16,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 15:08:16,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-06 15:08:16,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-06 15:08:16,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-06 15:08:16,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.07 03:08:16" (1/3) ... [2021-07-06 15:08:16,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f16605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 03:08:16, skipping insertion in model container [2021-07-06 15:08:16,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:08:16" (2/3) ... [2021-07-06 15:08:16,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f16605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 03:08:16, skipping insertion in model container [2021-07-06 15:08:16,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:08:16" (3/3) ... [2021-07-06 15:08:16,472 INFO L111 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-07-06 15:08:16,476 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-06 15:08:16,476 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-07-06 15:08:16,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f16605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.07 03:08:16, skipping insertion in model container [2021-07-06 15:08:16,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-06 15:08:16,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 15:08:16,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 15:08:16,479 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 15:08:16,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:08:16" (3/3) ... [2021-07-06 15:08:16,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-06 15:08:16,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-07-06 15:08:16,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-06 15:08:16,520 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 15:08:16,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 15:08:16,522 INFO L168 Benchmark]: Toolchain (without parser) took 424.16 ms. Allocated memory is still 56.6 MB. Free memory was 36.3 MB in the beginning and 28.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-07-06 15:08:16,523 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 15:08:16,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.05 ms. Allocated memory is still 56.6 MB. Free memory was 36.2 MB in the beginning and 27.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-06 15:08:16,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.87 ms. Allocated memory is still 56.6 MB. Free memory was 27.7 MB in the beginning and 26.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 15:08:16,526 INFO L168 Benchmark]: Boogie Preprocessor took 38.00 ms. Allocated memory is still 56.6 MB. Free memory was 26.2 MB in the beginning and 40.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 15:08:16,527 INFO L168 Benchmark]: RCFGBuilder took 182.75 ms. Allocated memory is still 56.6 MB. Free memory was 40.6 MB in the beginning and 32.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-07-06 15:08:16,527 INFO L168 Benchmark]: TraceAbstraction took 11.84 ms. Allocated memory is still 56.6 MB. Free memory was 31.7 MB in the beginning and 30.7 MB in the end (delta: 975.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 15:08:16,527 INFO L168 Benchmark]: Witness Printer took 41.40 ms. Allocated memory is still 56.6 MB. Free memory was 30.5 MB in the beginning and 28.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 15:08:16,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 122.05 ms. Allocated memory is still 56.6 MB. Free memory was 36.2 MB in the beginning and 27.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 21.87 ms. Allocated memory is still 56.6 MB. Free memory was 27.7 MB in the beginning and 26.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.00 ms. Allocated memory is still 56.6 MB. Free memory was 26.2 MB in the beginning and 40.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 182.75 ms. Allocated memory is still 56.6 MB. Free memory was 40.6 MB in the beginning and 32.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11.84 ms. Allocated memory is still 56.6 MB. Free memory was 31.7 MB in the beginning and 30.7 MB in the end (delta: 975.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 41.40 ms. Allocated memory is still 56.6 MB. Free memory was 30.5 MB in the beginning and 28.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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! [2021-07-06 15:08:16,560 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...