./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/WhileTrue.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/WhileTrue.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 b58543c5c6c478461bb3678f5712726562def78f .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:29:49,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:29:49,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:29:49,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:29:49,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:29:49,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:29:49,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:29:49,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:29:49,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:29:49,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:29:49,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:29:49,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:29:49,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:29:49,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:29:49,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:29:49,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:29:49,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:29:49,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:29:49,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:29:49,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:29:49,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:29:49,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:29:49,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:29:49,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:29:49,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:29:49,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:29:49,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:29:49,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:29:49,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:29:49,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:29:49,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:29:49,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:29:49,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:29:49,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:29:49,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:29:49,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:29:49,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:29:49,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:29:49,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:29:49,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:29:49,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:29:49,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-19 18:29:49,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:29:49,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:29:49,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:29:49,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:29:49,354 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:29:49,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:29:49,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:29:49,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:29:49,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:29:49,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 18:29:49,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:29:49,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 18:29:49,356 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-19 18:29:49,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:29:49,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:29:49,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 18:29:49,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:29:49,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:29:49,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:29:49,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:29:49,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:29:49,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:29:49,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:29:49,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 18:29:49,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:29:49,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:29:49,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 18:29:49,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:29:49,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> b58543c5c6c478461bb3678f5712726562def78f [2020-10-19 18:29:49,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:29:49,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:29:49,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:29:49,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:29:49,713 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:29:49,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/WhileTrue.c [2020-10-19 18:29:49,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff3ed97e/c1eac04e893847e99007617b1c167276/FLAG81aa4bf6f [2020-10-19 18:29:50,121 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:29:50,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/WhileTrue.c [2020-10-19 18:29:50,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff3ed97e/c1eac04e893847e99007617b1c167276/FLAG81aa4bf6f [2020-10-19 18:29:50,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff3ed97e/c1eac04e893847e99007617b1c167276 [2020-10-19 18:29:50,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:29:50,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:29:50,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:29:50,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:29:50,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:29:50,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dd2450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50, skipping insertion in model container [2020-10-19 18:29:50,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:29:50,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:29:50,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:29:50,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:29:50,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:29:50,753 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:29:50,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50 WrapperNode [2020-10-19 18:29:50,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:29:50,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:29:50,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:29:50,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:29:50,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:29:50,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:29:50,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:29:50,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:29:50,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:29:50,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:29:50,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:29:50,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:29:50,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:29:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:29:50,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:29:51,101 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:29:51,102 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-19 18:29:51,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:29:51 BoogieIcfgContainer [2020-10-19 18:29:51,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:29:51,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:29:51,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:29:51,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:29:51,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:29:50" (1/3) ... [2020-10-19 18:29:51,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f963c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:29:51, skipping insertion in model container [2020-10-19 18:29:51,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (2/3) ... [2020-10-19 18:29:51,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f963c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:29:51, skipping insertion in model container [2020-10-19 18:29:51,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:29:51" (3/3) ... [2020-10-19 18:29:51,114 INFO L111 eAbstractionObserver]: Analyzing ICFG WhileTrue.c [2020-10-19 18:29:51,127 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:29:51,134 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-19 18:29:51,149 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-19 18:29:51,178 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:29:51,178 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 18:29:51,178 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:29:51,178 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:29:51,179 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:29:51,179 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:29:51,179 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:29:51,179 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:29:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-10-19 18:29:51,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:29:51,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-19 18:29:51,267 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 18:29:51,268 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 18:29:51,268 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 18:29:51,268 INFO L277 CegarLoopResult]: At program point L16(lines 11 17) the Hoare annotation is: true [2020-10-19 18:29:51,268 INFO L277 CegarLoopResult]: At program point L13-2(lines 13 15) the Hoare annotation is: true [2020-10-19 18:29:51,269 INFO L274 CegarLoopResult]: For program point L13-3(lines 13 15) no Hoare annotation was computed. [2020-10-19 18:29:51,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:29:51 BoogieIcfgContainer [2020-10-19 18:29:51,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:29:51,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:29:51,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:29:51,282 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:29:51,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:29:51" (3/4) ... [2020-10-19 18:29:51,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:29:51,305 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:29:51,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:29:51,360 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:29:51,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:29:51,366 INFO L168 Benchmark]: Toolchain (without parser) took 837.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:29:51,367 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:29:51,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.31 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:29:51,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.83 ms. Allocated memory is still 1.0 GB. Free memory is still 943.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:29:51,371 INFO L168 Benchmark]: Boogie Preprocessor took 88.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:29:51,373 INFO L168 Benchmark]: RCFGBuilder took 223.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:29:51,379 INFO L168 Benchmark]: TraceAbstraction took 175.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:29:51,380 INFO L168 Benchmark]: Witness Printer took 79.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:29:51,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.31 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.83 ms. Allocated memory is still 1.0 GB. Free memory is still 943.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 223.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 175.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Witness Printer took 79.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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. - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...