./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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/loops/bubble_sort-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33b3a1e4933d5e511f1e529d9f92c0b363f8dd4a ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:02:49,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:02:49,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:02:49,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:02:49,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:02:49,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:02:49,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:02:49,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:02:49,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:02:49,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:02:49,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:02:49,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:02:49,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:02:49,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:02:49,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:02:49,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:02:49,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:02:49,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:02:49,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:02:49,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:02:49,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:02:49,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:02:49,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:02:49,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:02:49,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:02:49,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:02:49,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:02:49,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:02:49,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:02:49,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:02:49,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:02:49,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:02:49,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:02:49,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:02:49,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:02:49,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:02:49,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:02:49,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:02:49,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:02:49,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:02:49,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:02:49,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:02:49,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:02:49,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:02:49,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:02:49,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:02:49,324 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:02:49,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:02:49,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:02:49,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:02:49,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:02:49,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:02:49,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:02:49,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:02:49,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:02:49,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:02:49,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:02:49,330 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:02:49,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:02:49,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:02:49,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:02:49,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:02:49,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:02:49,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:02:49,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:02:49,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:02:49,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:02:49,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:02:49,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:02:49,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:02:49,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:02:49,336 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 ! call(__VERIFIER_error())) ) 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 -> 33b3a1e4933d5e511f1e529d9f92c0b363f8dd4a [2019-11-28 17:02:49,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:02:49,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:02:49,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:02:49,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:02:49,712 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:02:49,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/bubble_sort-1.c [2019-11-28 17:02:49,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9506ad2f6/aabaaae4203e47a184e711c373c200a3/FLAGbc3f8a101 [2019-11-28 17:02:50,233 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:02:50,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c [2019-11-28 17:02:50,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9506ad2f6/aabaaae4203e47a184e711c373c200a3/FLAGbc3f8a101 [2019-11-28 17:02:50,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9506ad2f6/aabaaae4203e47a184e711c373c200a3 [2019-11-28 17:02:50,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:02:50,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:02:50,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:02:50,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:02:50,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:02:50,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:02:50" (1/1) ... [2019-11-28 17:02:50,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0a8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50, skipping insertion in model container [2019-11-28 17:02:50,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:02:50" (1/1) ... [2019-11-28 17:02:50,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:02:50,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:02:50,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:02:50,996 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:02:51,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:02:51,171 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:02:51,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51 WrapperNode [2019-11-28 17:02:51,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:02:51,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:02:51,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:02:51,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:02:51,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:02:51,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:02:51,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:02:51,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:02:51,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (1/1) ... [2019-11-28 17:02:51,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:02:51,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:02:51,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:02:51,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:02:51,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (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 [2019-11-28 17:02:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:02:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 17:02:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:02:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:02:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 17:02:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 17:02:51,667 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:02:51,667 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-28 17:02:51,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:02:51 BoogieIcfgContainer [2019-11-28 17:02:51,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:02:51,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:02:51,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:02:51,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:02:51,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:02:50" (1/3) ... [2019-11-28 17:02:51,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d254aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:02:51, skipping insertion in model container [2019-11-28 17:02:51,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:51" (2/3) ... [2019-11-28 17:02:51,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d254aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:02:51, skipping insertion in model container [2019-11-28 17:02:51,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:02:51" (3/3) ... [2019-11-28 17:02:51,676 INFO L109 eAbstractionObserver]: Analyzing ICFG bubble_sort-1.c [2019-11-28 17:02:51,686 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:02:51,696 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 17:02:51,708 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 17:02:51,729 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:02:51,729 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:02:51,729 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:02:51,729 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:02:51,730 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:02:51,730 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:02:51,730 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:02:51,730 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:02:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-11-28 17:02:51,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:02:51,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 27 states. [2019-11-28 17:02:51,810 INFO L249 CegarLoopResult]: At program point L68-3(line 68) the Hoare annotation is: true [2019-11-28 17:02:51,811 INFO L249 CegarLoopResult]: At program point L52(lines 52 85) the Hoare annotation is: true [2019-11-28 17:02:51,811 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:02:51,811 INFO L249 CegarLoopResult]: At program point L61(lines 61 81) the Hoare annotation is: true [2019-11-28 17:02:51,811 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:02:51,811 INFO L246 CegarLoopResult]: For program point L12(lines 12 32) no Hoare annotation was computed. [2019-11-28 17:02:51,811 INFO L246 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-28 17:02:51,812 INFO L246 CegarLoopResult]: For program point L21(lines 21 29) no Hoare annotation was computed. [2019-11-28 17:02:51,812 INFO L246 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2019-11-28 17:02:51,812 INFO L246 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-28 17:02:51,812 INFO L246 CegarLoopResult]: For program point L72-2(line 72) no Hoare annotation was computed. [2019-11-28 17:02:51,812 INFO L249 CegarLoopResult]: At program point L72-3(line 72) the Hoare annotation is: true [2019-11-28 17:02:51,813 INFO L246 CegarLoopResult]: For program point L72-4(line 72) no Hoare annotation was computed. [2019-11-28 17:02:51,813 INFO L246 CegarLoopResult]: For program point L64-2(line 64) no Hoare annotation was computed. [2019-11-28 17:02:51,813 INFO L249 CegarLoopResult]: At program point L64-3(line 64) the Hoare annotation is: true [2019-11-28 17:02:51,813 INFO L246 CegarLoopResult]: For program point L23(lines 23 28) no Hoare annotation was computed. [2019-11-28 17:02:51,814 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:02:51,814 INFO L246 CegarLoopResult]: For program point L16-2(lines 16 31) no Hoare annotation was computed. [2019-11-28 17:02:51,814 INFO L249 CegarLoopResult]: At program point L16-3(lines 16 31) the Hoare annotation is: true [2019-11-28 17:02:51,814 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-28 17:02:51,815 INFO L249 CegarLoopResult]: At program point L74-3(lines 74 79) the Hoare annotation is: true [2019-11-28 17:02:51,815 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:02:51,815 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-28 17:02:51,815 INFO L249 CegarLoopResult]: At program point L92(lines 87 93) the Hoare annotation is: true [2019-11-28 17:02:51,815 INFO L246 CegarLoopResult]: For program point L18-2(lines 18 30) no Hoare annotation was computed. [2019-11-28 17:02:51,816 INFO L249 CegarLoopResult]: At program point L18-3(lines 18 30) the Hoare annotation is: true [2019-11-28 17:02:51,816 INFO L246 CegarLoopResult]: For program point L68-2(line 68) no Hoare annotation was computed. [2019-11-28 17:02:51,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:02:51 BoogieIcfgContainer [2019-11-28 17:02:51,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:02:51,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:02:51,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:02:51,827 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:02:51,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:02:51" (3/4) ... [2019-11-28 17:02:51,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:02:51,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:02:51,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:02:51,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:02:51,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:02:51,938 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:02:51,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:02:51,942 INFO L168 Benchmark]: Toolchain (without parser) took 1302.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -127.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:02:51,944 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:02:51,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:02:51,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.62 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. [2019-11-28 17:02:51,946 INFO L168 Benchmark]: Boogie Preprocessor took 32.06 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:02:51,946 INFO L168 Benchmark]: RCFGBuilder took 411.08 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:02:51,947 INFO L168 Benchmark]: TraceAbstraction took 156.94 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:02:51,947 INFO L168 Benchmark]: Witness Printer took 112.09 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. [2019-11-28 17:02:51,952 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.62 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. * Boogie Preprocessor took 32.06 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 411.08 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 156.94 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 112.09 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 9 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 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...