/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 14:15:37,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 14:15:37,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 14:15:38,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 14:15:38,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 14:15:38,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 14:15:38,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 14:15:38,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 14:15:38,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 14:15:38,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 14:15:38,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 14:15:38,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 14:15:38,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 14:15:38,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 14:15:38,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 14:15:38,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 14:15:38,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 14:15:38,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 14:15:38,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 14:15:38,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 14:15:38,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 14:15:38,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 14:15:38,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 14:15:38,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 14:15:38,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 14:15:38,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 14:15:38,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 14:15:38,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 14:15:38,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 14:15:38,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 14:15:38,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 14:15:38,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 14:15:38,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 14:15:38,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 14:15:38,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 14:15:38,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 14:15:38,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 14:15:38,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 14:15:38,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 14:15:38,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 14:15:38,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 14:15:38,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2021-03-11 14:15:38,081 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 14:15:38,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 14:15:38,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 14:15:38,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 14:15:38,084 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 14:15:38,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 14:15:38,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 14:15:38,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 14:15:38,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 14:15:38,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 14:15:38,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 14:15:38,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 14:15:38,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 14:15:38,085 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 14:15:38,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 14:15:38,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 14:15:38,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 14:15:38,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:15:38,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 14:15:38,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 14:15:38,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 14:15:38,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 14:15:38,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 14:15:38,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 14:15:38,363 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 14:15:38,363 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 14:15:38,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl [2021-03-11 14:15:38,364 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl' [2021-03-11 14:15:38,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 14:15:38,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 14:15:38,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 14:15:38,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 14:15:38,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 14:15:38,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 14:15:38,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 14:15:38,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 14:15:38,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 14:15:38,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/1) ... [2021-03-11 14:15:38,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 14:15:38,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 14:15:38,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 14:15:38,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 14:15:38,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (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 [2021-03-11 14:15:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 14:15:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 14:15:38,552 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 14:15:38,552 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 14:15:38,553 INFO L202 PluginConnector]: Adding new model LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:15:38 BoogieIcfgContainer [2021-03-11 14:15:38,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 14:15:38,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 14:15:38,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 14:15:38,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 14:15:38,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:38" (1/2) ... [2021-03-11 14:15:38,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6896e5a2 and model type LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:15:38, skipping insertion in model container [2021-03-11 14:15:38,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:15:38" (2/2) ... [2021-03-11 14:15:38,558 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_Y_to_V.bpl [2021-03-11 14:15:38,562 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 14:15:38,564 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-11 14:15:38,575 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2021-03-11 14:15:38,602 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 14:15:38,603 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 14:15:38,603 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 14:15:38,603 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 14:15:38,603 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 14:15:38,603 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 14:15:38,604 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 14:15:38,604 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 14:15:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:15:38,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 14:15:38,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:15:38,621 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startEXIT(lines 17 26) no Hoare annotation was computed. [2021-03-11 14:15:38,621 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startENTRY(lines 17 26) no Hoare annotation was computed. [2021-03-11 14:15:38,621 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startFINAL(lines 17 26) no Hoare annotation was computed. [2021-03-11 14:15:38,622 INFO L198 CegarLoopUtils]: For program point L20(lines 20 24) no Hoare annotation was computed. [2021-03-11 14:15:38,622 INFO L198 CegarLoopUtils]: For program point L20-2(lines 20 24) no Hoare annotation was computed. [2021-03-11 14:15:38,624 INFO L202 PluginConnector]: Adding new model LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:15:38 BoogieIcfgContainer [2021-03-11 14:15:38,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 14:15:38,625 INFO L168 Benchmark]: Toolchain (without parser) took 225.68 ms. Allocated memory is still 360.7 MB. Free memory was 340.8 MB in the beginning and 324.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:38,626 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 360.7 MB. Free memory is still 341.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:15:38,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.50 ms. Allocated memory is still 360.7 MB. Free memory was 340.3 MB in the beginning and 338.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:15:38,627 INFO L168 Benchmark]: Boogie Preprocessor took 9.66 ms. Allocated memory is still 360.7 MB. Free memory was 338.9 MB in the beginning and 338.0 MB in the end (delta: 933.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:38,627 INFO L168 Benchmark]: RCFGBuilder took 120.51 ms. Allocated memory is still 360.7 MB. Free memory was 338.0 MB in the beginning and 330.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:38,628 INFO L168 Benchmark]: TraceAbstraction took 69.43 ms. Allocated memory is still 360.7 MB. Free memory was 329.7 MB in the beginning and 324.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:38,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 360.7 MB. Free memory is still 341.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.50 ms. Allocated memory is still 360.7 MB. Free memory was 340.3 MB in the beginning and 338.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.66 ms. Allocated memory is still 360.7 MB. Free memory was 338.9 MB in the beginning and 338.0 MB in the end (delta: 933.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 120.51 ms. Allocated memory is still 360.7 MB. Free memory was 338.0 MB in the beginning and 330.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 69.43 ms. Allocated memory is still 360.7 MB. Free memory was 329.7 MB in the beginning and 324.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 5.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2.7ms, InitialAbstractionConstructionTime: 7.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0ms HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...