/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-PN-NoLbe.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 04:35:53,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 04:35:53,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 04:35:53,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 04:35:53,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 04:35:53,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 04:35:53,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 04:35:53,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 04:35:53,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 04:35:53,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 04:35:53,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 04:35:53,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 04:35:53,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 04:35:53,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 04:35:53,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 04:35:53,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 04:35:53,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 04:35:53,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 04:35:53,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 04:35:53,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 04:35:53,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 04:35:53,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 04:35:53,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 04:35:53,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 04:35:53,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 04:35:53,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 04:35:53,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 04:35:53,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 04:35:53,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 04:35:53,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 04:35:53,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 04:35:53,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 04:35:53,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 04:35:53,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 04:35:53,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 04:35:53,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 04:35:53,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 04:35:53,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 04:35:53,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 04:35:53,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 04:35:53,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 04:35:53,457 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-PN-NoLbe.epf [2021-03-11 04:35:53,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 04:35:53,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 04:35:53,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 04:35:53,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 04:35:53,493 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 04:35:53,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 04:35:53,493 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 04:35:53,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 04:35:53,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 04:35:53,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 04:35:53,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 04:35:53,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 04:35:53,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 04:35:53,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 04:35:53,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 04:35:53,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 04:35:53,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 04:35:53,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 04:35:53,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 04:35:53,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 04:35:53,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 04:35:53,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 04:35:53,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 04:35:53,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 04:35:53,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 04:35:53,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 04:35:53,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 04:35:53,496 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 04:35:53,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 04:35:53,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 04:35:53,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 04:35:53,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 04:35:53,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 04:35:53,829 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 04:35:53,829 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 04:35:53,830 INFO L432 ainManager$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 04:35:53,830 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl' [2021-03-11 04:35:53,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 04:35:53,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 04:35:53,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 04:35:53,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 04:35:53,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 04:35:53,873 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,878 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 04:35:53,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 04:35:53,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 04:35:53,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 04:35:53,895 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,895 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,895 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,896 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,897 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,898 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,899 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 04:35:53" (1/1) ... [2021-03-11 04:35:53,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 04:35:53,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 04:35:53,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 04:35:53,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 04:35:53,901 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 04:35:53" (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 04:35:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 04:35:53,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 04:35:54,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 04:35:54,054 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 04:35:54,057 INFO L202 PluginConnector]: Adding new model LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 04:35:54 BoogieIcfgContainer [2021-03-11 04:35:54,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 04:35:54,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 04:35:54,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 04:35:54,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 04:35:54,062 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 04:35:53" (1/2) ... [2021-03-11 04:35:54,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229a069e and model type LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 04:35:54, skipping insertion in model container [2021-03-11 04:35:54,063 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 04:35:54" (2/2) ... [2021-03-11 04:35:54,065 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_Y_to_V.bpl [2021-03-11 04:35:54,073 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 04:35:54,076 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-11 04:35:54,091 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2021-03-11 04:35:54,125 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 04:35:54,125 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 04:35:54,125 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 04:35:54,125 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 04:35:54,125 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 04:35:54,126 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 04:35:54,126 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 04:35:54,126 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 04:35:54,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 5 places, 5 transitions, 10 flow [2021-03-11 04:35:54,150 INFO L129 PetriNetUnfolder]: 1/5 cut-off events. [2021-03-11 04:35:54,150 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 04:35:54,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6 conditions, 5 events. 1/5 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 0/4 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-11 04:35:54,162 INFO L82 GeneralOperation]: Start removeDead. Operand has 5 places, 5 transitions, 10 flow [2021-03-11 04:35:54,164 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-03-11 04:35:54,165 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 04:35:54,165 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 04:35:54,168 INFO L202 PluginConnector]: Adding new model LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 04:35:54 BoogieIcfgContainer [2021-03-11 04:35:54,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 04:35:54,170 INFO L168 Benchmark]: Toolchain (without parser) took 313.99 ms. Allocated memory is still 325.1 MB. Free memory was 305.1 MB in the beginning and 288.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-11 04:35:54,171 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 325.1 MB. Free memory was 306.0 MB in the beginning and 305.9 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 04:35:54,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.57 ms. Allocated memory is still 325.1 MB. Free memory was 304.6 MB in the beginning and 303.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 04:35:54,172 INFO L168 Benchmark]: Boogie Preprocessor took 14.94 ms. Allocated memory is still 325.1 MB. Free memory was 303.1 MB in the beginning and 302.2 MB in the end (delta: 830.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 04:35:54,173 INFO L168 Benchmark]: RCFGBuilder took 156.58 ms. Allocated memory is still 325.1 MB. Free memory was 302.2 MB in the beginning and 294.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-11 04:35:54,174 INFO L168 Benchmark]: TraceAbstraction took 109.03 ms. Allocated memory is still 325.1 MB. Free memory was 293.9 MB in the beginning and 288.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 04:35:54,177 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 0.10 ms. Allocated memory is still 325.1 MB. Free memory was 306.0 MB in the beginning and 305.9 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.57 ms. Allocated memory is still 325.1 MB. Free memory was 304.6 MB in the beginning and 303.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.94 ms. Allocated memory is still 325.1 MB. Free memory was 303.1 MB in the beginning and 302.2 MB in the end (delta: 830.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 156.58 ms. Allocated memory is still 325.1 MB. Free memory was 302.2 MB in the beginning and 294.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 109.03 ms. Allocated memory is still 325.1 MB. Free memory was 293.9 MB in the beginning and 288.4 MB in the end (delta: 5.6 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. EmptinessCheckTime: 0.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 46.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 37.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...