java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/real-life/ElevatorWithSingleTransition.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:36:26,220 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:36:26,222 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:36:26,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:36:26,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:36:26,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:36:26,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:36:26,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:36:26,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:36:26,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:36:26,245 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:36:26,246 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:36:26,247 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:36:26,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:36:26,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:36:26,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:36:26,253 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:36:26,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:36:26,265 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:36:26,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:36:26,270 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:36:26,271 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:36:26,275 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:36:26,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:36:26,278 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:36:26,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:36:26,279 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:36:26,280 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:36:26,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:36:26,282 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:36:26,282 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:36:26,283 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:36:26,285 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:36:26,305 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:36:26,305 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:36:26,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:36:26,307 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:36:26,307 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:36:26,307 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:36:26,307 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:36:26,307 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:36:26,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:36:26,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:36:26,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:36:26,382 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:36:26,382 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:36:26,383 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithSingleTransition.bpl [2018-07-23 13:36:26,383 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithSingleTransition.bpl' [2018-07-23 13:36:26,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:36:26,447 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:36:26,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:36:26,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:36:26,448 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:36:26,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:36:26,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:36:26,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:36:26,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:36:26,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure elevator given in one single declaration [2018-07-23 13:36:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure elevator [2018-07-23 13:36:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure elevator [2018-07-23 13:36:26,832 INFO L258 CfgBuilder]: Using library mode [2018-07-23 13:36:26,833 INFO L202 PluginConnector]: Adding new model ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:36:26 BoogieIcfgContainer [2018-07-23 13:36:26,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:36:26,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:36:26,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:36:26,841 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:36:26,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/2) ... [2018-07-23 13:36:26,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a88b676 and model type ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:36:26, skipping insertion in model container [2018-07-23 13:36:26,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:36:26" (2/2) ... [2018-07-23 13:36:26,846 INFO L112 eAbstractionObserver]: Analyzing ICFG ElevatorWithSingleTransition.bpl [2018-07-23 13:36:26,857 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:36:26,865 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:36:26,921 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:36:26,922 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:36:26,922 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:36:26,923 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:36:26,923 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:36:26,923 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:36:26,923 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:36:26,923 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:36:26,924 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:36:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 13:36:26,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:36:26,951 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:36:26,952 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:36:26,953 INFO L414 AbstractCegarLoop]: === Iteration 1 === [elevatorErr0AssertViolationASSERT]=== [2018-07-23 13:36:26,959 INFO L82 PathProgramCache]: Analyzing trace with hash 29920, now seen corresponding path program 1 times [2018-07-23 13:36:26,966 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:36:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-23 13:36:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-23 13:36:27,081 INFO L423 BasicCegarLoop]: Counterexample might be feasible [2018-07-23 13:36:27,122 INFO L202 PluginConnector]: Adding new model ElevatorWithSingleTransition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:36:27 BoogieIcfgContainer [2018-07-23 13:36:27,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:36:27,124 INFO L168 Benchmark]: Toolchain (without parser) took 677.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 13:36:27,128 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:36:27,129 INFO L168 Benchmark]: Boogie Preprocessor took 66.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:36:27,130 INFO L168 Benchmark]: RCFGBuilder took 319.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:36:27,131 INFO L168 Benchmark]: TraceAbstraction took 288.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:36:27,136 INFO L336 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 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 319.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 288.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 119]: assertion can be violated assertion can be violated We found a FailurePath: [L94] assume inc > 0.0; [L95-L98] assume csppc == 0 && (goal == Min && current == Min && dir == Min) && (dc1pc == 0 && c2 == inc) && dc2pc == 0 && c3 == inc && current == goal; VAL [c2=3.0, c3=3.0, csppc=0, current=1, dc1pc=0, dc2pc=0, dir=1, goal=1, inc=3.0] [L100] COND TRUE true [L101] havoc inc; [L102] havoc csppc_p, dc1pc_p, dc2pc_p; [L103] havoc current_p, goal_p, dir_p; [L104] havoc c2_p, c3_p; [L105] havoc start, stop, passed, newgoal; [L106] assume inc > 0.0; [L108-L113] assume ((csppc == csppc_p && !newgoal && !start && !stop && !passed) || (csppc == 0 && csppc_p == 1 && newgoal && !start && !stop && !passed) || (csppc == 1 && csppc_p == 2 && !newgoal && start && !stop && !passed) || (csppc == 2 && csppc_p == 2 && !newgoal && !start && !stop && passed) || (csppc == 2 && csppc_p == 0 && !newgoal && !start && stop && !passed)) && ((goal == goal_p && current == current_p && dir == dir_p && !newgoal && !start && !stop && !passed) || (Min <= goal_p && goal_p <= Max && goal_p != current && current == current_p && dir == dir_p && newgoal && !start && !stop && !passed) || (goal == goal_p && current == current_p && (goal > current ==> dir_p == 1) && (goal < current ==> dir_p == -1) && !newgoal && start && !stop && !passed) || (goal == current && goal == goal_p && current == current_p && dir == dir_p && !newgoal && !start && stop && !passed) || (goal == goal_p && current == current_p + dir && dir == dir_p && !newgoal && !start && !stop && passed)) && ((dc1pc == 0 && dc1pc_p == 0 && c2_p == c2 + inc && !passed) || (dc1pc == 1 && dc1pc_p == 1 && c2_p <= 3.0 && c2_p == c2 + inc && !passed) || (dc1pc == 0 && dc1pc_p == 1 && c2_p == inc && passed && c2_p <= 3.0) || (dc1pc == 1 && dc1pc_p == 0 && c2_p == c2 + inc && c2 >= 3.0 && !passed)) && ((dc2pc == 0 && dc2pc_p == 0 && c3_p == c3 + inc && current_p == goal_p) || (dc2pc == 0 && dc2pc_p == 1 && c3_p == c3 + inc && current_p != goal_p) || (dc2pc == 1 && dc2pc_p == 1 && c3_p == c3 + inc && current_p != goal_p) || (dc2pc == 1 && dc2pc_p == 2 && c3_p == inc && current_p == goal_p && c3 < 2.0) || (dc2pc == 2 && dc2pc_p == 1 && c3_p == c3 + inc && current_p != goal_p) || (dc2pc == 2 && dc2pc_p == 2 && c3_p == c3 + inc && current_p == goal_p && c3 < 2.0 && !stop) || (dc2pc == 2 && dc2pc_p == 0 && c3_p == c3 + inc && current_p == goal_p && stop)); [L115] csppc, dc1pc, dc2pc := csppc_p, dc1pc_p, dc2pc_p; [L116] current, goal, dir := current_p, goal_p, dir_p; [L117] c2, c3 := c2_p, c2_p; VAL [c2=4.0, c2_p=4.0, c3=4.0, c3_p=4.0, csppc=0, csppc_p=0, current=1, current_p=1, dc1pc=0, dc1pc_p=0, dc2pc=0, dc2pc_p=0, dir=1, dir_p=1, goal=1, goal_p=1, inc=1.0, newgoal=false, passed=false, start=false, stop=false] [L119] assert Min <= current && current <= Max; VAL [c2=4.0, c2_p=4.0, c3=4.0, c3_p=4.0, csppc=0, csppc_p=0, current=1, current_p=1, dc1pc=0, dc1pc_p=0, dc2pc=0, dc2pc_p=0, dir=1, dir_p=1, goal=1, goal_p=1, inc=1.0, newgoal=false, passed=false, start=false, stop=false] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ElevatorWithSingleTransition.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-36-27-152.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ElevatorWithSingleTransition.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-36-27-152.csv Received shutdown request...