java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:00:54,943 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:00:54,946 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:00:54,958 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:00:54,958 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:00:54,959 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:00:54,961 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:00:54,962 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:00:54,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:00:54,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:00:54,966 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:00:54,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:00:54,967 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:00:54,968 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:00:54,969 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:00:54,970 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:00:54,971 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:00:54,973 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:00:54,975 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:00:54,977 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:00:54,978 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:00:54,979 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:00:54,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:00:54,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:00:54,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:00:54,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:00:54,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:00:54,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:00:54,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:00:54,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:00:54,987 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:00:54,987 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:00:54,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:00:54,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:00:54,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:00:54,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:00:54,991 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:00:54,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:00:54,999 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:00:55,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:00:55,000 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:00:55,000 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:00:55,001 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:00:55,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:00:55,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:00:55,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:00:55,066 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:00:55,066 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:00:55,067 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl [2018-07-25 09:00:55,068 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl' [2018-07-25 09:00:55,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:00:55,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:00:55,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:00:55,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:00:55,125 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:00:55,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,163 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:00:55,163 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:00:55,164 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:00:55,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:00:55,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:00:55,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:00:55,167 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:00:55,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:00:55,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:00:55,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:00:55,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:00:55,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 09:00:55,279 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-07-25 09:00:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-07-25 09:00:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-07-25 09:00:55,790 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:00:55,791 INFO L202 PluginConnector]: Adding new model RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:00:55 BoogieIcfgContainer [2018-07-25 09:00:55,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:00:55,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:00:55,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:00:55,796 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:00:55,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/2) ... [2018-07-25 09:00:55,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342869cb and model type RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:00:55, skipping insertion in model container [2018-07-25 09:00:55,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:00:55" (2/2) ... [2018-07-25 09:00:55,800 INFO L112 eAbstractionObserver]: Analyzing ICFG RailwayCrossing-Incorrenct.bpl [2018-07-25 09:00:55,810 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:00:55,819 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:00:55,868 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:00:55,869 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:00:55,869 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:00:55,870 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:00:55,870 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:00:55,870 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:00:55,870 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:00:55,871 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:00:55,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:00:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 09:00:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 09:00:55,908 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:00:55,909 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 09:00:55,910 INFO L415 AbstractCegarLoop]: === Iteration 1 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:00:55,916 INFO L82 PathProgramCache]: Analyzing trace with hash 30496, now seen corresponding path program 1 times [2018-07-25 09:00:55,924 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:00:56,165 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:00:56,165 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:00:56,171 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 09:00:56,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 09:00:56,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 09:00:56,180 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-07-25 09:00:56,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:00:56,251 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-25 09:00:56,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 09:00:56,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-25 09:00:56,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:00:56,264 INFO L225 Difference]: With dead ends: 8 [2018-07-25 09:00:56,265 INFO L226 Difference]: Without dead ends: 5 [2018-07-25 09:00:56,268 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 09:00:56,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-25 09:00:56,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-25 09:00:56,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-25 09:00:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-25 09:00:56,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-25 09:00:56,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:00:56,300 INFO L472 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-25 09:00:56,300 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 09:00:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-25 09:00:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:00:56,301 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:00:56,301 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:00:56,302 INFO L415 AbstractCegarLoop]: === Iteration 2 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:00:56,302 INFO L82 PathProgramCache]: Analyzing trace with hash 955939, now seen corresponding path program 1 times [2018-07-25 09:00:56,302 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:00:56,912 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-07-25 09:00:57,463 INFO L420 BasicCegarLoop]: Counterexample might be feasible [2018-07-25 09:00:57,471 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-25 09:00:57,471 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-25 09:00:57,471 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-25 09:00:57,471 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-25 09:00:57,480 INFO L202 PluginConnector]: Adding new model RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:00:57 BoogieIcfgContainer [2018-07-25 09:00:57,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:00:57,484 INFO L168 Benchmark]: Toolchain (without parser) took 2360.43 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-07-25 09:00:57,485 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-07-25 09:00:57,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.60 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. [2018-07-25 09:00:57,487 INFO L168 Benchmark]: Boogie Preprocessor took 23.93 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. [2018-07-25 09:00:57,488 INFO L168 Benchmark]: RCFGBuilder took 597.68 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. [2018-07-25 09:00:57,489 INFO L168 Benchmark]: TraceAbstraction took 1690.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-07-25 09:00:57,493 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 0.19 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 Procedure Inliner took 41.60 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 23.93 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 597.68 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. * TraceAbstraction took 1690.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: assertion can be violated assertion can be violated We found a FailurePath: [L16] gate := 0; [L17] time := 0; [L19] one := 1; [L20] hundred := 100 * one; [L21] thousand := 1000 * one; [L22] alarmTrain := false; [L25] COND TRUE time < thousand [L27] COND TRUE gateMotorFailure [L28] alarmTrain := true; [L34] havoc increment; [L35] assume increment < 1000; [L36] time := time + increment; [L25] COND FALSE !(time < thousand) [L39] assert alarmTrain || gate == hundred; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 1.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 7 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.3s PdrRuntime, 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/RailwayCrossing-Incorrenct.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-00-57-505.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/RailwayCrossing-Incorrenct.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-00-57-505.csv Received shutdown request...