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-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:59:29,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:59:29,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:59:29,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:59:29,299 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:59:29,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:59:29,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:59:29,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:59:29,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:59:29,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:59:29,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:59:29,319 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:59:29,320 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:59:29,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:59:29,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:59:29,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:59:29,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:59:29,330 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:59:29,335 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:59:29,336 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:59:29,337 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:59:29,339 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:59:29,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:59:29,341 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:59:29,341 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:59:29,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:59:29,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:59:29,344 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:59:29,346 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:59:29,348 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:59:29,348 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:59:29,349 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:59:29,349 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:59:29,351 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:59:29,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:59:29,354 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:59:29,354 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 15:59:29,367 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:59:29,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:59:29,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:59:29,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:59:29,370 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:59:29,371 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:59:29,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:59:29,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:59:29,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:59:29,467 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:59:29,467 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:59:29,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-07-23 15:59:29,468 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-07-23 15:59:29,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:59:29,546 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:59:29,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:59:29,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:59:29,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:59:29,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (1/1) ... [2018-07-23 15:59:29,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (1/1) ... [2018-07-23 15:59:29,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (1/1) ... [2018-07-23 15:59:29,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (1/1) ... [2018-07-23 15:59:29,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (1/1) ... [2018-07-23 15:59:29,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (1/1) ... [2018-07-23 15:59:29,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (1/1) ... [2018-07-23 15:59:29,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:59:29,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:59:29,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:59:29,608 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:59:29,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (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 [2018-07-23 15:59:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:59:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:59:29,979 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:59:29,980 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:59:29 BoogieIcfgContainer [2018-07-23 15:59:29,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:59:29,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:59:29,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:59:29,994 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:59:29,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:59:29" (1/2) ... [2018-07-23 15:59:29,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bddefb4 and model type linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:59:29, skipping insertion in model container [2018-07-23 15:59:29,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:59:29" (2/2) ... [2018-07-23 15:59:30,009 INFO L112 eAbstractionObserver]: Analyzing ICFG linear_sea.ch.i_4.bpl [2018-07-23 15:59:30,024 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:59:30,034 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:59:30,118 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:59:30,121 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:59:30,122 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:59:30,122 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:59:30,122 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:59:30,123 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:59:30,124 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:59:30,124 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:59:30,124 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:59:30,154 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:59:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:59:30,166 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:59:30,167 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:59:30,167 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:59:30,172 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 15:59:30,179 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:59:30,542 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:59:30,543 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:59:30,546 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:59:30,552 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:59:30,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 15:59:30,554 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 15:59:30,753 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-07-23 15:59:30,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:59:30,874 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:59:30,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:59:30,876 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 15:59:30,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:59:30,889 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:59:30,889 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:59:30,893 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-23 15:59:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:59:30,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:59:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:59:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:59:30,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:59:30,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:59:30,934 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:59:30,934 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:59:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:59:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:59:30,935 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:59:30,935 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:59:30,935 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:59:30,936 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 15:59:30,936 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:59:32,664 WARN L169 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-07-23 15:59:33,363 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-07-23 15:59:34,156 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-07-23 15:59:35,025 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-07-23 15:59:35,542 WARN L169 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-07-23 15:59:36,678 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-07-23 15:59:37,951 WARN L169 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-07-23 15:59:46,004 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-23 15:59:46,650 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-07-23 15:59:47,553 WARN L169 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-07-23 15:59:53,565 WARN L169 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-23 15:59:58,398 WARN L169 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-07-23 16:00:11,264 WARN L169 SmtUtils]: Spent 12.38 s on a formula simplification that was a NOOP. DAG size: 195 [2018-07-23 16:00:23,429 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: what to do with the great unknown? at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:388) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.computePdr(Pdr.java:274) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.(Pdr.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructPdr(TraceCheckConstructor.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:406) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:425) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-23 16:00:23,433 INFO L168 Benchmark]: Toolchain (without parser) took 53887.61 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.0 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 315.1 MB). Peak memory consumption was 336.0 MB. Max. memory is 7.1 GB. [2018-07-23 16:00:23,434 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 16:00:23,435 INFO L168 Benchmark]: Boogie Preprocessor took 60.49 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 16:00:23,436 INFO L168 Benchmark]: RCFGBuilder took 375.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:00:23,437 INFO L168 Benchmark]: TraceAbstraction took 53446.89 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.0 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 293.9 MB). Peak memory consumption was 314.9 MB. Max. memory is 7.1 GB. [2018-07-23 16:00:23,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.27 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 60.49 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 375.44 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53446.89 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.0 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 293.9 MB). Peak memory consumption was 314.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: what to do with the great unknown? de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: what to do with the great unknown?: de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:388) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/linear_sea.ch.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-00-23-462.csv Received shutdown request...