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/DraegerElevator-FSEN2007.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:00:54,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:00:54,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:00:54,834 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:00:54,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:00:54,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:00:54,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:00:54,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:00:54,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:00:54,842 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:00:54,843 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:00:54,843 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:00:54,844 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:00:54,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:00:54,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:00:54,847 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:00:54,848 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:00:54,854 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:00:54,856 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:00:54,857 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:00:54,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:00:54,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:00:54,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:00:54,870 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:00:54,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:00:54,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:00:54,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:00:54,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:00:54,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:00:54,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:00:54,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:00:54,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:00:54,881 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:00:54,881 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:00:54,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:00:54,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:00:54,885 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:00:54,899 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:00:54,899 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:00:54,901 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:00:54,901 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:00:54,901 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:00:54,901 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:00:54,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:00:54,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:00:54,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:00:54,974 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:00:54,974 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:00:54,975 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl [2018-07-25 09:00:54,975 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl' [2018-07-25 09:00:55,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:00:55,028 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:00:55,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:00:55,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:00:55,029 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:00:55,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,067 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:00:55,068 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:00:55,068 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:00:55,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:00:55,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:00:55,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:00:55,072 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:00:55,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/1) ... [2018-07-25 09:00:55,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:00:55,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:00:55,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:00:55,098 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:00:55,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DraegerElevator-FSEN2007.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 09:00:55,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 09:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 09:00:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 09:00:56,005 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:00:56,006 INFO L202 PluginConnector]: Adding new model DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:00:56 BoogieIcfgContainer [2018-07-25 09:00:56,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:00:56,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:00:56,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:00:56,011 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:00:56,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:00:55" (1/2) ... [2018-07-25 09:00:56,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acefbbe and model type DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:00:56, skipping insertion in model container [2018-07-25 09:00:56,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:00:56" (2/2) ... [2018-07-25 09:00:56,014 INFO L112 eAbstractionObserver]: Analyzing ICFG DraegerElevator-FSEN2007.bpl [2018-07-25 09:00:56,025 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:00:56,035 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:00:56,082 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:00:56,083 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:00:56,083 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:00:56,083 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:00:56,083 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:00:56,084 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:00:56,084 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:00:56,084 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:00:56,084 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:00:56,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 09:00:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 09:00:56,108 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:00:56,109 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 09:00:56,110 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 09:00:56,116 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-07-25 09:00:56,122 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:00:56,178 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:00:56,178 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 09:00:56,182 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:00:56,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:00:56,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 09:00:56,192 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 09:00:56,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:00:56,256 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-25 09:00:56,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:00:56,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 09:00:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:00:56,269 INFO L225 Difference]: With dead ends: 7 [2018-07-25 09:00:56,269 INFO L226 Difference]: Without dead ends: 5 [2018-07-25 09:00:56,273 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 09:00:56,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-25 09:00:56,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-25 09:00:56,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-25 09:00:56,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-25 09:00:56,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 2 [2018-07-25 09:00:56,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:00:56,306 INFO L472 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-25 09:00:56,306 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:00:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-25 09:00:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:00:56,306 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:00:56,307 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:00:56,307 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 09:00:56,307 INFO L82 PathProgramCache]: Analyzing trace with hash 929258, now seen corresponding path program 1 times [2018-07-25 09:00:56,307 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:00,892 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2018-07-25 09:01:04,041 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-07-25 09:01:10,866 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2018-07-25 09:01:20,514 WARN L169 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-25 09:01:38,884 WARN L169 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2018-07-25 09:02:08,299 WARN L169 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 475 [2018-07-25 09:02:57,977 WARN L169 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2018-07-25 09:03:49,360 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2018-07-25 09:03:49,363 ERROR L232 seRefinementStrategy]: Caught known exception: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") [2018-07-25 09:03:49,363 INFO L247 seRefinementStrategy]: Global settings require throwing the exception. [2018-07-25 09:03:49,364 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:249) 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:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) 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:120) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:1106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:945) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:302) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.updateFrames(Pdr.java:599) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:355) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.computePdr(Pdr.java:289) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.(Pdr.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructPdr(TraceCheckConstructor.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) ... 19 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 37 more [2018-07-25 09:03:49,367 INFO L168 Benchmark]: Toolchain (without parser) took 174340.24 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 242.2 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -148.2 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2018-07-25 09:03:49,369 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 09:03:49,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.83 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 09:03:49,370 INFO L168 Benchmark]: Boogie Preprocessor took 25.71 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 09:03:49,371 INFO L168 Benchmark]: RCFGBuilder took 908.51 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2018-07-25 09:03:49,372 INFO L168 Benchmark]: TraceAbstraction took 173359.46 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 242.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -177.8 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. [2018-07-25 09:03:49,376 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 41.83 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 25.71 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 908.51 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 173359.46 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 242.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -177.8 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:249) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DraegerElevator-FSEN2007.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-03-49-392.csv Received shutdown request...