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/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 14:01:15,731 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 14:01:15,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 14:01:15,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 14:01:15,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 14:01:15,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 14:01:15,752 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 14:01:15,753 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 14:01:15,755 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 14:01:15,756 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 14:01:15,757 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 14:01:15,757 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 14:01:15,758 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 14:01:15,759 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 14:01:15,760 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 14:01:15,761 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 14:01:15,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 14:01:15,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 14:01:15,766 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 14:01:15,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 14:01:15,769 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 14:01:15,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 14:01:15,773 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 14:01:15,773 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 14:01:15,774 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 14:01:15,775 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 14:01:15,776 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 14:01:15,777 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 14:01:15,778 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 14:01:15,779 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 14:01:15,779 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 14:01:15,780 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 14:01:15,780 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 14:01:15,780 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 14:01:15,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 14:01:15,782 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 14:01:15,783 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 14:01:15,794 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 14:01:15,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 14:01:15,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 14:01:15,796 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 14:01:15,796 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 14:01:15,796 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 14:01:15,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 14:01:15,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 14:01:15,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 14:01:15,875 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 14:01:15,875 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 14:01:15,876 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-07-23 14:01:15,876 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-07-23 14:01:15,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 14:01:15,933 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 14:01:15,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 14:01:15,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 14:01:15,934 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 14:01:15,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (1/1) ... [2018-07-23 14:01:15,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (1/1) ... [2018-07-23 14:01:15,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (1/1) ... [2018-07-23 14:01:15,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (1/1) ... [2018-07-23 14:01:15,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (1/1) ... [2018-07-23 14:01:15,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (1/1) ... [2018-07-23 14:01:15,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (1/1) ... [2018-07-23 14:01:15,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 14:01:15,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 14:01:15,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 14:01:15,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 14:01:15,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (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 14:01:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 14:01:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 14:01:16,383 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 14:01:16,384 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:01:16 BoogieIcfgContainer [2018-07-23 14:01:16,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 14:01:16,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 14:01:16,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 14:01:16,392 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 14:01:16,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 02:01:15" (1/2) ... [2018-07-23 14:01:16,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0e44cb and model type nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:01:16, skipping insertion in model container [2018-07-23 14:01:16,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:01:16" (2/2) ... [2018-07-23 14:01:16,397 INFO L112 eAbstractionObserver]: Analyzing ICFG nested1.i_4.bpl [2018-07-23 14:01:16,407 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 14:01:16,419 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 14:01:16,464 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 14:01:16,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 14:01:16,465 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 14:01:16,465 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 14:01:16,465 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 14:01:16,465 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 14:01:16,466 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 14:01:16,466 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 14:01:16,466 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 14:01:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-07-23 14:01:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 14:01:16,490 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 14:01:16,491 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 14:01:16,492 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 14:01:16,498 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 14:01:16,506 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 14:01:16,574 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:268) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:262) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.getInterpolants(WrapperScript.java:268) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.interpolateBinary(SmtUtils.java:1827) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.getInterpolant(Pdr.java:507) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:374) 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:410) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-23 14:01:16,578 INFO L168 Benchmark]: Toolchain (without parser) took 645.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 14:01:16,580 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 14:01:16,581 INFO L168 Benchmark]: Boogie Preprocessor took 49.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 14:01:16,582 INFO L168 Benchmark]: RCFGBuilder took 401.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 14:01:16,584 INFO L168 Benchmark]: TraceAbstraction took 190.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 14:01:16,589 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 49.52 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 401.14 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 190.87 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:268) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_14-01-16-609.csv Received shutdown request...