java -Xss1g -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp18-benchmarks/lra/chc-lra-0041.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4413abc-m [2018-06-20 14:06:49,811 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-20 14:06:49,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-20 14:06:49,826 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-20 14:06:49,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-20 14:06:49,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-20 14:06:49,831 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-20 14:06:49,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-20 14:06:49,835 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-20 14:06:49,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-20 14:06:49,837 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-20 14:06:49,838 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-20 14:06:49,838 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-20 14:06:49,839 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-20 14:06:49,840 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-20 14:06:49,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-20 14:06:49,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-20 14:06:49,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-20 14:06:49,855 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-20 14:06:49,856 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-20 14:06:49,857 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-20 14:06:49,862 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-20 14:06:49,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-20 14:06:49,863 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-20 14:06:49,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-20 14:06:49,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-20 14:06:49,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-20 14:06:49,866 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-20 14:06:49,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-20 14:06:49,867 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-20 14:06:49,868 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-20 14:06:49,868 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-20 14:06:49,868 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-20 14:06:49,869 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-20 14:06:49,870 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-20 14:06:49,874 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-20 14:06:49,893 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-20 14:06:49,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-20 14:06:49,894 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-20 14:06:49,894 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-20 14:06:49,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-20 14:06:49,896 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-20 14:06:49,896 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-20 14:06:49,897 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-20 14:06:49,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-20 14:06:49,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-20 14:06:49,897 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-20 14:06:49,897 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-20 14:06:49,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-20 14:06:49,898 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-20 14:06:49,898 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-20 14:06:49,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-20 14:06:49,898 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-20 14:06:49,900 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-20 14:06:49,901 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-20 14:06:49,942 INFO ]: Repository-Root is: /tmp [2018-06-20 14:06:49,959 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-20 14:06:49,964 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-20 14:06:49,965 INFO ]: Initializing SmtParser... [2018-06-20 14:06:49,966 INFO ]: SmtParser initialized [2018-06-20 14:06:49,966 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp18-benchmarks/lra/chc-lra-0041.smt2 [2018-06-20 14:06:49,968 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/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 [2018-06-20 14:06:50,055 INFO ]: Executing SMT file /storage/chc-comp18-benchmarks/lra/chc-lra-0041.smt2 unknown [2018-06-20 14:06:50,569 INFO ]: Succesfully executed SMT file /storage/chc-comp18-benchmarks/lra/chc-lra-0041.smt2 [2018-06-20 14:06:50,574 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-20 14:06:50,591 INFO ]: Walking toolchain with 4 elements. [2018-06-20 14:06:50,591 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-20 14:06:50,591 INFO ]: Initializing ChcToBoogie... [2018-06-20 14:06:50,597 INFO ]: ChcToBoogie initialized [2018-06-20 14:06:50,600 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 20.06 02:06:50" (1/1) ... [2018-06-20 14:06:50,780 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50 Unit [2018-06-20 14:06:50,780 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-20 14:06:50,781 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-20 14:06:50,781 INFO ]: Initializing Boogie Preprocessor... [2018-06-20 14:06:50,781 INFO ]: Boogie Preprocessor initialized [2018-06-20 14:06:50,802 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (1/1) ... [2018-06-20 14:06:50,803 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (1/1) ... [2018-06-20 14:06:50,825 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (1/1) ... [2018-06-20 14:06:50,826 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (1/1) ... [2018-06-20 14:06:50,856 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (1/1) ... [2018-06-20 14:06:50,867 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (1/1) ... [2018-06-20 14:06:50,871 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (1/1) ... [2018-06-20 14:06:50,885 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-20 14:06:50,885 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-20 14:06:50,885 INFO ]: Initializing RCFGBuilder... [2018-06-20 14:06:50,885 INFO ]: RCFGBuilder initialized [2018-06-20 14:06:50,886 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-20 14:06:50,904 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-20 14:06:50,904 INFO ]: Found specification of procedure gotoProc [2018-06-20 14:06:50,904 INFO ]: Found implementation of procedure gotoProc [2018-06-20 14:06:50,904 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-20 14:06:50,904 INFO ]: Found specification of procedure Ultimate.START [2018-06-20 14:06:50,904 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-20 14:06:51,525 INFO ]: Using library mode [2018-06-20 14:06:51,525 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 02:06:51 BoogieIcfgContainer [2018-06-20 14:06:51,525 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-20 14:06:51,528 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-20 14:06:51,528 INFO ]: Initializing TraceAbstraction... [2018-06-20 14:06:51,531 INFO ]: TraceAbstraction initialized [2018-06-20 14:06:51,531 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 20.06 02:06:50" (1/3) ... [2018-06-20 14:06:51,532 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38277330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 20.06 02:06:51, skipping insertion in model container [2018-06-20 14:06:51,532 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 02:06:50" (2/3) ... [2018-06-20 14:06:51,532 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38277330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 02:06:51, skipping insertion in model container [2018-06-20 14:06:51,532 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 02:06:51" (3/3) ... [2018-06-20 14:06:51,535 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-20 14:06:51,544 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-20 14:06:51,551 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-20 14:06:51,602 INFO ]: Using default assertion order modulation [2018-06-20 14:06:51,603 INFO ]: Interprodecural is true [2018-06-20 14:06:51,603 INFO ]: Hoare is false [2018-06-20 14:06:51,603 INFO ]: Compute interpolants for FPandBP [2018-06-20 14:06:51,603 INFO ]: Backedges is TWOTRACK [2018-06-20 14:06:51,603 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-20 14:06:51,603 INFO ]: Difference is false [2018-06-20 14:06:51,603 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-20 14:06:51,603 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-20 14:06:51,632 INFO ]: Start isEmpty. Operand 10 states. [2018-06-20 14:06:51,648 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-20 14:06:51,648 INFO ]: Found error trace [2018-06-20 14:06:51,649 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-20 14:06:51,649 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-20 14:06:51,655 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-20 14:06:51,657 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-20 14:06:51,657 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-20 14:06:51,704 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-20 14:06:51,704 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-20 14:06:51,705 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-20 14:06:51,844 INFO ]: Conjunction of SSA is unsat [2018-06-20 14:06:52,081 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-20 14:06:52,083 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-20 14:06:52,083 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-20 14:06:52,084 INFO ]: Interpolant automaton has 3 states [2018-06-20 14:06:52,095 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-20 14:06:52,095 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-20 14:06:52,097 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-20 14:06:52,210 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-20 14:06:52,211 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-20 14:06:52,213 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-20 14:06:52,214 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-20 14:06:52,215 INFO ]: Finished accepts. some prefix is accepted. [2018-06-20 14:06:52,224 INFO ]: With dead ends: 9 [2018-06-20 14:06:52,225 INFO ]: Without dead ends: 9 [2018-06-20 14:06:52,230 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-20 14:06:52,243 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-20 14:06:52,262 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-20 14:06:52,263 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-20 14:06:52,264 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-20 14:06:52,265 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-20 14:06:52,265 INFO ]: Finished accepts. word is rejected. [2018-06-20 14:06:52,265 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-20 14:06:52,265 INFO ]: Interpolant automaton has 3 states. [2018-06-20 14:06:52,265 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-20 14:06:52,266 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-20 14:06:52,266 INFO ]: Found error trace [2018-06-20 14:06:52,266 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-20 14:06:52,266 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-20 14:06:52,267 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-20 14:06:52,267 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-20 14:06:52,267 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-20 14:06:52,268 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-20 14:06:52,268 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-20 14:06:52,268 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-20 14:07:22,245 INFO ]: Conjunction of SSA is unsat Received shutdown request... [2018-06-20 14:07:51,964 FATAL]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:235) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$0(Interpolator.java:233) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:130) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:210) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:180) 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.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:228) 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:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-20 14:07:51,967 INFO ]: Toolchain (without parser) took 61392.76 ms. Allocated memory was 307.2 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 241.7 MB in the beginning and 353.1 MB in the end (delta: -111.5 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-06-20 14:07:51,969 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2018-06-20 14:07:51,969 INFO ]: ChcToBoogie took 189.51 ms. Allocated memory is still 307.2 MB. Free memory was 241.7 MB in the beginning and 229.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2018-06-20 14:07:51,971 INFO ]: Boogie Preprocessor took 103.99 ms. Allocated memory is still 307.2 MB. Free memory was 229.7 MB in the beginning and 227.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2018-06-20 14:07:51,972 INFO ]: RCFGBuilder took 639.98 ms. Allocated memory was 307.2 MB in the beginning and 325.1 MB in the end (delta: 17.8 MB). Free memory was 227.7 MB in the beginning and 290.6 MB in the end (delta: -62.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. [2018-06-20 14:07:51,972 INFO ]: TraceAbstraction took 60438.77 ms. Allocated memory was 325.1 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 290.6 MB in the beginning and 353.1 MB in the end (delta: -62.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-06-20 14:07:51,975 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * ChcToBoogie took 189.51 ms. Allocated memory is still 307.2 MB. Free memory was 241.7 MB in the beginning and 229.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.99 ms. Allocated memory is still 307.2 MB. Free memory was 229.7 MB in the beginning and 227.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 639.98 ms. Allocated memory was 307.2 MB in the beginning and 325.1 MB in the end (delta: 17.8 MB). Free memory was 227.7 MB in the beginning and 290.6 MB in the end (delta: -62.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60438.77 ms. Allocated memory was 325.1 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 290.6 MB in the beginning and 353.1 MB in the end (delta: -62.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/chc-lra-0041.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-20_14-07-51-985.csv Completed graceful shutdown