java -Xmx4000000000 -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:14:03,089 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:14:03,091 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:14:03,115 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:14:03,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:14:03,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:14:03,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:14:03,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:14:03,136 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:14:03,143 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:14:03,144 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:14:03,144 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:14:03,145 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:14:03,146 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:14:03,150 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:14:03,157 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:14:03,160 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:14:03,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:14:03,172 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:14:03,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:14:03,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:14:03,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:14:03,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:14:03,190 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:14:03,191 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:14:03,192 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:14:03,193 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:14:03,196 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:14:03,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:14:03,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:14:03,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:14:03,199 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:14:03,200 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:14:03,207 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:14:03,207 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:14:03,208 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:14:03,228 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:14:03,228 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:14:03,228 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:14:03,228 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:14:03,230 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:14:03,230 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:14:03,230 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:14:03,230 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:14:03,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:14:03,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:14:03,231 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:14:03,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:14:03,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:14:03,232 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:14:03,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:14:03,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:14:03,232 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:14:03,234 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:14:03,234 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:14:03,291 INFO ]: Repository-Root is: /tmp [2018-06-18 14:14:03,313 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:14:03,321 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:14:03,323 INFO ]: Initializing SmtParser... [2018-06-18 14:14:03,323 INFO ]: SmtParser initialized [2018-06-18 14:14:03,324 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11.smt2 [2018-06-18 14:14:03,325 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 [2018-06-18 14:14:03,435 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11.smt2 unknown [2018-06-18 14:14:04,146 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11.smt2 [2018-06-18 14:14:04,151 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:14:04,156 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:14:04,156 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:14:04,156 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:14:04,157 INFO ]: ChcToBoogie initialized [2018-06-18 14:14:04,163 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:14:04" (1/1) ... [2018-06-18 14:14:04,360 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04 Unit [2018-06-18 14:14:04,360 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:14:04,361 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:14:04,361 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:14:04,361 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:14:04,387 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (1/1) ... [2018-06-18 14:14:04,387 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (1/1) ... [2018-06-18 14:14:04,410 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (1/1) ... [2018-06-18 14:14:04,410 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (1/1) ... [2018-06-18 14:14:04,432 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (1/1) ... [2018-06-18 14:14:04,434 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (1/1) ... [2018-06-18 14:14:04,439 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (1/1) ... [2018-06-18 14:14:04,446 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:14:04,447 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:14:04,447 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:14:04,447 INFO ]: RCFGBuilder initialized [2018-06-18 14:14:04,449 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (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) [2018-06-18 14:14:04,475 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:14:04,475 INFO ]: Found specification of procedure False [2018-06-18 14:14:04,475 INFO ]: Found implementation of procedure False [2018-06-18 14:14:04,475 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:14:04,475 INFO ]: Found specification of procedure state [2018-06-18 14:14:04,475 INFO ]: Found implementation of procedure state [2018-06-18 14:14:04,476 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:14:04,476 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:14:04,476 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 [2018-06-18 14:14:05,008 INFO ]: Using library mode [2018-06-18 14:14:05,009 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:14:05 BoogieIcfgContainer [2018-06-18 14:14:05,009 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:14:05,010 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:14:05,010 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:14:05,016 INFO ]: TraceAbstraction initialized [2018-06-18 14:14:05,017 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:14:04" (1/3) ... [2018-06-18 14:14:05,017 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649ae47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:14:05, skipping insertion in model container [2018-06-18 14:14:05,018 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:04" (2/3) ... [2018-06-18 14:14:05,018 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649ae47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:14:05, skipping insertion in model container [2018-06-18 14:14:05,018 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:14:05" (3/3) ... [2018-06-18 14:14:05,020 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:14:05,029 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:14:05,040 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:14:05,089 INFO ]: Using default assertion order modulation [2018-06-18 14:14:05,090 INFO ]: Interprodecural is true [2018-06-18 14:14:05,090 INFO ]: Hoare is false [2018-06-18 14:14:05,090 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:14:05,090 INFO ]: Backedges is TWOTRACK [2018-06-18 14:14:05,090 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:14:05,090 INFO ]: Difference is false [2018-06-18 14:14:05,090 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:14:05,090 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:14:05,107 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:14:05,120 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:14:05,121 INFO ]: Found error trace [2018-06-18 14:14:05,122 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:14:05,123 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:14:05,128 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:14:05,130 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:14:05,130 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:14:05,179 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:05,179 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:05,179 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:05,298 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:05,308 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:14:05,554 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:14:05,557 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:14:05,557 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:14:05,560 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:14:05,577 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:14:05,577 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:14:05,580 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:14:05,752 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:14:05,752 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:14:05,753 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:14:05,755 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:14:05,755 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:14:05,774 INFO ]: With dead ends: 13 [2018-06-18 14:14:05,774 INFO ]: Without dead ends: 13 [2018-06-18 14:14:05,776 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:14:05,797 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:14:05,836 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:14:05,838 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:14:05,838 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:14:05,840 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:14:05,840 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:14:05,840 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:14:05,840 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:14:05,840 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:14:05,845 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:14:05,845 INFO ]: Found error trace [2018-06-18 14:14:05,845 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:14:05,845 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:14:05,846 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:14:05,846 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:14:05,846 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:14:05,847 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:05,847 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:05,847 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:06,019 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:06,020 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:14:07,163 WARN ]: Spent 826.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2018-06-18 14:14:07,218 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:14:07,218 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:14:07,218 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:14:07,229 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:07,429 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:07,448 INFO ]: Computing forward predicates... [2018-06-18 14:14:07,973 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:14:09,126 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:14:09,281 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-18 14:14:17,119 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-18 14:14:17,230 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:14:17,286 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-18 14:14:27,710 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-18 14:14:27,749 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:14:28,636 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:14:28,653 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:14:28,668 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:14:28,718 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:14:28,995 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-18 14:14:31,847 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-18 14:14:31,874 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 14:14:31,973 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-18 14:14:40,393 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-18 14:14:40,455 WARN ]: expecting exponential blowup for input size 16 [2018-06-18 14:14:41,344 WARN ]: Simplifying disjunction of 93312 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:15:22,239 INFO ]: Timeout while computing interpolants [2018-06-18 14:15:22,440 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:15:22,440 WARN ]: Verification canceled [2018-06-18 14:15:22,446 WARN ]: Timeout [2018-06-18 14:15:22,446 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:15:22 BoogieIcfgContainer [2018-06-18 14:15:22,446 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:15:22,447 INFO ]: Toolchain (without parser) took 78295.94 ms. Allocated memory was 308.8 MB in the beginning and 438.8 MB in the end (delta: 130.0 MB). Free memory was 232.4 MB in the beginning and 149.8 MB in the end (delta: 82.6 MB). Peak memory consumption was 231.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:22,459 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:15:22,467 INFO ]: ChcToBoogie took 204.45 ms. Allocated memory is still 308.8 MB. Free memory was 232.4 MB in the beginning and 225.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:22,468 INFO ]: Boogie Preprocessor took 85.15 ms. Allocated memory is still 308.8 MB. Free memory was 225.4 MB in the beginning and 223.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:22,468 INFO ]: RCFGBuilder took 561.71 ms. Allocated memory was 308.8 MB in the beginning and 329.3 MB in the end (delta: 20.4 MB). Free memory was 223.4 MB in the beginning and 286.7 MB in the end (delta: -63.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:22,469 INFO ]: TraceAbstraction took 77436.20 ms. Allocated memory was 329.3 MB in the beginning and 438.8 MB in the end (delta: 109.6 MB). Free memory was 286.7 MB in the beginning and 149.8 MB in the end (delta: 136.9 MB). Peak memory consumption was 265.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:22,481 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 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 204.45 ms. Allocated memory is still 308.8 MB. Free memory was 232.4 MB in the beginning and 225.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 85.15 ms. Allocated memory is still 308.8 MB. Free memory was 225.4 MB in the beginning and 223.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 561.71 ms. Allocated memory was 308.8 MB in the beginning and 329.3 MB in the end (delta: 20.4 MB). Free memory was 223.4 MB in the beginning and 286.7 MB in the end (delta: -63.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 77436.20 ms. Allocated memory was 329.3 MB in the beginning and 438.8 MB in the end (delta: 109.6 MB). Free memory was 286.7 MB in the beginning and 149.8 MB in the end (delta: 136.9 MB). Peak memory consumption was 265.3 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 93312 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 77.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-15-22-494.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-15-22-494.csv Completed graceful shutdown