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_e2_1678_e1_3565.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:11:57,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:11:57,298 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:11:57,313 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:11:57,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:11:57,314 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:11:57,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:11:57,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:11:57,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:11:57,328 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:11:57,329 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:11:57,329 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:11:57,330 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:11:57,334 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:11:57,334 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:11:57,335 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:11:57,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:11:57,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:11:57,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:11:57,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:11:57,354 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:11:57,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:11:57,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:11:57,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:11:57,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:11:57,362 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:11:57,362 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:11:57,363 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:11:57,368 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:11:57,368 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:11:57,369 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:11:57,370 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:11:57,370 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:11:57,371 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:11:57,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:11:57,376 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:11:57,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:11:57,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:11:57,399 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:11:57,399 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:11:57,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:11:57,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:11:57,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:11:57,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:11:57,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:11:57,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:11:57,405 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:11:57,405 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:11:57,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:11:57,405 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:11:57,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:11:57,406 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:11:57,406 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:11:57,408 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:11:57,409 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:11:57,457 INFO ]: Repository-Root is: /tmp [2018-06-18 14:11:57,475 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:11:57,482 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:11:57,483 INFO ]: Initializing SmtParser... [2018-06-18 14:11:57,484 INFO ]: SmtParser initialized [2018-06-18 14:11:57,484 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_1678_e1_3565.smt2 [2018-06-18 14:11:57,486 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 14:11:57,584 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_1678_e1_3565.smt2 unknown [2018-06-18 14:11:58,311 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_1678_e1_3565.smt2 [2018-06-18 14:11:58,316 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:11:58,321 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:11:58,322 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:11:58,322 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:11:58,322 INFO ]: ChcToBoogie initialized [2018-06-18 14:11:58,328 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:11:58" (1/1) ... [2018-06-18 14:11:58,471 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58 Unit [2018-06-18 14:11:58,472 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:11:58,475 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:11:58,475 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:11:58,475 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:11:58,497 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (1/1) ... [2018-06-18 14:11:58,497 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (1/1) ... [2018-06-18 14:11:58,523 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (1/1) ... [2018-06-18 14:11:58,523 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (1/1) ... [2018-06-18 14:11:58,543 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (1/1) ... [2018-06-18 14:11:58,544 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (1/1) ... [2018-06-18 14:11:58,548 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (1/1) ... [2018-06-18 14:11:58,553 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:11:58,554 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:11:58,554 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:11:58,554 INFO ]: RCFGBuilder initialized [2018-06-18 14:11:58,555 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (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 14:11:58,565 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:11:58,566 INFO ]: Found specification of procedure False [2018-06-18 14:11:58,566 INFO ]: Found implementation of procedure False [2018-06-18 14:11:58,566 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:11:58,566 INFO ]: Found specification of procedure state [2018-06-18 14:11:58,566 INFO ]: Found implementation of procedure state [2018-06-18 14:11:58,566 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:11:58,566 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:11:58,566 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 14:11:59,116 INFO ]: Using library mode [2018-06-18 14:11:59,117 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:11:59 BoogieIcfgContainer [2018-06-18 14:11:59,117 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:11:59,120 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:11:59,120 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:11:59,124 INFO ]: TraceAbstraction initialized [2018-06-18 14:11:59,126 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:11:58" (1/3) ... [2018-06-18 14:11:59,127 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 02:11:59, skipping insertion in model container [2018-06-18 14:11:59,127 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:58" (2/3) ... [2018-06-18 14:11:59,127 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 02:11:59, skipping insertion in model container [2018-06-18 14:11:59,127 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:11:59" (3/3) ... [2018-06-18 14:11:59,130 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:11:59,140 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:11:59,151 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:11:59,209 INFO ]: Using default assertion order modulation [2018-06-18 14:11:59,209 INFO ]: Interprodecural is true [2018-06-18 14:11:59,209 INFO ]: Hoare is false [2018-06-18 14:11:59,209 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:11:59,209 INFO ]: Backedges is TWOTRACK [2018-06-18 14:11:59,209 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:11:59,210 INFO ]: Difference is false [2018-06-18 14:11:59,210 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:11:59,210 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:11:59,229 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:11:59,249 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:11:59,249 INFO ]: Found error trace [2018-06-18 14:11:59,250 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:11:59,251 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:11:59,258 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:11:59,260 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:11:59,261 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:11:59,315 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:11:59,315 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:11:59,315 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:11:59,523 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:11:59,534 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:11:59,840 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:11:59,842 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:11:59,842 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:11:59,843 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:11:59,854 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:11:59,855 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:11:59,857 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:12:00,021 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:12:00,021 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:12:00,022 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:12:00,024 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:12:00,024 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:12:00,041 INFO ]: With dead ends: 13 [2018-06-18 14:12:00,041 INFO ]: Without dead ends: 13 [2018-06-18 14:12:00,044 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 14:12:00,063 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:12:00,085 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:12:00,087 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:12:00,087 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:12:00,089 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:12:00,089 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:12:00,089 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:12:00,089 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:12:00,089 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:12:00,090 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:12:00,090 INFO ]: Found error trace [2018-06-18 14:12:00,091 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:12:00,091 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:12:00,091 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:12:00,091 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:12:00,091 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:12:00,092 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:12:00,092 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:12:00,092 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:12:00,216 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:12:00,217 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:12:01,643 WARN ]: Spent 1.08 s on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2018-06-18 14:12:01,809 WARN ]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-06-18 14:12:01,819 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:12:01,819 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:12:01,819 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 14:12:01,828 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:12:02,032 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:12:02,049 INFO ]: Computing forward predicates... [2018-06-18 14:12:02,584 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:12:03,588 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:12:03,777 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-18 14:12:07,941 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-18 14:12:07,983 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:12:08,051 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-18 14:12:17,093 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-18 14:12:17,119 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:12:17,979 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:12:17,988 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:12:17,997 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:12:18,027 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:12:18,271 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-18 14:12:20,685 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-18 14:12:20,740 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 14:12:20,877 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-18 14:12:33,705 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-18 14:12:33,806 WARN ]: expecting exponential blowup for input size 16 [2018-06-18 14:12:34,609 WARN ]: Simplifying disjunction of 93312 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:13:17,014 INFO ]: Timeout while computing interpolants [2018-06-18 14:13:17,244 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:13:17,244 WARN ]: Verification canceled [2018-06-18 14:13:17,249 WARN ]: Timeout [2018-06-18 14:13:17,250 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:13:17 BoogieIcfgContainer [2018-06-18 14:13:17,250 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:13:17,251 INFO ]: Toolchain (without parser) took 78934.35 ms. Allocated memory was 310.9 MB in the beginning and 623.9 MB in the end (delta: 313.0 MB). Free memory was 234.3 MB in the beginning and 464.5 MB in the end (delta: -230.2 MB). Peak memory consumption was 270.8 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:17,252 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 310.9 MB. Free memory is still 276.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:13:17,252 INFO ]: ChcToBoogie took 152.91 ms. Allocated memory is still 310.9 MB. Free memory was 234.3 MB in the beginning and 227.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:17,252 INFO ]: Boogie Preprocessor took 78.50 ms. Allocated memory is still 310.9 MB. Free memory was 227.3 MB in the beginning and 225.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:17,257 INFO ]: RCFGBuilder took 563.30 ms. Allocated memory was 310.9 MB in the beginning and 326.1 MB in the end (delta: 15.2 MB). Free memory was 225.3 MB in the beginning and 283.3 MB in the end (delta: -58.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:17,258 INFO ]: TraceAbstraction took 78129.54 ms. Allocated memory was 326.1 MB in the beginning and 623.9 MB in the end (delta: 297.8 MB). Free memory was 283.3 MB in the beginning and 464.5 MB in the end (delta: -181.2 MB). Peak memory consumption was 304.6 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:17,261 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 310.9 MB. Free memory is still 276.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 152.91 ms. Allocated memory is still 310.9 MB. Free memory was 234.3 MB in the beginning and 227.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 78.50 ms. Allocated memory is still 310.9 MB. Free memory was 227.3 MB in the beginning and 225.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 563.30 ms. Allocated memory was 310.9 MB in the beginning and 326.1 MB in the end (delta: 15.2 MB). Free memory was 225.3 MB in the beginning and 283.3 MB in the end (delta: -58.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78129.54 ms. Allocated memory was 326.1 MB in the beginning and 623.9 MB in the end (delta: 297.8 MB). Free memory was 283.3 MB in the beginning and 464.5 MB in the end (delta: -181.2 MB). Peak memory consumption was 304.6 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, 78.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s 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, 0.3s 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_e2_1678_e1_3565.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-13-17-272.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e2_1678_e1_3565.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-13-17-272.csv Completed graceful shutdown