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_9_e7_1843_e7_2225.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:44:32,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:44:32,374 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:44:32,407 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:44:32,407 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:44:32,412 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:44:32,413 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:44:32,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:44:32,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:44:32,428 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:44:32,429 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:44:32,430 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:44:32,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:44:32,435 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:44:32,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:44:32,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:44:32,444 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:44:32,447 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:44:32,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:44:32,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:44:32,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:44:32,478 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:44:32,478 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:44:32,478 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:44:32,479 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:44:32,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:44:32,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:44:32,489 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:44:32,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:44:32,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:44:32,501 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:44:32,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:44:32,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:44:32,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:44:32,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:44:32,509 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:44:32,544 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:44:32,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:44:32,555 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:44:32,555 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:44:32,557 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:44:32,557 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:44:32,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:44:32,558 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:44:32,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:44:32,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:44:32,558 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:44:32,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:44:32,560 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:44:32,560 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:44:32,560 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:44:32,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:44:32,565 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:44:32,566 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:44:32,567 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:44:32,663 INFO ]: Repository-Root is: /tmp [2018-06-18 14:44:32,701 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:44:32,714 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:44:32,716 INFO ]: Initializing SmtParser... [2018-06-18 14:44:32,716 INFO ]: SmtParser initialized [2018-06-18 14:44:32,717 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e7_2225.smt2 [2018-06-18 14:44:32,719 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 14:44:32,839 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e7_2225.smt2 unknown [2018-06-18 14:44:33,794 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e7_2225.smt2 [2018-06-18 14:44:33,803 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:44:33,820 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:44:33,820 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:44:33,820 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:44:33,820 INFO ]: ChcToBoogie initialized [2018-06-18 14:44:33,843 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:44:33" (1/1) ... [2018-06-18 14:44:34,081 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34 Unit [2018-06-18 14:44:34,081 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:44:34,082 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:44:34,082 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:44:34,082 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:44:34,121 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (1/1) ... [2018-06-18 14:44:34,121 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (1/1) ... [2018-06-18 14:44:34,167 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (1/1) ... [2018-06-18 14:44:34,167 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (1/1) ... [2018-06-18 14:44:34,205 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (1/1) ... [2018-06-18 14:44:34,207 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (1/1) ... [2018-06-18 14:44:34,219 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (1/1) ... [2018-06-18 14:44:34,234 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:44:34,238 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:44:34,238 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:44:34,238 INFO ]: RCFGBuilder initialized [2018-06-18 14:44:34,240 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (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 14:44:34,288 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:44:34,288 INFO ]: Found specification of procedure False [2018-06-18 14:44:34,288 INFO ]: Found implementation of procedure False [2018-06-18 14:44:34,288 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:44:34,288 INFO ]: Found specification of procedure state [2018-06-18 14:44:34,288 INFO ]: Found implementation of procedure state [2018-06-18 14:44:34,288 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:44:34,288 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:44:34,288 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 14:44:35,112 INFO ]: Using library mode [2018-06-18 14:44:35,134 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:44:35 BoogieIcfgContainer [2018-06-18 14:44:35,135 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:44:35,136 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:44:35,136 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:44:35,143 INFO ]: TraceAbstraction initialized [2018-06-18 14:44:35,143 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:44:33" (1/3) ... [2018-06-18 14:44:35,150 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24519d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:44:35, skipping insertion in model container [2018-06-18 14:44:35,150 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:34" (2/3) ... [2018-06-18 14:44:35,150 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24519d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:44:35, skipping insertion in model container [2018-06-18 14:44:35,150 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:44:35" (3/3) ... [2018-06-18 14:44:35,153 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:44:35,183 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:44:35,199 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:44:35,308 INFO ]: Using default assertion order modulation [2018-06-18 14:44:35,317 INFO ]: Interprodecural is true [2018-06-18 14:44:35,318 INFO ]: Hoare is false [2018-06-18 14:44:35,318 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:44:35,318 INFO ]: Backedges is TWOTRACK [2018-06-18 14:44:35,318 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:44:35,318 INFO ]: Difference is false [2018-06-18 14:44:35,318 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:44:35,318 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:44:35,356 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:44:35,382 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:44:35,382 INFO ]: Found error trace [2018-06-18 14:44:35,383 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:44:35,383 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:44:35,404 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:44:35,406 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:44:35,407 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:44:35,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:44:35,515 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:44:35,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:44:35,737 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:44:35,759 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:44:36,075 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:44:36,077 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:44:36,078 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:44:36,080 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:44:36,101 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:44:36,102 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:44:36,106 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:44:36,313 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:44:36,313 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:44:36,316 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:44:36,317 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:44:36,318 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:44:36,347 INFO ]: With dead ends: 13 [2018-06-18 14:44:36,347 INFO ]: Without dead ends: 13 [2018-06-18 14:44:36,358 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 14:44:36,394 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:44:36,463 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:44:36,467 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:44:36,470 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:44:36,471 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:44:36,471 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:44:36,471 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:44:36,471 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:44:36,471 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:44:36,477 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:44:36,478 INFO ]: Found error trace [2018-06-18 14:44:36,478 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:44:36,478 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:44:36,478 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:44:36,478 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:44:36,478 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:44:36,479 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:44:36,479 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:44:36,479 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:44:36,724 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:44:36,726 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:44:39,481 WARN ]: Spent 2.13 s on a formula simplification. DAG size of input: 127 DAG size of output: 62 [2018-06-18 14:44:39,648 WARN ]: Spent 118.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-06-18 14:44:39,854 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:44:39,854 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:44:39,854 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) [2018-06-18 14:44:39,884 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:44:40,300 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:44:40,348 INFO ]: Computing forward predicates... [2018-06-18 14:44:45,760 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 14:44:45,919 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 14:44:46,376 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:44:46,414 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:44:46,905 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 14:44:47,165 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-18 14:45:10,930 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-18 14:45:11,123 WARN ]: Simplifying disjunction of 6438 conjuctions. This might take some time... [2018-06-18 14:45:28,589 INFO ]: Simplified to disjunction of 6438 conjuctions. [2018-06-18 14:45:28,705 WARN ]: Simplifying disjunction of 8149 conjuctions. This might take some time... [2018-06-18 14:45:46,397 INFO ]: Simplified to disjunction of 8149 conjuctions. [2018-06-18 14:45:46,510 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 14:45:46,526 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:45:46,885 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:45:46,966 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:47,022 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:47,076 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:48,195 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:45:48,312 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:48,537 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:45:48,549 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:48,708 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:54,549 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:54,555 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:54,576 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 14:45:54,587 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:45:54,926 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 14:45:55,049 WARN ]: Simplifying disjunction of 15552 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:45:58,359 INFO ]: Timeout while computing interpolants [2018-06-18 14:45:58,561 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:45:58,561 WARN ]: Verification canceled [2018-06-18 14:45:58,565 WARN ]: Timeout [2018-06-18 14:45:58,565 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:45:58 BoogieIcfgContainer [2018-06-18 14:45:58,565 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:45:58,566 INFO ]: Toolchain (without parser) took 84761.75 ms. Allocated memory was 305.7 MB in the beginning and 586.2 MB in the end (delta: 280.5 MB). Free memory was 228.3 MB in the beginning and 336.1 MB in the end (delta: -107.8 MB). Peak memory consumption was 343.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:58,568 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 305.7 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:45:58,569 INFO ]: ChcToBoogie took 261.45 ms. Allocated memory is still 305.7 MB. Free memory was 228.3 MB in the beginning and 222.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:58,570 INFO ]: Boogie Preprocessor took 151.85 ms. Allocated memory is still 305.7 MB. Free memory was 222.3 MB in the beginning and 220.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:58,570 INFO ]: RCFGBuilder took 896.34 ms. Allocated memory was 305.7 MB in the beginning and 323.5 MB in the end (delta: 17.8 MB). Free memory was 220.3 MB in the beginning and 283.3 MB in the end (delta: -62.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:58,571 INFO ]: TraceAbstraction took 83428.82 ms. Allocated memory was 323.5 MB in the beginning and 586.2 MB in the end (delta: 262.7 MB). Free memory was 283.3 MB in the beginning and 336.1 MB in the end (delta: -52.8 MB). Peak memory consumption was 380.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:58,574 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 305.7 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 261.45 ms. Allocated memory is still 305.7 MB. Free memory was 228.3 MB in the beginning and 222.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 151.85 ms. Allocated memory is still 305.7 MB. Free memory was 222.3 MB in the beginning and 220.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 896.34 ms. Allocated memory was 305.7 MB in the beginning and 323.5 MB in the end (delta: 17.8 MB). Free memory was 220.3 MB in the beginning and 283.3 MB in the end (delta: -62.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 83428.82 ms. Allocated memory was 323.5 MB in the beginning and 586.2 MB in the end (delta: 262.7 MB). Free memory was 283.3 MB in the beginning and 336.1 MB in the end (delta: -52.8 MB). Peak memory consumption was 380.3 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 15552 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 83.2s 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, 0.3s 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_9_e7_1843_e7_2225.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-45-58-602.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e7_2225.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-45-58-602.csv Completed graceful shutdown