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_10.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:10:02,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:10:02,520 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:10:02,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:10:02,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:10:02,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:10:02,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:10:02,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:10:02,545 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:10:02,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:10:02,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:10:02,551 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:10:02,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:10:02,556 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:10:02,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:10:02,561 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:10:02,563 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:10:02,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:10:02,577 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:10:02,578 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:10:02,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:10:02,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:10:02,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:10:02,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:10:02,588 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:10:02,589 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:10:02,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:10:02,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:10:02,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:10:02,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:10:02,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:10:02,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:10:02,599 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:10:02,600 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:10:02,600 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:10:02,601 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:10:02,620 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:10:02,620 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:10:02,620 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:10:02,621 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:10:02,622 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:10:02,622 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:10:02,623 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:10:02,623 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:10:02,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:10:02,623 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:10:02,623 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:10:02,623 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:10:02,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:10:02,624 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:10:02,624 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:10:02,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:10:02,624 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:10:02,626 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:10:02,626 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:10:02,663 INFO ]: Repository-Root is: /tmp [2018-06-18 14:10:02,686 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:10:02,694 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:10:02,695 INFO ]: Initializing SmtParser... [2018-06-18 14:10:02,696 INFO ]: SmtParser initialized [2018-06-18 14:10:02,697 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10.smt2 [2018-06-18 14:10:02,698 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 14:10:02,800 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10.smt2 unknown [2018-06-18 14:10:03,468 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10.smt2 [2018-06-18 14:10:03,473 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:10:03,479 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:10:03,479 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:10:03,479 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:10:03,479 INFO ]: ChcToBoogie initialized [2018-06-18 14:10:03,487 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:10:03" (1/1) ... [2018-06-18 14:10:03,679 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03 Unit [2018-06-18 14:10:03,679 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:10:03,680 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:10:03,680 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:10:03,680 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:10:03,704 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (1/1) ... [2018-06-18 14:10:03,704 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (1/1) ... [2018-06-18 14:10:03,736 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (1/1) ... [2018-06-18 14:10:03,736 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (1/1) ... [2018-06-18 14:10:03,761 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (1/1) ... [2018-06-18 14:10:03,763 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (1/1) ... [2018-06-18 14:10:03,772 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (1/1) ... [2018-06-18 14:10:03,779 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:10:03,780 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:10:03,780 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:10:03,780 INFO ]: RCFGBuilder initialized [2018-06-18 14:10:03,781 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (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 14:10:03,810 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:10:03,810 INFO ]: Found specification of procedure False [2018-06-18 14:10:03,810 INFO ]: Found implementation of procedure False [2018-06-18 14:10:03,810 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:10:03,810 INFO ]: Found specification of procedure state [2018-06-18 14:10:03,810 INFO ]: Found implementation of procedure state [2018-06-18 14:10:03,810 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:10:03,810 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:10:03,810 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 14:10:04,447 INFO ]: Using library mode [2018-06-18 14:10:04,448 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:10:04 BoogieIcfgContainer [2018-06-18 14:10:04,448 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:10:04,451 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:10:04,451 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:10:04,456 INFO ]: TraceAbstraction initialized [2018-06-18 14:10:04,456 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:10:03" (1/3) ... [2018-06-18 14:10:04,457 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2576e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:10:04, skipping insertion in model container [2018-06-18 14:10:04,457 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:10:03" (2/3) ... [2018-06-18 14:10:04,457 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2576e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:10:04, skipping insertion in model container [2018-06-18 14:10:04,458 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:10:04" (3/3) ... [2018-06-18 14:10:04,461 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:10:04,472 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:10:04,487 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:10:04,547 INFO ]: Using default assertion order modulation [2018-06-18 14:10:04,548 INFO ]: Interprodecural is true [2018-06-18 14:10:04,548 INFO ]: Hoare is false [2018-06-18 14:10:04,548 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:10:04,548 INFO ]: Backedges is TWOTRACK [2018-06-18 14:10:04,548 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:10:04,548 INFO ]: Difference is false [2018-06-18 14:10:04,548 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:10:04,548 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:10:04,566 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:10:04,580 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:10:04,580 INFO ]: Found error trace [2018-06-18 14:10:04,581 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:10:04,581 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:10:04,589 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:10:04,591 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:10:04,591 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:10:04,635 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:10:04,635 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:10:04,635 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:10:04,792 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:10:04,804 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:10:05,066 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:10:05,069 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:10:05,069 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:10:05,071 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:10:05,089 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:10:05,090 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:10:05,093 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:10:05,267 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:10:05,267 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:10:05,269 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:10:05,271 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:10:05,271 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:10:05,288 INFO ]: With dead ends: 13 [2018-06-18 14:10:05,288 INFO ]: Without dead ends: 13 [2018-06-18 14:10:05,290 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 14:10:05,310 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:10:05,350 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:10:05,351 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:10:05,355 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:10:05,357 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:10:05,357 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:10:05,357 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:10:05,357 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:10:05,357 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:10:05,359 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:10:05,359 INFO ]: Found error trace [2018-06-18 14:10:05,360 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:10:05,360 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:10:05,360 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:10:05,360 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:10:05,360 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:10:05,361 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:10:05,361 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:10:05,361 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:10:05,559 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:10:05,561 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:10:07,241 WARN ]: Spent 1.22 s on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2018-06-18 14:10:07,318 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:10:07,318 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:10:07,318 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 14:10:07,328 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:10:07,543 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:10:07,555 INFO ]: Computing forward predicates... [2018-06-18 14:10:19,510 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:10:20,738 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:10:20,741 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:10:21,132 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:10:21,138 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 14:10:21,442 WARN ]: Simplifying disjunction of 5598 conjuctions. This might take some time... [2018-06-18 14:10:23,857 INFO ]: Simplified to disjunction of 5598 conjuctions. [2018-06-18 14:10:23,933 WARN ]: Simplifying disjunction of 15480 conjuctions. This might take some time... [2018-06-18 14:10:45,308 INFO ]: Simplified to disjunction of 15480 conjuctions. [2018-06-18 14:10:45,417 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:10:45,425 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 14:10:45,610 WARN ]: Simplifying disjunction of 6354 conjuctions. This might take some time... [2018-06-18 14:10:51,857 INFO ]: Simplified to disjunction of 6354 conjuctions. [2018-06-18 14:10:51,942 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:10:51,989 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-18 14:11:04,694 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-18 14:11:04,734 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:11:04,736 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:11:05,719 WARN ]: Simplifying disjunction of 7701 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:11:13,045 INFO ]: Timeout while computing interpolants [2018-06-18 14:11:13,247 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:11:13,247 WARN ]: Verification canceled [2018-06-18 14:11:13,251 WARN ]: Timeout [2018-06-18 14:11:13,251 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:11:13 BoogieIcfgContainer [2018-06-18 14:11:13,252 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:11:13,252 INFO ]: Toolchain (without parser) took 69778.54 ms. Allocated memory was 306.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 230.8 MB in the beginning and 1.1 GB in the end (delta: -821.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:11:13,265 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 306.2 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:11:13,265 INFO ]: ChcToBoogie took 200.05 ms. Allocated memory is still 306.2 MB. Free memory was 228.8 MB in the beginning and 221.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:11:13,269 INFO ]: Boogie Preprocessor took 99.28 ms. Allocated memory is still 306.2 MB. Free memory was 221.9 MB in the beginning and 219.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:11:13,270 INFO ]: RCFGBuilder took 668.47 ms. Allocated memory was 306.2 MB in the beginning and 329.8 MB in the end (delta: 23.6 MB). Free memory was 219.9 MB in the beginning and 287.7 MB in the end (delta: -67.9 MB). Peak memory consumption was 40.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:11:13,270 INFO ]: TraceAbstraction took 68800.49 ms. Allocated memory was 329.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 287.7 MB in the beginning and 1.1 GB in the end (delta: -764.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:11:13,274 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 306.2 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 200.05 ms. Allocated memory is still 306.2 MB. Free memory was 228.8 MB in the beginning and 221.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.28 ms. Allocated memory is still 306.2 MB. Free memory was 221.9 MB in the beginning and 219.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 668.47 ms. Allocated memory was 306.2 MB in the beginning and 329.8 MB in the end (delta: 23.6 MB). Free memory was 219.9 MB in the beginning and 287.7 MB in the end (delta: -67.9 MB). Peak memory consumption was 40.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68800.49 ms. Allocated memory was 329.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 287.7 MB in the beginning and 1.1 GB in the end (delta: -764.1 MB). Peak memory consumption was 1.3 GB. 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 7701 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.7s 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_10.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-11-13-296.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-11-13-296.csv Completed graceful shutdown