java -Xss1g -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/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:20:43,037 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:20:43,039 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:20:43,052 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:20:43,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:20:43,053 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:20:43,054 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:20:43,056 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:20:43,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:20:43,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:20:43,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:20:43,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:20:43,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:20:43,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:20:43,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:20:43,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:20:43,066 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:20:43,069 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:20:43,071 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:20:43,072 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:20:43,073 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:20:43,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:20:43,076 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:20:43,076 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:20:43,077 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:20:43,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:20:43,079 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:20:43,080 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:20:43,081 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:20:43,081 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:20:43,082 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:20:43,083 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:20:43,083 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:20:43,084 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:20:43,084 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:20:43,085 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 16:20:43,098 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:20:43,099 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:20:43,099 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:20:43,099 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:20:43,100 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:20:43,100 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:20:43,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:20:43,101 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:20:43,101 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:20:43,101 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:20:43,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:20:43,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:20:43,102 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:20:43,102 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:20:43,102 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:20:43,103 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:20:43,103 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:20:43,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:20:43,103 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:20:43,105 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:20:43,105 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:20:43,145 INFO ]: Repository-Root is: /tmp [2018-06-22 16:20:43,161 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:20:43,166 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:20:43,167 INFO ]: Initializing SmtParser... [2018-06-22 16:20:43,167 INFO ]: SmtParser initialized [2018-06-22 16:20:43,168 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11.smt2 [2018-06-22 16:20:43,169 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 [2018-06-22 16:20:43,259 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11.smt2 unknown [2018-06-22 16:20:43,896 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11.smt2 [2018-06-22 16:20:43,901 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:20:43,906 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:20:43,907 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:20:43,907 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:20:43,907 INFO ]: ChcToBoogie initialized [2018-06-22 16:20:43,910 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:20:43" (1/1) ... [2018-06-22 16:20:43,971 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43 Unit [2018-06-22 16:20:43,971 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:20:43,972 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:20:43,972 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:20:43,972 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:20:43,993 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (1/1) ... [2018-06-22 16:20:43,993 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (1/1) ... [2018-06-22 16:20:44,008 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (1/1) ... [2018-06-22 16:20:44,008 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (1/1) ... [2018-06-22 16:20:44,021 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (1/1) ... [2018-06-22 16:20:44,022 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (1/1) ... [2018-06-22 16:20:44,027 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (1/1) ... [2018-06-22 16:20:44,032 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:20:44,033 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:20:44,033 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:20:44,033 INFO ]: RCFGBuilder initialized [2018-06-22 16:20:44,033 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (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) [2018-06-22 16:20:44,077 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:20:44,077 INFO ]: Found specification of procedure False [2018-06-22 16:20:44,077 INFO ]: Found implementation of procedure False [2018-06-22 16:20:44,077 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:20:44,077 INFO ]: Found specification of procedure state [2018-06-22 16:20:44,077 INFO ]: Found implementation of procedure state [2018-06-22 16:20:44,077 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:20:44,077 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:20:44,077 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 [2018-06-22 16:20:44,631 INFO ]: Using library mode [2018-06-22 16:20:44,631 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:20:44 BoogieIcfgContainer [2018-06-22 16:20:44,632 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:20:44,633 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:20:44,633 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:20:44,636 INFO ]: TraceAbstraction initialized [2018-06-22 16:20:44,636 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:20:43" (1/3) ... [2018-06-22 16:20:44,637 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb122f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:20:44, skipping insertion in model container [2018-06-22 16:20:44,637 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:20:43" (2/3) ... [2018-06-22 16:20:44,637 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb122f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:20:44, skipping insertion in model container [2018-06-22 16:20:44,637 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:20:44" (3/3) ... [2018-06-22 16:20:44,644 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:20:44,653 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:20:44,663 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:20:44,707 INFO ]: Using default assertion order modulation [2018-06-22 16:20:44,707 INFO ]: Interprodecural is true [2018-06-22 16:20:44,707 INFO ]: Hoare is false [2018-06-22 16:20:44,707 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:20:44,707 INFO ]: Backedges is TWOTRACK [2018-06-22 16:20:44,707 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:20:44,708 INFO ]: Difference is false [2018-06-22 16:20:44,708 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:20:44,708 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:20:44,726 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:20:44,740 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:20:44,740 INFO ]: Found error trace [2018-06-22 16:20:44,741 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:20:44,741 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:20:44,746 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:20:44,748 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:20:44,749 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:20:44,795 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:20:44,795 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:20:44,795 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:20:44,936 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:20:45,252 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:20:45,254 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:20:45,254 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:20:45,256 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:20:45,267 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:20:45,268 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:20:45,270 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:20:45,452 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:20:45,452 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:20:45,453 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:20:45,454 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:20:45,455 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:20:45,470 INFO ]: With dead ends: 13 [2018-06-22 16:20:45,470 INFO ]: Without dead ends: 13 [2018-06-22 16:20:45,473 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 [2018-06-22 16:20:45,493 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:20:45,528 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:20:45,530 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:20:45,531 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:20:45,532 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:20:45,532 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:20:45,532 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:20:45,532 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:20:45,532 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:20:45,534 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:20:45,534 INFO ]: Found error trace [2018-06-22 16:20:45,534 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:20:45,534 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:20:45,535 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:20:45,535 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:20:45,535 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:20:45,535 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:20:45,535 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:20:45,535 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:20:45,678 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:20:46,660 WARN ]: Spent 630.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2018-06-22 16:20:46,799 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:20:46,799 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:20:46,799 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 [2018-06-22 16:20:46,809 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:20:47,015 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:20:47,027 INFO ]: Computing forward predicates... [2018-06-22 16:20:47,498 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:48,691 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:48,862 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:20:54,099 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:20:54,150 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:54,322 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:21:01,360 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:21:01,386 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:21:02,221 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:21:02,230 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:21:02,239 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:21:02,273 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:21:02,539 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:21:04,544 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:21:04,571 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:21:04,680 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 16:21:16,979 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 16:21:17,032 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 16:21:17,757 WARN ]: Simplifying disjunction of 93312 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:22:03,629 INFO ]: Timeout while computing interpolants [2018-06-22 16:22:03,830 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:22:03,830 WARN ]: Verification canceled [2018-06-22 16:22:03,833 WARN ]: Timeout [2018-06-22 16:22:03,833 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:22:03 BoogieIcfgContainer [2018-06-22 16:22:03,833 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:22:03,834 INFO ]: Toolchain (without parser) took 79932.87 ms. Allocated memory was 303.0 MB in the beginning and 440.9 MB in the end (delta: 137.9 MB). Free memory was 224.6 MB in the beginning and 155.3 MB in the end (delta: 69.3 MB). Peak memory consumption was 235.4 MB. Max. memory is 3.6 GB. [2018-06-22 16:22:03,835 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 303.0 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:22:03,835 INFO ]: ChcToBoogie took 65.08 ms. Allocated memory is still 303.0 MB. Free memory was 224.6 MB in the beginning and 221.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:22:03,836 INFO ]: Boogie Preprocessor took 60.24 ms. Allocated memory is still 303.0 MB. Free memory was 221.6 MB in the beginning and 218.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:22:03,836 INFO ]: RCFGBuilder took 598.84 ms. Allocated memory is still 303.0 MB. Free memory was 218.6 MB in the beginning and 264.7 MB in the end (delta: -46.1 MB). Peak memory consumption was 42.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:22:03,837 INFO ]: TraceAbstraction took 79200.34 ms. Allocated memory was 303.0 MB in the beginning and 440.9 MB in the end (delta: 137.9 MB). Free memory was 263.5 MB in the beginning and 155.3 MB in the end (delta: 108.1 MB). Peak memory consumption was 274.3 MB. Max. memory is 3.6 GB. [2018-06-22 16:22:03,845 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 303.0 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 65.08 ms. Allocated memory is still 303.0 MB. Free memory was 224.6 MB in the beginning and 221.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.24 ms. Allocated memory is still 303.0 MB. Free memory was 221.6 MB in the beginning and 218.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 598.84 ms. Allocated memory is still 303.0 MB. Free memory was 218.6 MB in the beginning and 264.7 MB in the end (delta: -46.1 MB). Peak memory consumption was 42.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79200.34 ms. Allocated memory was 303.0 MB in the beginning and 440.9 MB in the end (delta: 137.9 MB). Free memory was 263.5 MB in the beginning and 155.3 MB in the end (delta: 108.1 MB). Peak memory consumption was 274.3 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, 79.1s 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_11.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-22-03-862.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-22-03-862.csv Completed graceful shutdown