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_10_e3_144_e6_4484.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:13:40,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:13:40,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:13:40,293 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:13:40,294 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:13:40,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:13:40,296 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:13:40,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:13:40,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:13:40,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:13:40,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:13:40,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:13:40,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:13:40,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:13:40,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:13:40,304 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:13:40,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:13:40,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:13:40,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:13:40,311 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:13:40,312 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:13:40,314 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:13:40,314 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:13:40,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:13:40,315 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:13:40,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:13:40,317 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:13:40,318 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:13:40,319 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:13:40,319 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:13:40,320 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:13:40,320 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:13:40,321 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:13:40,321 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:13:40,322 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:13:40,322 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 16:13:40,335 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:13:40,335 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:13:40,336 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:13:40,336 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:13:40,337 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:13:40,337 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:13:40,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:13:40,338 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:13:40,338 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:13:40,338 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:13:40,338 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:13:40,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:13:40,339 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:13:40,339 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:13:40,339 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:13:40,340 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:13:40,340 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:13:40,340 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:13:40,340 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:13:40,342 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:13:40,342 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:13:40,396 INFO ]: Repository-Root is: /tmp [2018-06-22 16:13:40,410 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:13:40,418 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:13:40,423 INFO ]: Initializing SmtParser... [2018-06-22 16:13:40,423 INFO ]: SmtParser initialized [2018-06-22 16:13:40,424 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e3_144_e6_4484.smt2 [2018-06-22 16:13:40,426 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 16:13:40,520 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e3_144_e6_4484.smt2 unknown [2018-06-22 16:13:41,184 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e3_144_e6_4484.smt2 [2018-06-22 16:13:41,189 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:13:41,202 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:13:41,203 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:13:41,203 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:13:41,203 INFO ]: ChcToBoogie initialized [2018-06-22 16:13:41,207 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:13:41" (1/1) ... [2018-06-22 16:13:41,320 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41 Unit [2018-06-22 16:13:41,320 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:13:41,323 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:13:41,323 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:13:41,323 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:13:41,344 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (1/1) ... [2018-06-22 16:13:41,344 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (1/1) ... [2018-06-22 16:13:41,371 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (1/1) ... [2018-06-22 16:13:41,371 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (1/1) ... [2018-06-22 16:13:41,388 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (1/1) ... [2018-06-22 16:13:41,389 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (1/1) ... [2018-06-22 16:13:41,400 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (1/1) ... [2018-06-22 16:13:41,410 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:13:41,411 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:13:41,411 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:13:41,411 INFO ]: RCFGBuilder initialized [2018-06-22 16:13:41,411 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (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 16:13:41,429 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:13:41,429 INFO ]: Found specification of procedure False [2018-06-22 16:13:41,429 INFO ]: Found implementation of procedure False [2018-06-22 16:13:41,429 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:13:41,429 INFO ]: Found specification of procedure state [2018-06-22 16:13:41,429 INFO ]: Found implementation of procedure state [2018-06-22 16:13:41,429 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:13:41,429 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:13:41,430 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 16:13:41,967 INFO ]: Using library mode [2018-06-22 16:13:41,968 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:13:41 BoogieIcfgContainer [2018-06-22 16:13:41,968 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:13:41,969 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:13:41,969 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:13:41,977 INFO ]: TraceAbstraction initialized [2018-06-22 16:13:41,977 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:13:41" (1/3) ... [2018-06-22 16:13:41,978 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715dbae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:13:41, skipping insertion in model container [2018-06-22 16:13:41,978 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:41" (2/3) ... [2018-06-22 16:13:41,979 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715dbae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:13:41, skipping insertion in model container [2018-06-22 16:13:41,979 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:13:41" (3/3) ... [2018-06-22 16:13:41,982 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:13:41,993 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:13:42,004 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:13:42,054 INFO ]: Using default assertion order modulation [2018-06-22 16:13:42,055 INFO ]: Interprodecural is true [2018-06-22 16:13:42,055 INFO ]: Hoare is false [2018-06-22 16:13:42,055 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:13:42,055 INFO ]: Backedges is TWOTRACK [2018-06-22 16:13:42,055 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:13:42,055 INFO ]: Difference is false [2018-06-22 16:13:42,055 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:13:42,055 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:13:42,076 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:13:42,091 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:13:42,091 INFO ]: Found error trace [2018-06-22 16:13:42,092 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:13:42,092 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:13:42,099 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:13:42,101 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:13:42,102 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:13:42,154 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:13:42,154 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:13:42,154 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:13:42,298 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:13:42,619 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-22 16:13:42,622 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:13:42,624 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:13:42,625 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:13:42,627 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:13:42,642 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:13:42,643 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:13:42,646 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:13:42,811 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:13:42,812 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:13:42,812 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:13:42,813 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:13:42,813 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:13:42,826 INFO ]: With dead ends: 13 [2018-06-22 16:13:42,826 INFO ]: Without dead ends: 13 [2018-06-22 16:13:42,830 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 16:13:42,850 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:13:42,888 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:13:42,889 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:13:42,890 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:13:42,891 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:13:42,891 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:13:42,891 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:13:42,892 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:13:42,892 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:13:42,893 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:13:42,893 INFO ]: Found error trace [2018-06-22 16:13:42,893 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:13:42,893 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:13:42,893 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:13:42,893 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:13:42,893 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:13:42,895 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:13:42,895 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:13:42,895 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:13:43,088 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:13:44,492 WARN ]: Spent 1.02 s on a formula simplification. DAG size of input: 136 DAG size of output: 96 [2018-06-22 16:13:44,617 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:13:44,618 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:13:44,618 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 16:13:44,626 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:13:44,832 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:13:44,847 INFO ]: Computing forward predicates... [2018-06-22 16:13:55,825 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:13:56,893 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:13:56,894 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:13:57,199 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:13:57,209 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:13:57,416 WARN ]: Simplifying disjunction of 5598 conjuctions. This might take some time... [2018-06-22 16:13:59,259 INFO ]: Simplified to disjunction of 5598 conjuctions. [2018-06-22 16:13:59,313 WARN ]: Simplifying disjunction of 15387 conjuctions. This might take some time... [2018-06-22 16:14:11,910 INFO ]: Simplified to disjunction of 15387 conjuctions. [2018-06-22 16:14:11,996 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:14:12,000 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:14:12,227 WARN ]: Simplifying disjunction of 6354 conjuctions. This might take some time... [2018-06-22 16:14:14,681 INFO ]: Simplified to disjunction of 6354 conjuctions. [2018-06-22 16:14:14,740 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:14:14,774 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 16:14:24,334 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-22 16:14:24,386 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:14:24,387 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:14:25,439 WARN ]: Simplifying disjunction of 7876 conjuctions. This might take some time... [2018-06-22 16:14:30,617 INFO ]: Simplified to disjunction of 7876 conjuctions. [2018-06-22 16:14:31,208 WARN ]: Simplifying disjunction of 109980 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:14:50,819 INFO ]: Timeout while computing interpolants [2018-06-22 16:14:51,020 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:14:51,021 WARN ]: Verification canceled [2018-06-22 16:14:51,026 WARN ]: Timeout [2018-06-22 16:14:51,028 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:14:51 BoogieIcfgContainer [2018-06-22 16:14:51,028 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:14:51,029 INFO ]: Toolchain (without parser) took 69839.69 ms. Allocated memory was 306.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 227.6 MB in the beginning and 446.8 MB in the end (delta: -219.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:14:51,030 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:14:51,030 INFO ]: ChcToBoogie took 119.49 ms. Allocated memory is still 306.2 MB. Free memory was 227.6 MB in the beginning and 224.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:14:51,031 INFO ]: Boogie Preprocessor took 87.42 ms. Allocated memory is still 306.2 MB. Free memory was 224.6 MB in the beginning and 222.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:14:51,031 INFO ]: RCFGBuilder took 557.34 ms. Allocated memory was 306.2 MB in the beginning and 328.2 MB in the end (delta: 22.0 MB). Free memory was 222.6 MB in the beginning and 289.6 MB in the end (delta: -66.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:14:51,043 INFO ]: TraceAbstraction took 69058.78 ms. Allocated memory was 328.2 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 289.6 MB in the beginning and 446.8 MB in the end (delta: -157.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:14:51,046 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 119.49 ms. Allocated memory is still 306.2 MB. Free memory was 227.6 MB in the beginning and 224.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 87.42 ms. Allocated memory is still 306.2 MB. Free memory was 224.6 MB in the beginning and 222.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 557.34 ms. Allocated memory was 306.2 MB in the beginning and 328.2 MB in the end (delta: 22.0 MB). Free memory was 222.6 MB in the beginning and 289.6 MB in the end (delta: -66.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69058.78 ms. Allocated memory was 328.2 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 289.6 MB in the beginning and 446.8 MB in the end (delta: -157.2 MB). Peak memory consumption was 1.4 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 109980 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.9s 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_10_e3_144_e6_4484.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-14-51-061.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e3_144_e6_4484.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-14-51-061.csv Completed graceful shutdown