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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 06:36:14,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 06:36:14,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 06:36:14,675 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 06:36:14,676 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 06:36:14,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 06:36:14,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 06:36:14,683 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 06:36:14,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 06:36:14,687 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 06:36:14,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 06:36:14,688 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 06:36:14,689 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 06:36:14,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 06:36:14,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 06:36:14,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 06:36:14,709 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 06:36:14,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 06:36:14,713 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 06:36:14,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 06:36:14,715 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 06:36:14,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 06:36:14,721 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 06:36:14,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 06:36:14,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 06:36:14,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 06:36:14,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 06:36:14,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 06:36:14,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 06:36:14,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 06:36:14,734 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 06:36:14,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 06:36:14,736 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 06:36:14,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 06:36:14,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 06:36:14,739 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 06:36:14,760 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 06:36:14,760 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 06:36:14,760 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 06:36:14,761 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 06:36:14,762 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 06:36:14,762 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 06:36:14,762 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 06:36:14,762 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 06:36:14,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 06:36:14,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 06:36:14,763 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 06:36:14,763 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 06:36:14,763 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 06:36:14,764 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 06:36:14,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 06:36:14,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 06:36:14,764 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 06:36:14,766 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 06:36:14,766 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 06:36:14,810 INFO ]: Repository-Root is: /tmp [2018-06-22 06:36:14,830 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 06:36:14,835 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 06:36:14,837 INFO ]: Initializing SmtParser... [2018-06-22 06:36:14,837 INFO ]: SmtParser initialized [2018-06-22 06:36:14,838 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618.smt2 [2018-06-22 06:36:14,839 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 06:36:14,916 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618.smt2 unknown [2018-06-22 06:36:15,665 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618.smt2 [2018-06-22 06:36:15,669 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 06:36:15,676 INFO ]: Walking toolchain with 4 elements. [2018-06-22 06:36:15,677 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 06:36:15,677 INFO ]: Initializing ChcToBoogie... [2018-06-22 06:36:15,677 INFO ]: ChcToBoogie initialized [2018-06-22 06:36:15,680 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:36:15" (1/1) ... [2018-06-22 06:36:15,800 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15 Unit [2018-06-22 06:36:15,801 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 06:36:15,802 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 06:36:15,802 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 06:36:15,802 INFO ]: Boogie Preprocessor initialized [2018-06-22 06:36:15,819 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (1/1) ... [2018-06-22 06:36:15,819 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (1/1) ... [2018-06-22 06:36:15,834 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (1/1) ... [2018-06-22 06:36:15,834 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (1/1) ... [2018-06-22 06:36:15,860 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (1/1) ... [2018-06-22 06:36:15,861 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (1/1) ... [2018-06-22 06:36:15,866 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (1/1) ... [2018-06-22 06:36:15,872 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 06:36:15,873 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 06:36:15,873 INFO ]: Initializing RCFGBuilder... [2018-06-22 06:36:15,873 INFO ]: RCFGBuilder initialized [2018-06-22 06:36:15,874 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (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 06:36:15,888 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 06:36:15,888 INFO ]: Found specification of procedure gotoProc [2018-06-22 06:36:15,888 INFO ]: Found implementation of procedure gotoProc [2018-06-22 06:36:15,888 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 06:36:15,888 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 06:36:15,888 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 06:36:16,529 INFO ]: Using library mode [2018-06-22 06:36:16,531 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:36:16 BoogieIcfgContainer [2018-06-22 06:36:16,531 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 06:36:16,532 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 06:36:16,532 INFO ]: Initializing TraceAbstraction... [2018-06-22 06:36:16,538 INFO ]: TraceAbstraction initialized [2018-06-22 06:36:16,538 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:36:15" (1/3) ... [2018-06-22 06:36:16,539 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4415e68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:36:16, skipping insertion in model container [2018-06-22 06:36:16,539 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:36:15" (2/3) ... [2018-06-22 06:36:16,540 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4415e68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:36:16, skipping insertion in model container [2018-06-22 06:36:16,540 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:36:16" (3/3) ... [2018-06-22 06:36:16,542 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 06:36:16,552 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 06:36:16,563 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 06:36:16,629 INFO ]: Using default assertion order modulation [2018-06-22 06:36:16,630 INFO ]: Interprodecural is true [2018-06-22 06:36:16,630 INFO ]: Hoare is false [2018-06-22 06:36:16,630 INFO ]: Compute interpolants for FPandBP [2018-06-22 06:36:16,630 INFO ]: Backedges is TWOTRACK [2018-06-22 06:36:16,630 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 06:36:16,630 INFO ]: Difference is false [2018-06-22 06:36:16,630 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 06:36:16,630 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 06:36:16,651 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 06:36:16,666 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 06:36:16,666 INFO ]: Found error trace [2018-06-22 06:36:16,667 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:36:16,667 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:36:16,674 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 06:36:16,676 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:36:16,677 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:36:16,728 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:36:16,728 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:36:16,728 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:36:16,920 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:36:17,162 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:36:17,165 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 06:36:17,165 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 06:36:17,167 INFO ]: Interpolant automaton has 3 states [2018-06-22 06:36:17,183 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 06:36:17,184 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 06:36:17,187 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 06:36:17,291 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:36:17,291 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 06:36:17,292 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 06:36:17,294 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 06:36:17,295 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:36:17,305 INFO ]: With dead ends: 9 [2018-06-22 06:36:17,305 INFO ]: Without dead ends: 9 [2018-06-22 06:36:17,309 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 06:36:17,328 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 06:36:17,355 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 06:36:17,357 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 06:36:17,358 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 06:36:17,359 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 06:36:17,359 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:36:17,359 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 06:36:17,359 INFO ]: Interpolant automaton has 3 states. [2018-06-22 06:36:17,359 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 06:36:17,360 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 06:36:17,360 INFO ]: Found error trace [2018-06-22 06:36:17,360 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:36:17,360 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:36:17,361 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 06:36:17,361 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:36:17,361 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:36:17,362 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:36:17,362 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:36:17,362 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:36:17,472 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:36:18,156 WARN ]: Spent 442.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2018-06-22 06:36:18,158 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:36:18,158 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:36:18,158 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 06:36:18,165 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:36:18,418 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:36:18,439 INFO ]: Computing forward predicates... [2018-06-22 06:36:20,729 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:20,749 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:20,766 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:20,782 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:20,839 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 06:36:21,217 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 06:36:34,111 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 06:36:34,207 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 06:36:34,348 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 06:36:46,411 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 06:36:46,576 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 06:36:49,311 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 06:36:52,811 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 06:36:52,827 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 06:36:52,839 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,843 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,856 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,859 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,876 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,878 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,880 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,882 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,906 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,912 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 06:36:52,926 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,927 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,929 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,935 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,938 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,961 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,970 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,974 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:52,977 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:52,993 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:53,000 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:53,012 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:53,014 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:36:53,019 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:53,036 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 06:36:53,145 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 06:36:53,464 WARN ]: Simplifying disjunction of 31104 conjuctions. This might take some time... Received shutdown request... [2018-06-22 06:37:32,101 INFO ]: Timeout while computing interpolants [2018-06-22 06:37:32,325 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 06:37:32,325 WARN ]: Verification canceled [2018-06-22 06:37:32,330 WARN ]: Timeout [2018-06-22 06:37:32,330 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:37:32 BoogieIcfgContainer [2018-06-22 06:37:32,331 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 06:37:32,332 INFO ]: Toolchain (without parser) took 76661.55 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 227.2 MB in the beginning and 391.9 MB in the end (delta: -164.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 06:37:32,335 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 06:37:32,335 INFO ]: ChcToBoogie took 124.34 ms. Allocated memory is still 303.6 MB. Free memory was 227.2 MB in the beginning and 223.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:37:32,335 INFO ]: Boogie Preprocessor took 70.98 ms. Allocated memory is still 303.6 MB. Free memory was 223.2 MB in the beginning and 221.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:37:32,336 INFO ]: RCFGBuilder took 657.62 ms. Allocated memory was 303.6 MB in the beginning and 323.5 MB in the end (delta: 19.9 MB). Free memory was 221.3 MB in the beginning and 271.6 MB in the end (delta: -50.4 MB). Peak memory consumption was 44.6 MB. Max. memory is 3.6 GB. [2018-06-22 06:37:32,336 INFO ]: TraceAbstraction took 75798.41 ms. Allocated memory was 323.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 271.6 MB in the beginning and 391.9 MB in the end (delta: -120.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 06:37:32,349 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 124.34 ms. Allocated memory is still 303.6 MB. Free memory was 227.2 MB in the beginning and 223.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 70.98 ms. Allocated memory is still 303.6 MB. Free memory was 223.2 MB in the beginning and 221.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 657.62 ms. Allocated memory was 303.6 MB in the beginning and 323.5 MB in the end (delta: 19.9 MB). Free memory was 221.3 MB in the beginning and 271.6 MB in the end (delta: -50.4 MB). Peak memory consumption was 44.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75798.41 ms. Allocated memory was 323.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 271.6 MB in the beginning and 391.9 MB in the end (delta: -120.3 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 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 31104 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 75.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 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_12_e2_1618.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_06-37-32-360.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12_e2_1618.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_06-37-32-360.csv Completed graceful shutdown