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_e3_382_e1_505.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:19:18,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:19:18,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:19:18,546 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:19:18,546 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:19:18,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:19:18,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:19:18,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:19:18,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:19:18,557 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:19:18,558 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:19:18,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:19:18,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:19:18,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:19:18,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:19:18,571 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:19:18,575 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:19:18,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:19:18,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:19:18,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:19:18,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:19:18,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:19:18,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:19:18,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:19:18,590 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:19:18,592 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:19:18,593 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:19:18,593 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:19:18,594 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:19:18,594 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:19:18,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:19:18,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:19:18,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:19:18,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:19:18,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:19:18,601 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 16:19:18,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:19:18,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:19:18,623 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:19:18,623 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:19:18,624 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:19:18,624 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:19:18,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:19:18,625 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:19:18,625 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:19:18,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:19:18,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:19:18,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:19:18,626 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:19:18,626 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:19:18,626 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:19:18,627 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:19:18,627 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:19:18,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:19:18,627 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:19:18,630 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:19:18,630 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:19:18,680 INFO ]: Repository-Root is: /tmp [2018-06-22 16:19:18,694 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:19:18,697 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:19:18,700 INFO ]: Initializing SmtParser... [2018-06-22 16:19:18,700 INFO ]: SmtParser initialized [2018-06-22 16:19:18,700 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e3_382_e1_505.smt2 [2018-06-22 16:19:18,702 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 16:19:18,815 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e3_382_e1_505.smt2 unknown [2018-06-22 16:19:19,483 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e3_382_e1_505.smt2 [2018-06-22 16:19:19,487 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:19:19,495 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:19:19,495 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:19:19,495 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:19:19,496 INFO ]: ChcToBoogie initialized [2018-06-22 16:19:19,499 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:19:19" (1/1) ... [2018-06-22 16:19:19,564 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19 Unit [2018-06-22 16:19:19,564 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:19:19,564 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:19:19,564 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:19:19,564 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:19:19,596 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (1/1) ... [2018-06-22 16:19:19,596 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (1/1) ... [2018-06-22 16:19:19,624 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (1/1) ... [2018-06-22 16:19:19,624 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (1/1) ... [2018-06-22 16:19:19,644 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (1/1) ... [2018-06-22 16:19:19,646 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (1/1) ... [2018-06-22 16:19:19,653 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (1/1) ... [2018-06-22 16:19:19,658 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:19:19,659 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:19:19,659 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:19:19,659 INFO ]: RCFGBuilder initialized [2018-06-22 16:19:19,660 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:19:19,676 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:19:19,676 INFO ]: Found specification of procedure False [2018-06-22 16:19:19,676 INFO ]: Found implementation of procedure False [2018-06-22 16:19:19,676 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:19:19,676 INFO ]: Found specification of procedure state [2018-06-22 16:19:19,676 INFO ]: Found implementation of procedure state [2018-06-22 16:19:19,676 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:19:19,676 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:19:19,676 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:19:20,229 INFO ]: Using library mode [2018-06-22 16:19:20,229 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:19:20 BoogieIcfgContainer [2018-06-22 16:19:20,229 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:19:20,230 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:19:20,230 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:19:20,235 INFO ]: TraceAbstraction initialized [2018-06-22 16:19:20,235 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:19:19" (1/3) ... [2018-06-22 16:19:20,236 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e730079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:19:20, skipping insertion in model container [2018-06-22 16:19:20,236 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:19" (2/3) ... [2018-06-22 16:19:20,236 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e730079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:19:20, skipping insertion in model container [2018-06-22 16:19:20,236 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:19:20" (3/3) ... [2018-06-22 16:19:20,239 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:19:20,247 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:19:20,256 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:19:20,302 INFO ]: Using default assertion order modulation [2018-06-22 16:19:20,303 INFO ]: Interprodecural is true [2018-06-22 16:19:20,303 INFO ]: Hoare is false [2018-06-22 16:19:20,303 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:19:20,303 INFO ]: Backedges is TWOTRACK [2018-06-22 16:19:20,303 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:19:20,303 INFO ]: Difference is false [2018-06-22 16:19:20,303 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:19:20,303 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:19:20,317 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:19:20,335 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:19:20,335 INFO ]: Found error trace [2018-06-22 16:19:20,336 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:19:20,336 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:19:20,341 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:19:20,343 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:19:20,343 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:19:20,390 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:19:20,390 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:19:20,390 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:19:20,519 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:19:20,867 WARN ]: Spent 107.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 1 [2018-06-22 16:19:20,869 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:19:20,880 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:19:20,881 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:19:20,882 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:19:20,896 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:19:20,896 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:19:20,899 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:19:21,034 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:19:21,034 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:19:21,035 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:19:21,036 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:19:21,037 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:19:21,051 INFO ]: With dead ends: 13 [2018-06-22 16:19:21,051 INFO ]: Without dead ends: 13 [2018-06-22 16:19:21,053 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:19:21,072 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:19:21,101 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:19:21,102 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:19:21,103 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:19:21,104 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:19:21,104 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:19:21,104 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:19:21,104 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:19:21,104 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:19:21,106 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:19:21,106 INFO ]: Found error trace [2018-06-22 16:19:21,106 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:19:21,106 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:19:21,106 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:19:21,106 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:19:21,106 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:19:21,107 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:19:21,107 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:19:21,107 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:19:21,320 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:19:23,037 WARN ]: Spent 1.40 s on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2018-06-22 16:19:23,101 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:19:23,101 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:19:23,101 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 16:19:23,108 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:19:23,311 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:19:23,328 INFO ]: Computing forward predicates... [2018-06-22 16:19:23,855 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:19:24,360 WARN ]: Simplifying disjunction of 15552 conjuctions. This might take some time... [2018-06-22 16:20:12,323 INFO ]: Simplified to disjunction of 15552 conjuctions. [2018-06-22 16:20:12,547 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:13,767 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:14,729 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:14,815 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:20:20,328 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:20:20,357 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:20:20,394 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:20:20,430 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:20:20,438 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:20:20,720 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:20,763 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:20:28,046 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:20:28,111 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:20:30,315 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:20:30,352 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 16:20:31,492 WARN ]: Simplifying disjunction of 93312 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:20:38,313 INFO ]: Timeout while computing interpolants [2018-06-22 16:20:38,514 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:20:38,514 WARN ]: Verification canceled [2018-06-22 16:20:38,519 WARN ]: Timeout [2018-06-22 16:20:38,519 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:20:38 BoogieIcfgContainer [2018-06-22 16:20:38,519 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:20:38,523 INFO ]: Toolchain (without parser) took 79035.34 ms. Allocated memory was 306.2 MB in the beginning and 649.1 MB in the end (delta: 342.9 MB). Free memory was 227.7 MB in the beginning and 504.2 MB in the end (delta: -276.5 MB). Peak memory consumption was 340.6 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:38,524 INFO ]: SmtParser took 0.05 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 16:20:38,524 INFO ]: ChcToBoogie took 68.57 ms. Allocated memory is still 306.2 MB. Free memory was 227.7 MB in the beginning and 223.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:38,525 INFO ]: Boogie Preprocessor took 94.00 ms. Allocated memory is still 306.2 MB. Free memory was 223.7 MB in the beginning and 221.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:38,525 INFO ]: RCFGBuilder took 570.64 ms. Allocated memory was 306.2 MB in the beginning and 323.5 MB in the end (delta: 17.3 MB). Free memory was 221.7 MB in the beginning and 283.7 MB in the end (delta: -62.1 MB). Peak memory consumption was 42.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:38,526 INFO ]: TraceAbstraction took 78288.78 ms. Allocated memory was 323.5 MB in the beginning and 649.1 MB in the end (delta: 325.6 MB). Free memory was 283.7 MB in the beginning and 504.2 MB in the end (delta: -220.4 MB). Peak memory consumption was 379.3 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:38,529 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 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 68.57 ms. Allocated memory is still 306.2 MB. Free memory was 227.7 MB in the beginning and 223.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 94.00 ms. Allocated memory is still 306.2 MB. Free memory was 223.7 MB in the beginning and 221.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 570.64 ms. Allocated memory was 306.2 MB in the beginning and 323.5 MB in the end (delta: 17.3 MB). Free memory was 221.7 MB in the beginning and 283.7 MB in the end (delta: -62.1 MB). Peak memory consumption was 42.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78288.78 ms. Allocated memory was 323.5 MB in the beginning and 649.1 MB in the end (delta: 325.6 MB). Free memory was 283.7 MB in the beginning and 504.2 MB in the end (delta: -220.4 MB). Peak memory consumption was 379.3 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, 78.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s 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, 0.2s 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_e3_382_e1_505.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-20-38-544.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e3_382_e1_505.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-20-38-544.csv Completed graceful shutdown