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_e2_1678_e1_3565.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:17:54,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:17:54,152 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:17:54,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:17:54,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:17:54,167 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:17:54,169 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:17:54,172 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:17:54,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:17:54,175 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:17:54,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:17:54,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:17:54,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:17:54,180 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:17:54,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:17:54,185 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:17:54,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:17:54,199 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:17:54,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:17:54,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:17:54,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:17:54,205 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:17:54,205 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:17:54,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:17:54,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:17:54,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:17:54,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:17:54,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:17:54,213 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:17:54,213 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:17:54,214 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:17:54,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:17:54,215 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:17:54,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:17:54,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:17:54,221 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 16:17:54,241 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:17:54,242 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:17:54,242 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:17:54,242 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:17:54,243 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:17:54,243 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:17:54,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:17:54,244 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:17:54,244 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:17:54,244 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:17:54,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:17:54,247 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:17:54,248 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:17:54,248 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:17:54,248 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:17:54,248 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:17:54,248 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:17:54,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:17:54,249 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:17:54,250 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:17:54,250 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:17:54,308 INFO ]: Repository-Root is: /tmp [2018-06-22 16:17:54,322 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:17:54,329 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:17:54,331 INFO ]: Initializing SmtParser... [2018-06-22 16:17:54,331 INFO ]: SmtParser initialized [2018-06-22 16:17:54,332 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_1678_e1_3565.smt2 [2018-06-22 16:17:54,333 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 16:17:54,426 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_1678_e1_3565.smt2 unknown [2018-06-22 16:17:55,144 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_1678_e1_3565.smt2 [2018-06-22 16:17:55,149 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:17:55,163 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:17:55,163 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:17:55,164 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:17:55,164 INFO ]: ChcToBoogie initialized [2018-06-22 16:17:55,169 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:17:55" (1/1) ... [2018-06-22 16:17:55,261 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55 Unit [2018-06-22 16:17:55,262 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:17:55,262 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:17:55,262 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:17:55,262 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:17:55,286 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (1/1) ... [2018-06-22 16:17:55,286 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (1/1) ... [2018-06-22 16:17:55,314 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (1/1) ... [2018-06-22 16:17:55,314 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (1/1) ... [2018-06-22 16:17:55,337 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (1/1) ... [2018-06-22 16:17:55,338 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (1/1) ... [2018-06-22 16:17:55,342 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (1/1) ... [2018-06-22 16:17:55,354 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:17:55,354 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:17:55,354 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:17:55,355 INFO ]: RCFGBuilder initialized [2018-06-22 16:17:55,358 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (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 16:17:55,369 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:17:55,370 INFO ]: Found specification of procedure False [2018-06-22 16:17:55,370 INFO ]: Found implementation of procedure False [2018-06-22 16:17:55,370 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:17:55,370 INFO ]: Found specification of procedure state [2018-06-22 16:17:55,370 INFO ]: Found implementation of procedure state [2018-06-22 16:17:55,370 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:17:55,370 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:17:55,370 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 16:17:55,950 INFO ]: Using library mode [2018-06-22 16:17:55,950 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:17:55 BoogieIcfgContainer [2018-06-22 16:17:55,951 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:17:55,952 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:17:55,952 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:17:55,961 INFO ]: TraceAbstraction initialized [2018-06-22 16:17:55,961 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:17:55" (1/3) ... [2018-06-22 16:17:55,962 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6751dace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:17:55, skipping insertion in model container [2018-06-22 16:17:55,962 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:55" (2/3) ... [2018-06-22 16:17:55,962 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6751dace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:17:55, skipping insertion in model container [2018-06-22 16:17:55,962 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:17:55" (3/3) ... [2018-06-22 16:17:55,964 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:17:55,974 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:17:55,987 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:17:56,042 INFO ]: Using default assertion order modulation [2018-06-22 16:17:56,042 INFO ]: Interprodecural is true [2018-06-22 16:17:56,042 INFO ]: Hoare is false [2018-06-22 16:17:56,042 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:17:56,042 INFO ]: Backedges is TWOTRACK [2018-06-22 16:17:56,042 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:17:56,042 INFO ]: Difference is false [2018-06-22 16:17:56,042 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:17:56,042 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:17:56,055 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:17:56,066 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:17:56,067 INFO ]: Found error trace [2018-06-22 16:17:56,068 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:17:56,068 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:17:56,073 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:17:56,075 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:17:56,076 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:17:56,114 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:17:56,114 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:17:56,114 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:17:56,217 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:17:56,505 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:17:56,507 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:17:56,507 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:17:56,509 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:17:56,519 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:17:56,520 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:17:56,522 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:17:56,680 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:17:56,680 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:17:56,681 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:17:56,683 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:17:56,683 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:17:56,698 INFO ]: With dead ends: 13 [2018-06-22 16:17:56,698 INFO ]: Without dead ends: 13 [2018-06-22 16:17:56,701 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 16:17:56,721 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:17:56,761 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:17:56,766 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:17:56,766 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:17:56,768 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:17:56,768 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:17:56,768 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:17:56,768 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:17:56,768 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:17:56,770 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:17:56,770 INFO ]: Found error trace [2018-06-22 16:17:56,770 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:17:56,770 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:17:56,771 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:17:56,771 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:17:56,771 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:17:56,771 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:17:56,771 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:17:56,771 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:17:56,923 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:17:57,863 WARN ]: Spent 561.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2018-06-22 16:17:57,960 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:17:57,960 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:17:57,960 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 16:17:57,969 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:17:58,147 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:17:58,164 INFO ]: Computing forward predicates... [2018-06-22 16:17:58,685 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:17:59,576 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:17:59,659 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:18:05,440 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:18:05,495 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:18:05,657 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:18:13,867 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:18:13,910 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:18:14,667 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:18:14,681 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:18:14,697 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:18:14,722 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:18:14,935 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:18:17,100 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:18:17,126 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:18:17,310 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 16:18:27,227 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 16:18:27,275 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 16:18:28,001 WARN ]: Simplifying disjunction of 93312 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:19:15,022 INFO ]: Timeout while computing interpolants [2018-06-22 16:19:15,243 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:19:15,243 WARN ]: Verification canceled [2018-06-22 16:19:15,247 WARN ]: Timeout [2018-06-22 16:19:15,247 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:19:15 BoogieIcfgContainer [2018-06-22 16:19:15,247 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:19:15,248 INFO ]: Toolchain (without parser) took 80098.30 ms. Allocated memory was 304.1 MB in the beginning and 595.6 MB in the end (delta: 291.5 MB). Free memory was 226.7 MB in the beginning and 341.3 MB in the end (delta: -114.6 MB). Peak memory consumption was 240.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:19:15,249 INFO ]: SmtParser took 0.56 ms. Allocated memory is still 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:19:15,249 INFO ]: ChcToBoogie took 98.51 ms. Allocated memory is still 304.1 MB. Free memory was 226.7 MB in the beginning and 223.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:19:15,249 INFO ]: Boogie Preprocessor took 91.50 ms. Allocated memory is still 304.1 MB. Free memory was 223.7 MB in the beginning and 220.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:19:15,250 INFO ]: RCFGBuilder took 596.10 ms. Allocated memory was 304.1 MB in the beginning and 324.5 MB in the end (delta: 20.4 MB). Free memory was 220.7 MB in the beginning and 285.8 MB in the end (delta: -65.1 MB). Peak memory consumption was 43.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:19:15,250 INFO ]: TraceAbstraction took 79295.22 ms. Allocated memory was 324.5 MB in the beginning and 595.6 MB in the end (delta: 271.1 MB). Free memory was 285.8 MB in the beginning and 341.3 MB in the end (delta: -55.5 MB). Peak memory consumption was 278.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:19:15,255 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.56 ms. Allocated memory is still 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 98.51 ms. Allocated memory is still 304.1 MB. Free memory was 226.7 MB in the beginning and 223.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 91.50 ms. Allocated memory is still 304.1 MB. Free memory was 223.7 MB in the beginning and 220.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 596.10 ms. Allocated memory was 304.1 MB in the beginning and 324.5 MB in the end (delta: 20.4 MB). Free memory was 220.7 MB in the beginning and 285.8 MB in the end (delta: -65.1 MB). Peak memory consumption was 43.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79295.22 ms. Allocated memory was 324.5 MB in the beginning and 595.6 MB in the end (delta: 271.1 MB). Free memory was 285.8 MB in the beginning and 341.3 MB in the end (delta: -55.5 MB). Peak memory consumption was 278.8 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, 79.2s 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, 0.1s 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e2_1678_e1_3565.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-19-15-274.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e2_1678_e1_3565.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-19-15-274.csv Completed graceful shutdown