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_1_e2_1997.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:35:05,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:35:05,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:35:05,129 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:35:05,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:35:05,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:35:05,134 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:35:05,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:35:05,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:35:05,140 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:35:05,141 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:35:05,141 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:35:05,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:35:05,143 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:35:05,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:35:05,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:35:05,147 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:35:05,149 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:35:05,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:35:05,151 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:35:05,152 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:35:05,154 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:35:05,154 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:35:05,155 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:35:05,155 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:35:05,156 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:35:05,157 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:35:05,158 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:35:05,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:35:05,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:35:05,160 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:35:05,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:35:05,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:35:05,161 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:35:05,162 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:35:05,162 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 16:35:05,176 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:35:05,176 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:35:05,176 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:35:05,176 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:35:05,177 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:35:05,178 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:35:05,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:35:05,178 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:35:05,178 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:35:05,178 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:35:05,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:35:05,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:35:05,179 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:35:05,179 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:35:05,179 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:35:05,179 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:35:05,180 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:35:05,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:35:05,180 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:35:05,181 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:35:05,182 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:35:05,229 INFO ]: Repository-Root is: /tmp [2018-06-22 16:35:05,242 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:35:05,246 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:35:05,248 INFO ]: Initializing SmtParser... [2018-06-22 16:35:05,248 INFO ]: SmtParser initialized [2018-06-22 16:35:05,249 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1_e2_1997.smt2 [2018-06-22 16:35:05,251 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 16:35:05,348 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1_e2_1997.smt2 unknown [2018-06-22 16:35:06,069 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1_e2_1997.smt2 [2018-06-22 16:35:06,078 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:35:06,087 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:35:06,088 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:35:06,088 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:35:06,088 INFO ]: ChcToBoogie initialized [2018-06-22 16:35:06,092 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:35:06" (1/1) ... [2018-06-22 16:35:06,173 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06 Unit [2018-06-22 16:35:06,173 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:35:06,174 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:35:06,174 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:35:06,174 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:35:06,201 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (1/1) ... [2018-06-22 16:35:06,201 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (1/1) ... [2018-06-22 16:35:06,226 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (1/1) ... [2018-06-22 16:35:06,226 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (1/1) ... [2018-06-22 16:35:06,248 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (1/1) ... [2018-06-22 16:35:06,261 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (1/1) ... [2018-06-22 16:35:06,276 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (1/1) ... [2018-06-22 16:35:06,290 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:35:06,290 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:35:06,290 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:35:06,290 INFO ]: RCFGBuilder initialized [2018-06-22 16:35:06,291 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (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 16:35:06,364 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:35:06,364 INFO ]: Found specification of procedure False [2018-06-22 16:35:06,364 INFO ]: Found implementation of procedure False [2018-06-22 16:35:06,364 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:35:06,364 INFO ]: Found specification of procedure state [2018-06-22 16:35:06,364 INFO ]: Found implementation of procedure state [2018-06-22 16:35:06,364 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:35:06,364 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:35:06,364 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:35:06,863 INFO ]: Using library mode [2018-06-22 16:35:06,864 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:35:06 BoogieIcfgContainer [2018-06-22 16:35:06,864 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:35:06,866 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:35:06,866 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:35:06,873 INFO ]: TraceAbstraction initialized [2018-06-22 16:35:06,873 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:35:06" (1/3) ... [2018-06-22 16:35:06,874 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c91e41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:35:06, skipping insertion in model container [2018-06-22 16:35:06,874 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:35:06" (2/3) ... [2018-06-22 16:35:06,874 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c91e41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:35:06, skipping insertion in model container [2018-06-22 16:35:06,874 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:35:06" (3/3) ... [2018-06-22 16:35:06,877 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:35:06,887 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:35:06,898 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:35:06,949 INFO ]: Using default assertion order modulation [2018-06-22 16:35:06,950 INFO ]: Interprodecural is true [2018-06-22 16:35:06,950 INFO ]: Hoare is false [2018-06-22 16:35:06,950 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:35:06,950 INFO ]: Backedges is TWOTRACK [2018-06-22 16:35:06,950 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:35:06,950 INFO ]: Difference is false [2018-06-22 16:35:06,950 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:35:06,950 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:35:06,967 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:35:06,981 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:35:06,981 INFO ]: Found error trace [2018-06-22 16:35:06,982 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:35:06,982 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:35:06,988 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:35:06,990 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:35:06,990 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:35:07,038 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:35:07,038 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:35:07,038 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:35:07,135 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:35:07,457 WARN ]: Spent 138.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 4 [2018-06-22 16:35:07,459 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:35:07,462 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:35:07,462 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:35:07,463 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:35:07,473 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:35:07,474 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:35:07,475 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:35:07,613 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:35:07,614 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:35:07,615 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:35:07,616 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:35:07,617 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:35:07,630 INFO ]: With dead ends: 13 [2018-06-22 16:35:07,630 INFO ]: Without dead ends: 13 [2018-06-22 16:35:07,632 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 16:35:07,650 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:35:07,689 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:35:07,691 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:35:07,692 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:35:07,693 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:35:07,693 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:35:07,693 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:35:07,693 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:35:07,693 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:35:07,695 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:35:07,695 INFO ]: Found error trace [2018-06-22 16:35:07,695 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:35:07,696 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:35:07,696 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:35:07,696 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:35:07,696 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:35:07,697 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:35:07,697 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:35:07,697 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:35:07,821 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:35:09,413 WARN ]: Spent 1.26 s on a formula simplification. DAG size of input: 139 DAG size of output: 64 [2018-06-22 16:35:09,446 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:35:09,446 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:35:09,446 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 16:35:09,453 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:35:09,637 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:35:09,650 INFO ]: Computing forward predicates... [2018-06-22 16:35:12,880 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:35:13,046 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 16:35:30,677 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-22 16:35:31,373 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:35:31,507 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 16:35:48,308 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-22 16:35:48,349 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:35:48,465 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:35:48,844 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:35:49,366 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,370 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,373 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:49,374 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:49,386 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:35:49,413 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,416 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:35:49,417 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:49,421 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:49,435 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,611 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,612 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,617 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,619 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,633 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:49,642 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:35:49,644 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:49,665 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:35:49,674 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:35:49,744 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:35:49,745 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:49,746 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:35:49,752 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:49,768 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:35:50,248 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:35:50,278 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:35:51,278 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 16:35:51,310 WARN ]: Simplifying disjunction of 13315 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:36:22,701 INFO ]: Timeout while computing interpolants [2018-06-22 16:36:22,902 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:36:22,902 WARN ]: Verification canceled [2018-06-22 16:36:22,906 WARN ]: Timeout [2018-06-22 16:36:22,906 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:36:22 BoogieIcfgContainer [2018-06-22 16:36:22,906 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:36:22,906 INFO ]: Toolchain (without parser) took 76828.21 ms. Allocated memory was 307.2 MB in the beginning and 566.2 MB in the end (delta: 259.0 MB). Free memory was 230.9 MB in the beginning and 313.4 MB in the end (delta: -82.5 MB). Peak memory consumption was 231.7 MB. Max. memory is 3.6 GB. [2018-06-22 16:36:22,907 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:36:22,908 INFO ]: ChcToBoogie took 85.37 ms. Allocated memory is still 307.2 MB. Free memory was 228.9 MB in the beginning and 226.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:36:22,916 INFO ]: Boogie Preprocessor took 116.19 ms. Allocated memory is still 307.2 MB. Free memory was 226.9 MB in the beginning and 224.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:36:22,917 INFO ]: RCFGBuilder took 573.63 ms. Allocated memory was 307.2 MB in the beginning and 324.5 MB in the end (delta: 17.3 MB). Free memory was 224.9 MB in the beginning and 288.0 MB in the end (delta: -63.1 MB). Peak memory consumption was 44.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:36:22,917 INFO ]: TraceAbstraction took 76040.26 ms. Allocated memory was 324.5 MB in the beginning and 566.2 MB in the end (delta: 241.7 MB). Free memory was 288.0 MB in the beginning and 313.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 271.5 MB. Max. memory is 3.6 GB. [2018-06-22 16:36:22,920 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 85.37 ms. Allocated memory is still 307.2 MB. Free memory was 228.9 MB in the beginning and 226.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 116.19 ms. Allocated memory is still 307.2 MB. Free memory was 226.9 MB in the beginning and 224.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 573.63 ms. Allocated memory was 307.2 MB in the beginning and 324.5 MB in the end (delta: 17.3 MB). Free memory was 224.9 MB in the beginning and 288.0 MB in the end (delta: -63.1 MB). Peak memory consumption was 44.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 76040.26 ms. Allocated memory was 324.5 MB in the beginning and 566.2 MB in the end (delta: 241.7 MB). Free memory was 288.0 MB in the beginning and 313.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 271.5 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 13315 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.9s 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 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_1_e2_1997.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-36-22-939.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_1_e2_1997.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-36-22-939.csv Completed graceful shutdown