java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e7_2326.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:37:07,193 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:37:07,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:37:07,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:37:07,212 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:37:07,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:37:07,214 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:37:07,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:37:07,222 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:37:07,222 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:37:07,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:37:07,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:37:07,227 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:37:07,230 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:37:07,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:37:07,231 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:37:07,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:37:07,247 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:37:07,249 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:37:07,250 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:37:07,251 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:37:07,253 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:37:07,253 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:37:07,254 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:37:07,259 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:37:07,260 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:37:07,261 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:37:07,261 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:37:07,263 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:37:07,263 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:37:07,264 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:37:07,264 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:37:07,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:37:07,265 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:37:07,266 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:37:07,266 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:37:07,287 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:37:07,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:37:07,290 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:37:07,290 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:37:07,291 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:37:07,292 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:37:07,292 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:37:07,292 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:37:07,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:37:07,292 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:37:07,293 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:37:07,296 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:37:07,297 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:37:07,297 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:37:07,297 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:37:07,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:37:07,297 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:37:07,299 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:37:07,299 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:37:07,354 INFO ]: Repository-Root is: /tmp [2018-06-18 14:37:07,377 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:37:07,382 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:37:07,383 INFO ]: Initializing SmtParser... [2018-06-18 14:37:07,384 INFO ]: SmtParser initialized [2018-06-18 14:37:07,384 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e7_2326.smt2 [2018-06-18 14:37:07,386 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 [2018-06-18 14:37:07,487 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e7_2326.smt2 unknown [2018-06-18 14:37:08,105 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e7_2326.smt2 [2018-06-18 14:37:08,110 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:37:08,116 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:37:08,116 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:37:08,116 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:37:08,117 INFO ]: ChcToBoogie initialized [2018-06-18 14:37:08,124 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:37:08" (1/1) ... [2018-06-18 14:37:08,330 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08 Unit [2018-06-18 14:37:08,330 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:37:08,331 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:37:08,331 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:37:08,331 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:37:08,359 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (1/1) ... [2018-06-18 14:37:08,359 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (1/1) ... [2018-06-18 14:37:08,385 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (1/1) ... [2018-06-18 14:37:08,385 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (1/1) ... [2018-06-18 14:37:08,398 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (1/1) ... [2018-06-18 14:37:08,399 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (1/1) ... [2018-06-18 14:37:08,405 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (1/1) ... [2018-06-18 14:37:08,411 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:37:08,422 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:37:08,422 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:37:08,422 INFO ]: RCFGBuilder initialized [2018-06-18 14:37:08,423 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (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) [2018-06-18 14:37:08,436 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:37:08,437 INFO ]: Found specification of procedure False [2018-06-18 14:37:08,437 INFO ]: Found implementation of procedure False [2018-06-18 14:37:08,437 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:37:08,437 INFO ]: Found specification of procedure state [2018-06-18 14:37:08,437 INFO ]: Found implementation of procedure state [2018-06-18 14:37:08,437 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:37:08,437 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:37:08,437 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 [2018-06-18 14:37:08,979 INFO ]: Using library mode [2018-06-18 14:37:08,981 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:37:08 BoogieIcfgContainer [2018-06-18 14:37:08,981 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:37:08,983 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:37:08,983 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:37:08,989 INFO ]: TraceAbstraction initialized [2018-06-18 14:37:08,990 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:37:08" (1/3) ... [2018-06-18 14:37:08,991 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:37:08, skipping insertion in model container [2018-06-18 14:37:08,991 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:37:08" (2/3) ... [2018-06-18 14:37:08,991 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:37:08, skipping insertion in model container [2018-06-18 14:37:08,991 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:37:08" (3/3) ... [2018-06-18 14:37:08,994 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:37:09,005 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:37:09,015 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:37:09,073 INFO ]: Using default assertion order modulation [2018-06-18 14:37:09,075 INFO ]: Interprodecural is true [2018-06-18 14:37:09,075 INFO ]: Hoare is false [2018-06-18 14:37:09,075 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:37:09,075 INFO ]: Backedges is TWOTRACK [2018-06-18 14:37:09,075 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:37:09,075 INFO ]: Difference is false [2018-06-18 14:37:09,075 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:37:09,075 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:37:09,095 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:37:09,108 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:37:09,108 INFO ]: Found error trace [2018-06-18 14:37:09,110 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:37:09,112 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:37:09,118 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:37:09,120 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:37:09,120 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:37:09,178 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:37:09,178 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:37:09,178 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:37:09,339 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:37:09,350 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:37:09,655 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:37:09,662 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:37:09,663 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:37:09,664 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:37:09,675 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:37:09,676 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:37:09,678 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:37:09,825 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:37:09,825 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:37:09,827 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:37:09,828 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:37:09,829 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:37:09,843 INFO ]: With dead ends: 13 [2018-06-18 14:37:09,844 INFO ]: Without dead ends: 13 [2018-06-18 14:37:09,846 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 [2018-06-18 14:37:09,867 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:37:09,904 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:37:09,905 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:37:09,906 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:37:09,908 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:37:09,908 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:37:09,908 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:37:09,908 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:37:09,908 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:37:09,909 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:37:09,909 INFO ]: Found error trace [2018-06-18 14:37:09,909 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:37:09,909 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:37:09,909 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:37:09,909 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:37:09,909 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:37:09,910 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:37:09,910 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:37:09,910 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:37:10,067 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:37:10,068 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:37:12,310 WARN ]: Spent 1.91 s on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2018-06-18 14:37:12,353 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:37:12,353 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:37:12,353 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 [2018-06-18 14:37:12,362 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:37:12,549 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:37:12,564 INFO ]: Computing forward predicates... [2018-06-18 14:37:13,718 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:37:13,796 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:37:14,914 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 14:37:15,480 WARN ]: Simplifying disjunction of 13824 conjuctions. This might take some time... [2018-06-18 14:38:02,936 INFO ]: Simplified to disjunction of 13824 conjuctions. [2018-06-18 14:38:02,997 WARN ]: expecting exponential blowup for input size 15 [2018-06-18 14:38:03,007 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:38:03,054 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 14:38:03,181 WARN ]: Simplifying disjunction of 13824 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:38:25,608 INFO ]: Timeout while computing interpolants [2018-06-18 14:38:25,809 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:38:25,809 WARN ]: Verification canceled [2018-06-18 14:38:25,813 WARN ]: Timeout [2018-06-18 14:38:25,813 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:38:25 BoogieIcfgContainer [2018-06-18 14:38:25,813 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:38:25,815 INFO ]: Toolchain (without parser) took 77704.53 ms. Allocated memory was 305.1 MB in the beginning and 439.4 MB in the end (delta: 134.2 MB). Free memory was 227.7 MB in the beginning and 275.0 MB in the end (delta: -47.2 MB). Peak memory consumption was 147.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:38:25,816 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:38:25,817 INFO ]: ChcToBoogie took 214.39 ms. Allocated memory is still 305.1 MB. Free memory was 227.7 MB in the beginning and 220.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:38:25,817 INFO ]: Boogie Preprocessor took 79.84 ms. Allocated memory is still 305.1 MB. Free memory was 220.8 MB in the beginning and 218.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:38:25,826 INFO ]: RCFGBuilder took 559.38 ms. Allocated memory was 305.1 MB in the beginning and 324.0 MB in the end (delta: 18.9 MB). Free memory was 218.8 MB in the beginning and 282.3 MB in the end (delta: -63.5 MB). Peak memory consumption was 40.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:38:25,827 INFO ]: TraceAbstraction took 76830.59 ms. Allocated memory was 324.0 MB in the beginning and 439.4 MB in the end (delta: 115.3 MB). Free memory was 282.3 MB in the beginning and 275.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 183.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:38:25,830 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 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 214.39 ms. Allocated memory is still 305.1 MB. Free memory was 227.7 MB in the beginning and 220.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 79.84 ms. Allocated memory is still 305.1 MB. Free memory was 220.8 MB in the beginning and 218.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 559.38 ms. Allocated memory was 305.1 MB in the beginning and 324.0 MB in the end (delta: 18.9 MB). Free memory was 218.8 MB in the beginning and 282.3 MB in the end (delta: -63.5 MB). Peak memory consumption was 40.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 76830.59 ms. Allocated memory was 324.0 MB in the beginning and 439.4 MB in the end (delta: 115.3 MB). Free memory was 282.3 MB in the beginning and 275.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 183.1 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 13824 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 76.7s 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, 0.1s 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_5_e7_2017_e7_2326.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-38-25-850.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e7_2017_e7_2326.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-38-25-850.csv Completed graceful shutdown