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/FIREFLY_4_e3_3511_e6_1826.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:12:13,135 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:12:13,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:12:13,152 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:12:13,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:12:13,153 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:12:13,154 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:12:13,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:12:13,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:12:13,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:12:13,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:12:13,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:12:13,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:12:13,167 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:12:13,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:12:13,171 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:12:13,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:12:13,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:12:13,186 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:12:13,187 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:12:13,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:12:13,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:12:13,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:12:13,191 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:12:13,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:12:13,197 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:12:13,197 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:12:13,198 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:12:13,199 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:12:13,199 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:12:13,204 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:12:13,205 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:12:13,205 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:12:13,206 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:12:13,206 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:12:13,207 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:12:13,228 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:12:13,228 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:12:13,229 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:12:13,229 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:12:13,230 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:12:13,230 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:12:13,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:12:13,234 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:12:13,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:12:13,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:12:13,234 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:12:13,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:12:13,235 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:12:13,235 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:12:13,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:12:13,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:12:13,236 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:12:13,238 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:12:13,238 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:12:13,291 INFO ]: Repository-Root is: /tmp [2018-06-18 15:12:13,311 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:12:13,319 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:12:13,320 INFO ]: Initializing SmtParser... [2018-06-18 15:12:13,321 INFO ]: SmtParser initialized [2018-06-18 15:12:13,321 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e6_1826.smt2 [2018-06-18 15:12:13,323 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 15:12:13,416 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e6_1826.smt2 unknown [2018-06-18 15:12:13,977 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e6_1826.smt2 [2018-06-18 15:12:13,982 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:12:13,987 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:12:13,988 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:12:13,988 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:12:13,988 INFO ]: ChcToBoogie initialized [2018-06-18 15:12:13,999 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:12:13" (1/1) ... [2018-06-18 15:12:14,094 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14 Unit [2018-06-18 15:12:14,094 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:12:14,097 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:12:14,097 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:12:14,097 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:12:14,119 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (1/1) ... [2018-06-18 15:12:14,119 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (1/1) ... [2018-06-18 15:12:14,147 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (1/1) ... [2018-06-18 15:12:14,147 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (1/1) ... [2018-06-18 15:12:14,165 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (1/1) ... [2018-06-18 15:12:14,167 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (1/1) ... [2018-06-18 15:12:14,170 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (1/1) ... [2018-06-18 15:12:14,183 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:12:14,183 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:12:14,183 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:12:14,183 INFO ]: RCFGBuilder initialized [2018-06-18 15:12:14,184 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (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 15:12:14,197 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:12:14,197 INFO ]: Found specification of procedure False [2018-06-18 15:12:14,197 INFO ]: Found implementation of procedure False [2018-06-18 15:12:14,197 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:12:14,198 INFO ]: Found specification of procedure state [2018-06-18 15:12:14,198 INFO ]: Found implementation of procedure state [2018-06-18 15:12:14,198 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:12:14,198 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:12:14,198 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 15:12:14,714 INFO ]: Using library mode [2018-06-18 15:12:14,715 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:12:14 BoogieIcfgContainer [2018-06-18 15:12:14,715 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:12:14,716 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:12:14,717 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:12:14,720 INFO ]: TraceAbstraction initialized [2018-06-18 15:12:14,720 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:12:13" (1/3) ... [2018-06-18 15:12:14,721 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294e23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:12:14, skipping insertion in model container [2018-06-18 15:12:14,721 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:12:14" (2/3) ... [2018-06-18 15:12:14,721 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294e23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:12:14, skipping insertion in model container [2018-06-18 15:12:14,721 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:12:14" (3/3) ... [2018-06-18 15:12:14,723 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:12:14,734 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:12:14,742 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:12:14,794 INFO ]: Using default assertion order modulation [2018-06-18 15:12:14,795 INFO ]: Interprodecural is true [2018-06-18 15:12:14,795 INFO ]: Hoare is false [2018-06-18 15:12:14,795 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:12:14,795 INFO ]: Backedges is TWOTRACK [2018-06-18 15:12:14,795 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:12:14,795 INFO ]: Difference is false [2018-06-18 15:12:14,795 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:12:14,795 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:12:14,814 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:12:14,833 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:12:14,833 INFO ]: Found error trace [2018-06-18 15:12:14,835 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:12:14,835 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:12:14,840 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:12:14,842 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:12:14,843 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:12:14,899 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:12:14,899 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:12:14,899 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:12:15,037 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:12:15,049 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:12:15,432 WARN ]: Spent 159.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 5 [2018-06-18 15:12:15,435 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:12:15,437 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:12:15,437 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:12:15,439 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:12:15,450 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:12:15,450 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:12:15,453 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:12:15,607 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:12:15,607 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:12:15,608 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:12:15,610 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:12:15,610 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:12:15,625 INFO ]: With dead ends: 13 [2018-06-18 15:12:15,625 INFO ]: Without dead ends: 13 [2018-06-18 15:12:15,627 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 [2018-06-18 15:12:15,647 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:12:15,689 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:12:15,690 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:12:15,691 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:12:15,692 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:12:15,692 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:12:15,692 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:12:15,692 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:12:15,692 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:12:15,695 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:12:15,695 INFO ]: Found error trace [2018-06-18 15:12:15,695 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:12:15,695 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:12:15,695 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:12:15,695 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:12:15,696 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:12:15,696 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:12:15,696 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:12:15,696 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:12:15,862 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:12:15,863 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:12:19,692 WARN ]: Spent 3.28 s on a formula simplification. DAG size of input: 329 DAG size of output: 187 [2018-06-18 15:12:19,876 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:12:19,876 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:12:19,876 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 15:12:19,892 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:12:20,007 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:12:20,024 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 15:13:23,704 INFO ]: Timeout while computing interpolants [2018-06-18 15:13:23,905 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:13:23,905 WARN ]: Verification canceled [2018-06-18 15:13:23,909 WARN ]: Timeout [2018-06-18 15:13:23,910 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:13:23 BoogieIcfgContainer [2018-06-18 15:13:23,910 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:13:23,911 INFO ]: Toolchain (without parser) took 69928.23 ms. Allocated memory was 304.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 240.0 MB in the beginning and 1.1 GB in the end (delta: -878.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:13:23,912 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:13:23,912 INFO ]: ChcToBoogie took 106.60 ms. Allocated memory is still 304.6 MB. Free memory was 240.0 MB in the beginning and 234.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:13:23,913 INFO ]: Boogie Preprocessor took 85.43 ms. Allocated memory is still 304.6 MB. Free memory was 234.0 MB in the beginning and 233.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-18 15:13:23,913 INFO ]: RCFGBuilder took 531.69 ms. Allocated memory is still 304.6 MB. Free memory was 233.0 MB in the beginning and 203.0 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:13:23,922 INFO ]: TraceAbstraction took 69193.14 ms. Allocated memory was 304.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 203.0 MB in the beginning and 1.1 GB in the end (delta: -915.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:13:23,925 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 106.60 ms. Allocated memory is still 304.6 MB. Free memory was 240.0 MB in the beginning and 234.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 85.43 ms. Allocated memory is still 304.6 MB. Free memory was 234.0 MB in the beginning and 233.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 531.69 ms. Allocated memory is still 304.6 MB. Free memory was 233.0 MB in the beginning and 203.0 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69193.14 ms. Allocated memory was 304.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 203.0 MB in the beginning and 1.1 GB in the end (delta: -915.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 55 quantified variables from 76 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.1s 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, 136 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/FIREFLY_4_e3_3511_e6_1826.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-13-23-947.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_4_e3_3511_e6_1826.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-13-23-947.csv Completed graceful shutdown