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_e3_422.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:11:02,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:11:02,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:11:02,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:11:02,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:11:02,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:11:02,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:11:02,242 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:11:02,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:11:02,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:11:02,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:11:02,246 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:11:02,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:11:02,252 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:11:02,252 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:11:02,253 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:11:02,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:11:02,258 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:11:02,259 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:11:02,260 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:11:02,261 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:11:02,264 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:11:02,264 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:11:02,264 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:11:02,265 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:11:02,266 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:11:02,267 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:11:02,268 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:11:02,269 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:11:02,269 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:11:02,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:11:02,270 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:11:02,271 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:11:02,271 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:11:02,272 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:11:02,272 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:11:02,286 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:11:02,286 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:11:02,286 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:11:02,287 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:11:02,288 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:11:02,288 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:11:02,288 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:11:02,289 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:11:02,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:11:02,289 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:11:02,289 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:11:02,289 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:11:02,289 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:11:02,290 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:11:02,290 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:11:02,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:11:02,290 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:11:02,292 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:11:02,292 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:11:02,341 INFO ]: Repository-Root is: /tmp [2018-06-18 15:11:02,353 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:11:02,357 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:11:02,359 INFO ]: Initializing SmtParser... [2018-06-18 15:11:02,360 INFO ]: SmtParser initialized [2018-06-18 15:11:02,360 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e3_422.smt2 [2018-06-18 15:11:02,363 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 15:11:02,466 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e3_422.smt2 unknown [2018-06-18 15:11:03,013 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e3_422.smt2 [2018-06-18 15:11:03,018 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:11:03,024 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:11:03,024 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:11:03,024 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:11:03,025 INFO ]: ChcToBoogie initialized [2018-06-18 15:11:03,032 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:11:03" (1/1) ... [2018-06-18 15:11:03,225 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03 Unit [2018-06-18 15:11:03,225 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:11:03,226 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:11:03,226 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:11:03,226 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:11:03,250 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (1/1) ... [2018-06-18 15:11:03,251 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (1/1) ... [2018-06-18 15:11:03,268 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (1/1) ... [2018-06-18 15:11:03,268 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (1/1) ... [2018-06-18 15:11:03,278 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (1/1) ... [2018-06-18 15:11:03,279 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (1/1) ... [2018-06-18 15:11:03,283 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (1/1) ... [2018-06-18 15:11:03,287 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:11:03,288 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:11:03,288 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:11:03,288 INFO ]: RCFGBuilder initialized [2018-06-18 15:11:03,293 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (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 [2018-06-18 15:11:03,325 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:11:03,325 INFO ]: Found specification of procedure False [2018-06-18 15:11:03,325 INFO ]: Found implementation of procedure False [2018-06-18 15:11:03,325 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:11:03,325 INFO ]: Found specification of procedure state [2018-06-18 15:11:03,325 INFO ]: Found implementation of procedure state [2018-06-18 15:11:03,325 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:11:03,325 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:11:03,325 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 15:11:03,700 INFO ]: Using library mode [2018-06-18 15:11:03,701 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:11:03 BoogieIcfgContainer [2018-06-18 15:11:03,701 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:11:03,703 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:11:03,703 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:11:03,708 INFO ]: TraceAbstraction initialized [2018-06-18 15:11:03,709 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:11:03" (1/3) ... [2018-06-18 15:11:03,710 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255ba067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:11:03, skipping insertion in model container [2018-06-18 15:11:03,710 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:11:03" (2/3) ... [2018-06-18 15:11:03,710 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255ba067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:11:03, skipping insertion in model container [2018-06-18 15:11:03,710 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:11:03" (3/3) ... [2018-06-18 15:11:03,713 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:11:03,723 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:11:03,733 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:11:03,790 INFO ]: Using default assertion order modulation [2018-06-18 15:11:03,790 INFO ]: Interprodecural is true [2018-06-18 15:11:03,790 INFO ]: Hoare is false [2018-06-18 15:11:03,790 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:11:03,790 INFO ]: Backedges is TWOTRACK [2018-06-18 15:11:03,790 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:11:03,790 INFO ]: Difference is false [2018-06-18 15:11:03,790 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:11:03,790 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:11:03,814 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:11:03,835 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:11:03,836 INFO ]: Found error trace [2018-06-18 15:11:03,838 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:11:03,839 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:11:03,853 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:11:03,855 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:11:03,856 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:11:03,927 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:11:03,927 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:11:03,932 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:11:04,107 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:11:04,118 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:11:04,527 WARN ]: Spent 210.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 5 [2018-06-18 15:11:04,530 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:11:04,534 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:11:04,534 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:11:04,536 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:11:04,553 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:11:04,554 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:11:04,556 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:11:04,702 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:11:04,702 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:11:04,702 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:11:04,703 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:11:04,704 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:11:04,714 INFO ]: With dead ends: 13 [2018-06-18 15:11:04,714 INFO ]: Without dead ends: 13 [2018-06-18 15:11:04,716 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 15:11:04,729 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:11:04,751 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:11:04,752 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:11:04,753 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:11:04,754 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:11:04,755 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:11:04,755 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:11:04,755 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:11:04,755 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:11:04,762 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:11:04,762 INFO ]: Found error trace [2018-06-18 15:11:04,762 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:11:04,762 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:11:04,762 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:11:04,762 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:11:04,762 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:11:04,763 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:11:04,764 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:11:04,764 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:11:04,898 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:11:04,899 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:11:09,385 WARN ]: Spent 3.95 s on a formula simplification. DAG size of input: 312 DAG size of output: 165 [2018-06-18 15:11:09,594 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:11:09,594 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:11:09,594 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 15:11:09,602 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:11:09,714 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:11:09,729 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 15:12:09,768 INFO ]: Timeout while computing interpolants [2018-06-18 15:12:09,969 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:12:09,970 WARN ]: Verification canceled [2018-06-18 15:12:09,973 WARN ]: Timeout [2018-06-18 15:12:09,973 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:12:09 BoogieIcfgContainer [2018-06-18 15:12:09,974 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:12:09,974 INFO ]: Toolchain (without parser) took 66955.42 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 240.6 MB in the beginning and 882.9 MB in the end (delta: -642.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:12:09,975 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:12:09,976 INFO ]: ChcToBoogie took 201.04 ms. Allocated memory is still 305.1 MB. Free memory was 240.6 MB in the beginning and 234.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:12:09,976 INFO ]: Boogie Preprocessor took 61.47 ms. Allocated memory is still 305.1 MB. Free memory was 234.6 MB in the beginning and 233.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-18 15:12:09,977 INFO ]: RCFGBuilder took 413.24 ms. Allocated memory is still 305.1 MB. Free memory was 233.6 MB in the beginning and 203.3 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 3.6 GB. [2018-06-18 15:12:09,977 INFO ]: TraceAbstraction took 66270.68 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 203.3 MB in the beginning and 882.9 MB in the end (delta: -679.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:12:09,991 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 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 201.04 ms. Allocated memory is still 305.1 MB. Free memory was 240.6 MB in the beginning and 234.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 61.47 ms. Allocated memory is still 305.1 MB. Free memory was 234.6 MB in the beginning and 233.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 413.24 ms. Allocated memory is still 305.1 MB. Free memory was 233.6 MB in the beginning and 203.3 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 66270.68 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 203.3 MB in the beginning and 882.9 MB in the end (delta: -679.5 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 58 quantified variables from 78 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 66.1s 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, 0.4s 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_e3_422.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-12-10-010.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_4_e3_3511_e3_422.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-12-10-010.csv Completed graceful shutdown