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_4_e3_1540_e1_5048.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:32:02,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:32:02,342 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:32:02,356 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:32:02,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:32:02,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:32:02,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:32:02,363 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:32:02,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:32:02,366 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:32:02,367 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:32:02,367 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:32:02,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:32:02,371 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:32:02,371 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:32:02,372 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:32:02,374 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:32:02,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:32:02,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:32:02,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:32:02,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:32:02,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:32:02,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:32:02,392 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:32:02,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:32:02,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:32:02,396 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:32:02,397 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:32:02,397 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:32:02,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:32:02,398 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:32:02,402 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:32:02,402 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:32:02,403 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:32:02,404 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:32:02,404 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:32:02,424 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:32:02,424 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:32:02,424 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:32:02,424 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:32:02,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:32:02,426 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:32:02,426 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:32:02,426 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:32:02,426 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:32:02,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:32:02,429 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:32:02,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:32:02,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:32:02,430 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:32:02,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:32:02,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:32:02,430 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:32:02,432 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:32:02,432 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:32:02,484 INFO ]: Repository-Root is: /tmp [2018-06-18 14:32:02,496 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:32:02,500 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:32:02,501 INFO ]: Initializing SmtParser... [2018-06-18 14:32:02,501 INFO ]: SmtParser initialized [2018-06-18 14:32:02,502 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_1540_e1_5048.smt2 [2018-06-18 14:32:02,503 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 14:32:02,595 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_1540_e1_5048.smt2 unknown [2018-06-18 14:32:03,251 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_1540_e1_5048.smt2 [2018-06-18 14:32:03,255 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:32:03,260 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:32:03,261 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:32:03,261 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:32:03,261 INFO ]: ChcToBoogie initialized [2018-06-18 14:32:03,267 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:32:03" (1/1) ... [2018-06-18 14:32:03,416 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03 Unit [2018-06-18 14:32:03,417 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:32:03,417 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:32:03,417 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:32:03,417 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:32:03,440 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (1/1) ... [2018-06-18 14:32:03,440 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (1/1) ... [2018-06-18 14:32:03,459 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (1/1) ... [2018-06-18 14:32:03,459 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (1/1) ... [2018-06-18 14:32:03,471 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (1/1) ... [2018-06-18 14:32:03,473 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (1/1) ... [2018-06-18 14:32:03,478 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (1/1) ... [2018-06-18 14:32:03,484 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:32:03,485 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:32:03,485 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:32:03,485 INFO ]: RCFGBuilder initialized [2018-06-18 14:32:03,486 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (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) [2018-06-18 14:32:03,500 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:32:03,500 INFO ]: Found specification of procedure False [2018-06-18 14:32:03,500 INFO ]: Found implementation of procedure False [2018-06-18 14:32:03,500 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:32:03,500 INFO ]: Found specification of procedure state [2018-06-18 14:32:03,500 INFO ]: Found implementation of procedure state [2018-06-18 14:32:03,500 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:32:03,500 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:32:03,500 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 14:32:04,078 INFO ]: Using library mode [2018-06-18 14:32:04,078 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:32:04 BoogieIcfgContainer [2018-06-18 14:32:04,078 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:32:04,080 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:32:04,080 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:32:04,084 INFO ]: TraceAbstraction initialized [2018-06-18 14:32:04,084 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:32:03" (1/3) ... [2018-06-18 14:32:04,085 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7285696b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:32:04, skipping insertion in model container [2018-06-18 14:32:04,085 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:32:03" (2/3) ... [2018-06-18 14:32:04,085 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7285696b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:32:04, skipping insertion in model container [2018-06-18 14:32:04,085 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:32:04" (3/3) ... [2018-06-18 14:32:04,088 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:32:04,098 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:32:04,110 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:32:04,158 INFO ]: Using default assertion order modulation [2018-06-18 14:32:04,159 INFO ]: Interprodecural is true [2018-06-18 14:32:04,159 INFO ]: Hoare is false [2018-06-18 14:32:04,159 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:32:04,159 INFO ]: Backedges is TWOTRACK [2018-06-18 14:32:04,159 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:32:04,159 INFO ]: Difference is false [2018-06-18 14:32:04,159 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:32:04,159 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:32:04,173 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:32:04,184 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:32:04,184 INFO ]: Found error trace [2018-06-18 14:32:04,185 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:32:04,185 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:32:04,192 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:32:04,194 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:32:04,195 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:32:04,238 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:32:04,238 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:32:04,238 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:32:04,347 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:32:04,358 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:32:04,695 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:32:04,696 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:32:04,697 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:32:04,698 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:32:04,708 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:32:04,709 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:32:04,710 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:32:04,869 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:32:04,869 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:32:04,871 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:32:04,873 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:32:04,873 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:32:04,890 INFO ]: With dead ends: 13 [2018-06-18 14:32:04,890 INFO ]: Without dead ends: 13 [2018-06-18 14:32:04,892 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 14:32:04,910 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:32:04,935 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:32:04,937 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:32:04,939 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:32:04,941 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:32:04,941 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:32:04,941 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:32:04,941 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:32:04,941 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:32:04,943 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:32:04,943 INFO ]: Found error trace [2018-06-18 14:32:04,943 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:32:04,943 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:32:04,943 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:32:04,943 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:32:04,943 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:32:04,944 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:32:04,944 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:32:04,944 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:32:05,120 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:32:05,120 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:32:06,300 WARN ]: Spent 835.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2018-06-18 14:32:06,437 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:32:06,437 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:32:06,437 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 14:32:06,447 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:32:06,645 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:32:06,657 INFO ]: Computing forward predicates... [2018-06-18 14:32:09,325 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 14:32:09,884 WARN ]: Simplifying disjunction of 31104 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:33:21,733 INFO ]: Timeout while computing interpolants [2018-06-18 14:33:21,934 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:33:21,934 WARN ]: Verification canceled [2018-06-18 14:33:21,938 WARN ]: Timeout [2018-06-18 14:33:21,939 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:33:21 BoogieIcfgContainer [2018-06-18 14:33:21,939 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:33:21,940 INFO ]: Toolchain (without parser) took 78683.82 ms. Allocated memory was 306.7 MB in the beginning and 1.2 GB in the end (delta: 939.5 MB). Free memory was 229.1 MB in the beginning and 845.2 MB in the end (delta: -616.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-18 14:33:21,941 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:33:21,941 INFO ]: ChcToBoogie took 156.24 ms. Allocated memory is still 306.7 MB. Free memory was 228.1 MB in the beginning and 221.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:33:21,942 INFO ]: Boogie Preprocessor took 66.89 ms. Allocated memory is still 306.7 MB. Free memory was 221.1 MB in the beginning and 219.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:33:21,942 INFO ]: RCFGBuilder took 593.88 ms. Allocated memory was 306.7 MB in the beginning and 325.1 MB in the end (delta: 18.4 MB). Free memory was 219.2 MB in the beginning and 282.9 MB in the end (delta: -63.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:33:21,943 INFO ]: TraceAbstraction took 77859.27 ms. Allocated memory was 325.1 MB in the beginning and 1.2 GB in the end (delta: 921.2 MB). Free memory was 282.9 MB in the beginning and 845.2 MB in the end (delta: -562.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-18 14:33:21,945 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 156.24 ms. Allocated memory is still 306.7 MB. Free memory was 228.1 MB in the beginning and 221.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 66.89 ms. Allocated memory is still 306.7 MB. Free memory was 221.1 MB in the beginning and 219.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 593.88 ms. Allocated memory was 306.7 MB in the beginning and 325.1 MB in the end (delta: 18.4 MB). Free memory was 219.2 MB in the beginning and 282.9 MB in the end (delta: -63.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 77859.27 ms. Allocated memory was 325.1 MB in the beginning and 1.2 GB in the end (delta: 921.2 MB). Free memory was 282.9 MB in the beginning and 845.2 MB in the end (delta: -562.4 MB). Peak memory consumption was 1.2 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 31104 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 77.7s 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, 0.2s 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, 0.0s 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_4_e3_1540_e1_5048.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-33-21-965.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e3_1540_e1_5048.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-33-21-965.csv Completed graceful shutdown