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_e7_2329_e7_3856.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:33:26,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:33:26,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:33:26,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:33:26,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:33:26,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:33:26,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:33:26,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:33:26,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:33:26,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:33:26,207 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:33:26,207 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:33:26,208 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:33:26,212 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:33:26,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:33:26,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:33:26,225 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:33:26,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:33:26,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:33:26,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:33:26,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:33:26,238 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:33:26,238 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:33:26,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:33:26,240 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:33:26,240 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:33:26,241 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:33:26,248 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:33:26,249 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:33:26,249 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:33:26,250 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:33:26,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:33:26,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:33:26,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:33:26,258 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:33:26,259 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:33:26,276 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:33:26,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:33:26,279 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:33:26,279 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:33:26,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:33:26,281 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:33:26,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:33:26,281 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:33:26,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:33:26,281 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:33:26,284 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:33:26,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:33:26,285 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:33:26,285 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:33:26,285 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:33:26,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:33:26,285 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:33:26,287 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:33:26,287 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:33:26,343 INFO ]: Repository-Root is: /tmp [2018-06-18 14:33:26,360 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:33:26,365 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:33:26,367 INFO ]: Initializing SmtParser... [2018-06-18 14:33:26,367 INFO ]: SmtParser initialized [2018-06-18 14:33:26,368 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e7_3856.smt2 [2018-06-18 14:33:26,369 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 14:33:26,461 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e7_3856.smt2 unknown [2018-06-18 14:33:27,173 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e7_3856.smt2 [2018-06-18 14:33:27,178 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:33:27,187 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:33:27,187 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:33:27,187 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:33:27,188 INFO ]: ChcToBoogie initialized [2018-06-18 14:33:27,195 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:33:27" (1/1) ... [2018-06-18 14:33:27,308 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27 Unit [2018-06-18 14:33:27,308 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:33:27,309 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:33:27,309 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:33:27,309 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:33:27,332 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (1/1) ... [2018-06-18 14:33:27,333 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (1/1) ... [2018-06-18 14:33:27,352 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (1/1) ... [2018-06-18 14:33:27,352 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (1/1) ... [2018-06-18 14:33:27,365 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (1/1) ... [2018-06-18 14:33:27,366 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (1/1) ... [2018-06-18 14:33:27,371 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (1/1) ... [2018-06-18 14:33:27,378 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:33:27,379 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:33:27,379 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:33:27,379 INFO ]: RCFGBuilder initialized [2018-06-18 14:33:27,380 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (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 14:33:27,390 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:33:27,390 INFO ]: Found specification of procedure False [2018-06-18 14:33:27,390 INFO ]: Found implementation of procedure False [2018-06-18 14:33:27,391 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:33:27,391 INFO ]: Found specification of procedure state [2018-06-18 14:33:27,391 INFO ]: Found implementation of procedure state [2018-06-18 14:33:27,391 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:33:27,391 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:33:27,391 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 14:33:27,933 INFO ]: Using library mode [2018-06-18 14:33:27,934 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:33:27 BoogieIcfgContainer [2018-06-18 14:33:27,934 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:33:27,936 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:33:27,936 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:33:27,942 INFO ]: TraceAbstraction initialized [2018-06-18 14:33:27,942 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:33:27" (1/3) ... [2018-06-18 14:33:27,943 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 02:33:27, skipping insertion in model container [2018-06-18 14:33:27,943 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:27" (2/3) ... [2018-06-18 14:33:27,943 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 02:33:27, skipping insertion in model container [2018-06-18 14:33:27,943 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:33:27" (3/3) ... [2018-06-18 14:33:27,946 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:33:27,956 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:33:27,966 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:33:28,015 INFO ]: Using default assertion order modulation [2018-06-18 14:33:28,016 INFO ]: Interprodecural is true [2018-06-18 14:33:28,016 INFO ]: Hoare is false [2018-06-18 14:33:28,016 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:33:28,016 INFO ]: Backedges is TWOTRACK [2018-06-18 14:33:28,016 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:33:28,016 INFO ]: Difference is false [2018-06-18 14:33:28,016 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:33:28,016 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:33:28,035 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:33:28,047 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:33:28,047 INFO ]: Found error trace [2018-06-18 14:33:28,048 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:33:28,049 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:33:28,055 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:33:28,057 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:33:28,058 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:33:28,111 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:33:28,111 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:33:28,111 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:33:28,262 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:33:28,272 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:33:28,601 WARN ]: Spent 100.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2018-06-18 14:33:28,605 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:33:28,607 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:33:28,607 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:33:28,609 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:33:28,622 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:33:28,622 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:33:28,625 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:33:28,795 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:33:28,795 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:33:28,797 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:33:28,798 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:33:28,798 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:33:28,813 INFO ]: With dead ends: 13 [2018-06-18 14:33:28,813 INFO ]: Without dead ends: 13 [2018-06-18 14:33:28,816 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 14:33:28,834 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:33:28,877 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:33:28,878 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:33:28,879 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:33:28,881 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:33:28,881 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:33:28,881 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:33:28,881 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:33:28,881 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:33:28,882 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:33:28,882 INFO ]: Found error trace [2018-06-18 14:33:28,883 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:33:28,883 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:33:28,883 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:33:28,883 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:33:28,883 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:33:28,885 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:33:28,885 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:33:28,885 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:33:29,093 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:33:29,094 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:33:30,310 WARN ]: Spent 917.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 56 [2018-06-18 14:33:30,364 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:33:30,364 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:33:30,364 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 14:33:30,372 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:33:30,592 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:33:30,607 INFO ]: Computing forward predicates... [2018-06-18 14:33:34,802 WARN ]: expecting exponential blowup for input size 16 [2018-06-18 14:33:35,869 WARN ]: Simplifying disjunction of 139968 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:34:42,490 INFO ]: Timeout while computing interpolants [2018-06-18 14:34:42,691 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:34:42,691 WARN ]: Verification canceled [2018-06-18 14:34:42,695 WARN ]: Timeout [2018-06-18 14:34:42,696 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:34:42 BoogieIcfgContainer [2018-06-18 14:34:42,696 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:34:42,697 INFO ]: Toolchain (without parser) took 75518.09 ms. Allocated memory was 306.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 227.6 MB in the beginning and 471.5 MB in the end (delta: -243.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-18 14:34:42,697 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:34:42,698 INFO ]: ChcToBoogie took 120.94 ms. Allocated memory is still 306.2 MB. Free memory was 227.6 MB in the beginning and 220.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:34:42,698 INFO ]: Boogie Preprocessor took 69.42 ms. Allocated memory is still 306.2 MB. Free memory was 220.7 MB in the beginning and 218.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:34:42,699 INFO ]: RCFGBuilder took 555.52 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 218.7 MB in the beginning and 282.1 MB in the end (delta: -63.4 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:34:42,699 INFO ]: TraceAbstraction took 74759.93 ms. Allocated memory was 325.1 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 282.1 MB in the beginning and 471.5 MB in the end (delta: -189.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-18 14:34:42,702 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 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 120.94 ms. Allocated memory is still 306.2 MB. Free memory was 227.6 MB in the beginning and 220.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 69.42 ms. Allocated memory is still 306.2 MB. Free memory was 220.7 MB in the beginning and 218.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 555.52 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 218.7 MB in the beginning and 282.1 MB in the end (delta: -63.4 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74759.93 ms. Allocated memory was 325.1 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 282.1 MB in the beginning and 471.5 MB in the end (delta: -189.4 MB). Peak memory consumption was 1.4 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 139968 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 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_e7_2329_e7_3856.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-34-42-730.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e7_2329_e7_3856.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-34-42-730.csv Completed graceful shutdown