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/swimmingpool_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 16:37:58,871 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 16:37:58,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 16:37:58,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 16:37:58,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 16:37:58,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 16:37:58,897 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 16:37:58,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 16:37:58,901 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 16:37:58,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 16:37:58,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 16:37:58,904 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 16:37:58,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 16:37:58,909 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 16:37:58,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 16:37:58,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 16:37:58,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 16:37:58,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 16:37:58,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 16:37:58,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 16:37:58,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 16:37:58,932 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 16:37:58,932 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 16:37:58,932 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 16:37:58,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 16:37:58,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 16:37:58,936 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 16:37:58,937 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 16:37:58,938 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 16:37:58,938 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 16:37:58,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 16:37:58,940 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 16:37:58,940 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 16:37:58,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 16:37:58,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 16:37:58,942 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 16:37:58,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 16:37:58,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 16:37:58,956 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 16:37:58,956 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 16:37:58,957 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 16:37:58,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 16:37:58,958 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 16:37:58,958 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 16:37:58,958 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 16:37:58,958 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 16:37:58,959 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 16:37:58,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 16:37:58,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 16:37:58,959 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 16:37:58,959 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 16:37:58,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 16:37:58,960 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 16:37:58,961 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 16:37:58,961 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 16:37:59,010 INFO ]: Repository-Root is: /tmp [2018-06-18 16:37:59,032 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 16:37:59,040 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 16:37:59,042 INFO ]: Initializing SmtParser... [2018-06-18 16:37:59,042 INFO ]: SmtParser initialized [2018-06-18 16:37:59,043 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1.smt2 [2018-06-18 16:37:59,044 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 16:37:59,140 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1.smt2 unknown [2018-06-18 16:37:59,674 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1.smt2 [2018-06-18 16:37:59,679 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 16:37:59,684 INFO ]: Walking toolchain with 4 elements. [2018-06-18 16:37:59,685 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 16:37:59,685 INFO ]: Initializing ChcToBoogie... [2018-06-18 16:37:59,685 INFO ]: ChcToBoogie initialized [2018-06-18 16:37:59,701 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:37:59" (1/1) ... [2018-06-18 16:37:59,829 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59 Unit [2018-06-18 16:37:59,829 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 16:37:59,830 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 16:37:59,830 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 16:37:59,830 INFO ]: Boogie Preprocessor initialized [2018-06-18 16:37:59,857 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (1/1) ... [2018-06-18 16:37:59,857 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (1/1) ... [2018-06-18 16:37:59,886 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (1/1) ... [2018-06-18 16:37:59,886 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (1/1) ... [2018-06-18 16:37:59,904 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (1/1) ... [2018-06-18 16:37:59,905 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (1/1) ... [2018-06-18 16:37:59,908 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (1/1) ... [2018-06-18 16:37:59,920 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 16:37:59,921 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 16:37:59,921 INFO ]: Initializing RCFGBuilder... [2018-06-18 16:37:59,921 INFO ]: RCFGBuilder initialized [2018-06-18 16:37:59,922 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (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 16:37:59,945 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 16:37:59,945 INFO ]: Found specification of procedure False [2018-06-18 16:37:59,945 INFO ]: Found implementation of procedure False [2018-06-18 16:37:59,945 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 16:37:59,945 INFO ]: Found specification of procedure state [2018-06-18 16:37:59,945 INFO ]: Found implementation of procedure state [2018-06-18 16:37:59,945 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 16:37:59,945 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 16:37:59,946 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 16:38:00,380 INFO ]: Using library mode [2018-06-18 16:38:00,380 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:38:00 BoogieIcfgContainer [2018-06-18 16:38:00,380 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 16:38:00,382 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 16:38:00,382 INFO ]: Initializing TraceAbstraction... [2018-06-18 16:38:00,391 INFO ]: TraceAbstraction initialized [2018-06-18 16:38:00,391 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:37:59" (1/3) ... [2018-06-18 16:38:00,392 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1022c675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 04:38:00, skipping insertion in model container [2018-06-18 16:38:00,392 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:37:59" (2/3) ... [2018-06-18 16:38:00,392 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1022c675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 04:38:00, skipping insertion in model container [2018-06-18 16:38:00,392 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:38:00" (3/3) ... [2018-06-18 16:38:00,395 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 16:38:00,405 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 16:38:00,415 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 16:38:00,456 INFO ]: Using default assertion order modulation [2018-06-18 16:38:00,457 INFO ]: Interprodecural is true [2018-06-18 16:38:00,457 INFO ]: Hoare is false [2018-06-18 16:38:00,457 INFO ]: Compute interpolants for FPandBP [2018-06-18 16:38:00,457 INFO ]: Backedges is TWOTRACK [2018-06-18 16:38:00,457 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 16:38:00,457 INFO ]: Difference is false [2018-06-18 16:38:00,457 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 16:38:00,457 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 16:38:00,471 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 16:38:00,483 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 16:38:00,483 INFO ]: Found error trace [2018-06-18 16:38:00,485 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:38:00,485 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:38:00,491 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 16:38:00,493 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:38:00,493 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:38:00,529 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:38:00,529 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:38:00,529 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:38:00,629 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:38:00,639 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:38:01,049 WARN ]: Spent 157.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 7 [2018-06-18 16:38:01,053 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 16:38:01,056 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 16:38:01,057 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 16:38:01,059 INFO ]: Interpolant automaton has 4 states [2018-06-18 16:38:01,074 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 16:38:01,075 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 16:38:01,077 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 16:38:01,221 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 16:38:01,221 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 16:38:01,222 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 16:38:01,224 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 16:38:01,224 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 16:38:01,243 INFO ]: With dead ends: 13 [2018-06-18 16:38:01,243 INFO ]: Without dead ends: 13 [2018-06-18 16:38:01,245 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 16:38:01,263 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 16:38:01,293 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 16:38:01,297 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 16:38:01,297 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 16:38:01,299 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 16:38:01,299 INFO ]: Finished accepts. word is rejected. [2018-06-18 16:38:01,299 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 16:38:01,299 INFO ]: Interpolant automaton has 4 states. [2018-06-18 16:38:01,299 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 16:38:01,301 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 16:38:01,301 INFO ]: Found error trace [2018-06-18 16:38:01,301 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:38:01,301 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:38:01,301 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 16:38:01,301 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:38:01,301 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:38:01,302 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:38:01,302 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:38:01,302 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:38:01,505 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:38:01,506 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:38:06,652 WARN ]: Spent 4.54 s on a formula simplification. DAG size of input: 413 DAG size of output: 283 [2018-06-18 16:38:07,185 WARN ]: Spent 438.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-06-18 16:38:07,396 WARN ]: Spent 113.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 6 [2018-06-18 16:38:07,400 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 16:38:07,400 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 16:38:07,400 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) [2018-06-18 16:38:07,419 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 16:38:07,567 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:38:07,587 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 16:39:06,485 INFO ]: Timeout while computing interpolants [2018-06-18 16:39:06,686 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 16:39:06,686 WARN ]: Verification canceled [2018-06-18 16:39:06,690 WARN ]: Timeout [2018-06-18 16:39:06,690 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 04:39:06 BoogieIcfgContainer [2018-06-18 16:39:06,691 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 16:39:06,691 INFO ]: Toolchain (without parser) took 67012.33 ms. Allocated memory was 302.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 235.1 MB in the beginning and 322.5 MB in the end (delta: -87.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 16:39:06,692 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 302.5 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 16:39:06,693 INFO ]: ChcToBoogie took 145.12 ms. Allocated memory is still 302.5 MB. Free memory was 235.1 MB in the beginning and 230.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:39:06,693 INFO ]: Boogie Preprocessor took 90.02 ms. Allocated memory is still 302.5 MB. Free memory was 230.1 MB in the beginning and 229.1 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. [2018-06-18 16:39:06,694 INFO ]: RCFGBuilder took 459.56 ms. Allocated memory is still 302.5 MB. Free memory was 229.1 MB in the beginning and 196.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 3.6 GB. [2018-06-18 16:39:06,697 INFO ]: TraceAbstraction took 66308.63 ms. Allocated memory was 302.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 195.9 MB in the beginning and 322.5 MB in the end (delta: -126.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 16:39:06,699 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 302.5 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 145.12 ms. Allocated memory is still 302.5 MB. Free memory was 235.1 MB in the beginning and 230.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 90.02 ms. Allocated memory is still 302.5 MB. Free memory was 230.1 MB in the beginning and 229.1 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. * RCFGBuilder took 459.56 ms. Allocated memory is still 302.5 MB. Free memory was 229.1 MB in the beginning and 196.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 66308.63 ms. Allocated memory was 302.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 195.9 MB in the beginning and 322.5 MB in the end (delta: -126.6 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 46 quantified variables from 63 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 66.2s 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, 0.0s 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, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 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/swimmingpool_1.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_16-39-06-715.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/swimmingpool_1.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_16-39-06-715.csv Completed graceful shutdown