java -Xss1g -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/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1_e7_1621.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:55:00,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:55:00,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:55:00,067 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:55:00,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:55:00,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:55:00,070 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:55:00,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:55:00,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:55:00,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:55:00,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:55:00,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:55:00,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:55:00,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:55:00,085 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:55:00,085 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:55:00,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:55:00,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:55:00,102 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:55:00,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:55:00,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:55:00,106 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:55:00,106 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:55:00,107 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:55:00,107 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:55:00,112 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:55:00,112 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:55:00,113 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:55:00,114 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:55:00,114 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:55:00,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:55:00,121 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:55:00,121 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:55:00,122 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:55:00,123 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:55:00,123 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 19:55:00,144 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:55:00,145 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:55:00,145 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:55:00,145 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:55:00,146 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:55:00,146 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:55:00,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:55:00,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:55:00,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:55:00,147 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:55:00,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:55:00,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:55:00,148 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:55:00,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:55:00,148 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:55:00,148 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:55:00,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:55:00,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:55:00,149 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:55:00,150 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:55:00,151 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:55:00,190 INFO ]: Repository-Root is: /tmp [2018-06-22 19:55:00,206 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:55:00,211 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:55:00,212 INFO ]: Initializing SmtParser... [2018-06-22 19:55:00,213 INFO ]: SmtParser initialized [2018-06-22 19:55:00,213 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1_e7_1621.smt2 [2018-06-22 19:55:00,214 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 [2018-06-22 19:55:00,304 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1_e7_1621.smt2 unknown [2018-06-22 19:55:00,854 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1_e7_1621.smt2 [2018-06-22 19:55:00,859 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:55:00,864 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:55:00,865 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:55:00,865 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:55:00,865 INFO ]: ChcToBoogie initialized [2018-06-22 19:55:00,868 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:55:00" (1/1) ... [2018-06-22 19:55:00,924 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00 Unit [2018-06-22 19:55:00,924 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:55:00,925 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:55:00,925 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:55:00,925 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:55:00,959 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (1/1) ... [2018-06-22 19:55:00,959 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (1/1) ... [2018-06-22 19:55:00,980 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (1/1) ... [2018-06-22 19:55:00,980 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (1/1) ... [2018-06-22 19:55:00,997 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (1/1) ... [2018-06-22 19:55:00,998 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (1/1) ... [2018-06-22 19:55:01,011 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (1/1) ... [2018-06-22 19:55:01,015 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:55:01,016 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:55:01,016 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:55:01,016 INFO ]: RCFGBuilder initialized [2018-06-22 19:55:01,017 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (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) [2018-06-22 19:55:01,075 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:55:01,076 INFO ]: Found specification of procedure False [2018-06-22 19:55:01,076 INFO ]: Found implementation of procedure False [2018-06-22 19:55:01,076 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:55:01,076 INFO ]: Found specification of procedure state [2018-06-22 19:55:01,076 INFO ]: Found implementation of procedure state [2018-06-22 19:55:01,076 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:55:01,076 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:55:01,076 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 [2018-06-22 19:55:01,538 INFO ]: Using library mode [2018-06-22 19:55:01,538 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:55:01 BoogieIcfgContainer [2018-06-22 19:55:01,538 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:55:01,539 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:55:01,540 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:55:01,544 INFO ]: TraceAbstraction initialized [2018-06-22 19:55:01,545 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:55:00" (1/3) ... [2018-06-22 19:55:01,545 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427836e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:55:01, skipping insertion in model container [2018-06-22 19:55:01,546 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:00" (2/3) ... [2018-06-22 19:55:01,546 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427836e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:55:01, skipping insertion in model container [2018-06-22 19:55:01,546 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:55:01" (3/3) ... [2018-06-22 19:55:01,548 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:55:01,558 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:55:01,572 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:55:01,624 INFO ]: Using default assertion order modulation [2018-06-22 19:55:01,624 INFO ]: Interprodecural is true [2018-06-22 19:55:01,624 INFO ]: Hoare is false [2018-06-22 19:55:01,624 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:55:01,624 INFO ]: Backedges is TWOTRACK [2018-06-22 19:55:01,624 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:55:01,624 INFO ]: Difference is false [2018-06-22 19:55:01,624 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:55:01,624 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:55:01,644 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:55:01,660 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:55:01,660 INFO ]: Found error trace [2018-06-22 19:55:01,661 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:55:01,662 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:55:01,667 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 19:55:01,669 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:55:01,669 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:55:01,710 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:55:01,710 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:55:01,710 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:55:01,851 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:55:02,221 WARN ]: Spent 134.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 7 [2018-06-22 19:55:02,224 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:55:02,227 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:55:02,227 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:55:02,228 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:55:02,239 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:55:02,239 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:55:02,241 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:55:02,328 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:55:02,328 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:55:02,331 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:55:02,332 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:55:02,332 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:55:02,341 INFO ]: With dead ends: 13 [2018-06-22 19:55:02,341 INFO ]: Without dead ends: 13 [2018-06-22 19:55:02,343 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 [2018-06-22 19:55:02,358 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:55:02,393 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:55:02,394 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:55:02,394 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:55:02,395 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:55:02,395 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:55:02,395 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:55:02,395 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:55:02,395 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:55:02,396 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:55:02,396 INFO ]: Found error trace [2018-06-22 19:55:02,397 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:55:02,397 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:55:02,397 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 19:55:02,397 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:55:02,397 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:55:02,398 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:55:02,398 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:55:02,398 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:55:02,539 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:55:06,520 WARN ]: Spent 3.42 s on a formula simplification. DAG size of input: 411 DAG size of output: 183 [2018-06-22 19:55:06,978 WARN ]: Spent 292.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2018-06-22 19:55:06,982 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:55:06,982 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:55:06,982 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 [2018-06-22 19:55:06,999 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:55:07,115 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:55:07,126 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 19:56:07,997 INFO ]: Timeout while computing interpolants [2018-06-22 19:56:08,198 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:56:08,198 WARN ]: Verification canceled [2018-06-22 19:56:08,201 WARN ]: Timeout [2018-06-22 19:56:08,201 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:56:08 BoogieIcfgContainer [2018-06-22 19:56:08,201 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:56:08,202 INFO ]: Toolchain (without parser) took 67342.89 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 241.7 MB in the beginning and 1.1 GB in the end (delta: -896.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:56:08,207 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:56:08,207 INFO ]: ChcToBoogie took 60.04 ms. Allocated memory is still 308.3 MB. Free memory was 241.7 MB in the beginning and 238.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:56:08,208 INFO ]: Boogie Preprocessor took 90.28 ms. Allocated memory is still 308.3 MB. Free memory was 238.7 MB in the beginning and 236.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:56:08,208 INFO ]: RCFGBuilder took 522.58 ms. Allocated memory is still 308.3 MB. Free memory was 236.7 MB in the beginning and 206.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 3.6 GB. [2018-06-22 19:56:08,208 INFO ]: TraceAbstraction took 66661.91 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 205.2 MB in the beginning and 1.1 GB in the end (delta: -932.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:56:08,211 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 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 60.04 ms. Allocated memory is still 308.3 MB. Free memory was 241.7 MB in the beginning and 238.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 90.28 ms. Allocated memory is still 308.3 MB. Free memory was 238.7 MB in the beginning and 236.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 522.58 ms. Allocated memory is still 308.3 MB. Free memory was 236.7 MB in the beginning and 206.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 66661.91 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 205.2 MB in the beginning and 1.1 GB in the end (delta: -932.9 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 27 quantified variables from 33 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 66.5s 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, 0.1s SatisfiabilityAnalysisTime, 0.3s 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_e7_1621.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-56-08-221.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/swimmingpool_1_e7_1621.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-56-08-221.csv Completed graceful shutdown