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.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:55:08,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:55:08,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:55:08,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:55:08,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:55:08,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:55:08,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:55:08,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:55:08,506 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:55:08,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:55:08,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:55:08,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:55:08,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:55:08,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:55:08,511 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:55:08,515 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:55:08,518 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:55:08,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:55:08,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:55:08,531 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:55:08,532 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:55:08,535 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:55:08,535 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:55:08,535 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:55:08,536 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:55:08,537 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:55:08,537 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:55:08,539 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:55:08,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:55:08,540 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:55:08,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:55:08,542 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:55:08,542 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:55:08,543 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:55:08,548 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:55:08,548 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 19:55:08,561 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:55:08,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:55:08,562 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:55:08,562 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:55:08,563 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:55:08,563 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:55:08,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:55:08,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:55:08,564 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:55:08,564 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:55:08,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:55:08,564 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:55:08,565 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:55:08,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:55:08,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:55:08,565 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:55:08,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:55:08,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:55:08,566 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:55:08,567 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:55:08,567 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:55:08,621 INFO ]: Repository-Root is: /tmp [2018-06-22 19:55:08,638 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:55:08,643 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:55:08,644 INFO ]: Initializing SmtParser... [2018-06-22 19:55:08,645 INFO ]: SmtParser initialized [2018-06-22 19:55:08,646 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1.smt2 [2018-06-22 19:55:08,647 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 19:55:08,740 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1.smt2 unknown [2018-06-22 19:55:09,269 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_1.smt2 [2018-06-22 19:55:09,274 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:55:09,291 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:55:09,291 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:55:09,291 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:55:09,292 INFO ]: ChcToBoogie initialized [2018-06-22 19:55:09,295 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:55:09" (1/1) ... [2018-06-22 19:55:09,408 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09 Unit [2018-06-22 19:55:09,408 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:55:09,418 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:55:09,418 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:55:09,418 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:55:09,441 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (1/1) ... [2018-06-22 19:55:09,442 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (1/1) ... [2018-06-22 19:55:09,456 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (1/1) ... [2018-06-22 19:55:09,456 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (1/1) ... [2018-06-22 19:55:09,473 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (1/1) ... [2018-06-22 19:55:09,476 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (1/1) ... [2018-06-22 19:55:09,479 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (1/1) ... [2018-06-22 19:55:09,483 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:55:09,484 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:55:09,484 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:55:09,484 INFO ]: RCFGBuilder initialized [2018-06-22 19:55:09,484 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:55:09,501 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:55:09,501 INFO ]: Found specification of procedure False [2018-06-22 19:55:09,501 INFO ]: Found implementation of procedure False [2018-06-22 19:55:09,501 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:55:09,502 INFO ]: Found specification of procedure state [2018-06-22 19:55:09,502 INFO ]: Found implementation of procedure state [2018-06-22 19:55:09,502 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:55:09,502 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:55:09,502 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 19:55:09,903 INFO ]: Using library mode [2018-06-22 19:55:09,904 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:55:09 BoogieIcfgContainer [2018-06-22 19:55:09,904 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:55:09,908 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:55:09,908 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:55:09,911 INFO ]: TraceAbstraction initialized [2018-06-22 19:55:09,911 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:55:09" (1/3) ... [2018-06-22 19:55:09,912 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c047910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:55:09, skipping insertion in model container [2018-06-22 19:55:09,912 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:55:09" (2/3) ... [2018-06-22 19:55:09,912 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c047910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:55:09, skipping insertion in model container [2018-06-22 19:55:09,912 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:55:09" (3/3) ... [2018-06-22 19:55:09,914 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:55:09,925 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:55:09,935 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:55:09,983 INFO ]: Using default assertion order modulation [2018-06-22 19:55:09,983 INFO ]: Interprodecural is true [2018-06-22 19:55:09,984 INFO ]: Hoare is false [2018-06-22 19:55:09,984 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:55:09,984 INFO ]: Backedges is TWOTRACK [2018-06-22 19:55:09,984 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:55:09,984 INFO ]: Difference is false [2018-06-22 19:55:09,984 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:55:09,984 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:55:09,996 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:55:10,006 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:55:10,006 INFO ]: Found error trace [2018-06-22 19:55:10,007 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:55:10,007 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:55:10,012 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 19:55:10,014 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:55:10,014 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:55:10,058 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:55:10,058 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:55:10,058 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:55:10,190 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:55:10,480 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:55:10,481 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:55:10,481 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:55:10,483 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:55:10,493 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:55:10,493 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:55:10,495 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:55:10,651 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:55:10,652 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:55:10,655 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:55:10,656 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:55:10,656 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:55:10,671 INFO ]: With dead ends: 13 [2018-06-22 19:55:10,671 INFO ]: Without dead ends: 13 [2018-06-22 19:55:10,673 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:55:10,690 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:55:10,721 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:55:10,723 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:55:10,723 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:55:10,724 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:55:10,725 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:55:10,725 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:55:10,725 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:55:10,725 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:55:10,726 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:55:10,726 INFO ]: Found error trace [2018-06-22 19:55:10,726 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:55:10,726 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:55:10,727 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 19:55:10,727 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:55:10,727 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:55:10,727 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:55:10,727 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:55:10,727 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:55:10,914 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:55:14,835 WARN ]: Spent 3.43 s on a formula simplification. DAG size of input: 352 DAG size of output: 233 [2018-06-22 19:55:15,058 WARN ]: Spent 145.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 8 [2018-06-22 19:55:15,061 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:55:15,061 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:55:15,061 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 19:55:15,077 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:55:15,213 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:55:15,232 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 19:56:17,922 INFO ]: Timeout while computing interpolants [2018-06-22 19:56:18,123 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:56:18,123 WARN ]: Verification canceled [2018-06-22 19:56:18,128 WARN ]: Timeout [2018-06-22 19:56:18,129 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:56:18 BoogieIcfgContainer [2018-06-22 19:56:18,129 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:56:18,130 INFO ]: Toolchain (without parser) took 68855.48 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 242.9 MB in the beginning and 1.1 GB in the end (delta: -825.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:56:18,131 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:56:18,131 INFO ]: ChcToBoogie took 126.44 ms. Allocated memory is still 309.3 MB. Free memory was 242.9 MB in the beginning and 239.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:56:18,131 INFO ]: Boogie Preprocessor took 64.88 ms. Allocated memory is still 309.3 MB. Free memory was 239.9 MB in the beginning and 237.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:56:18,142 INFO ]: RCFGBuilder took 420.62 ms. Allocated memory is still 309.3 MB. Free memory was 237.9 MB in the beginning and 206.9 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:56:18,143 INFO ]: TraceAbstraction took 68220.85 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 205.9 MB in the beginning and 1.1 GB in the end (delta: -862.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:56:18,145 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 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 126.44 ms. Allocated memory is still 309.3 MB. Free memory was 242.9 MB in the beginning and 239.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 64.88 ms. Allocated memory is still 309.3 MB. Free memory was 239.9 MB in the beginning and 237.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 420.62 ms. Allocated memory is still 309.3 MB. Free memory was 237.9 MB in the beginning and 206.9 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68220.85 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 205.9 MB in the beginning and 1.1 GB in the end (delta: -862.7 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 57 quantified variables from 77 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.2s 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/swimmingpool_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-56-18-164.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/swimmingpool_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-56-18-164.csv Completed graceful shutdown