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/DRAGON_4_e2_2799_e7_2499.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:45:59,465 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:45:59,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:45:59,484 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:45:59,485 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:45:59,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:45:59,488 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:45:59,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:45:59,497 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:45:59,497 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:45:59,500 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:45:59,500 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:45:59,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:45:59,504 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:45:59,505 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:45:59,506 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:45:59,518 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:45:59,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:45:59,522 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:45:59,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:45:59,523 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:45:59,525 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:45:59,526 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:45:59,526 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:45:59,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:45:59,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:45:59,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:45:59,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:45:59,537 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:45:59,537 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:45:59,538 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:45:59,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:45:59,539 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:45:59,540 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:45:59,542 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:45:59,542 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 16:45:59,563 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:45:59,564 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:45:59,564 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:45:59,565 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:45:59,566 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:45:59,566 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:45:59,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:45:59,566 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:45:59,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:45:59,567 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:45:59,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:45:59,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:45:59,567 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:45:59,567 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:45:59,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:45:59,568 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:45:59,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:45:59,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:45:59,569 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:45:59,570 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:45:59,570 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:45:59,619 INFO ]: Repository-Root is: /tmp [2018-06-22 16:45:59,635 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:45:59,640 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:45:59,641 INFO ]: Initializing SmtParser... [2018-06-22 16:45:59,642 INFO ]: SmtParser initialized [2018-06-22 16:45:59,643 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e7_2499.smt2 [2018-06-22 16:45:59,644 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 16:45:59,730 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e7_2499.smt2 unknown [2018-06-22 16:46:00,335 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e7_2499.smt2 [2018-06-22 16:46:00,340 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:46:00,350 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:46:00,350 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:46:00,350 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:46:00,350 INFO ]: ChcToBoogie initialized [2018-06-22 16:46:00,353 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:46:00" (1/1) ... [2018-06-22 16:46:00,417 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00 Unit [2018-06-22 16:46:00,417 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:46:00,417 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:46:00,417 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:46:00,417 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:46:00,442 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (1/1) ... [2018-06-22 16:46:00,442 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (1/1) ... [2018-06-22 16:46:00,468 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (1/1) ... [2018-06-22 16:46:00,468 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (1/1) ... [2018-06-22 16:46:00,489 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (1/1) ... [2018-06-22 16:46:00,491 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (1/1) ... [2018-06-22 16:46:00,501 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (1/1) ... [2018-06-22 16:46:00,512 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:46:00,513 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:46:00,513 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:46:00,513 INFO ]: RCFGBuilder initialized [2018-06-22 16:46:00,513 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (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 16:46:00,523 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:46:00,523 INFO ]: Found specification of procedure False [2018-06-22 16:46:00,523 INFO ]: Found implementation of procedure False [2018-06-22 16:46:00,523 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:46:00,523 INFO ]: Found specification of procedure state [2018-06-22 16:46:00,523 INFO ]: Found implementation of procedure state [2018-06-22 16:46:00,523 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:46:00,523 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:46:00,523 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 16:46:01,022 INFO ]: Using library mode [2018-06-22 16:46:01,022 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:46:01 BoogieIcfgContainer [2018-06-22 16:46:01,023 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:46:01,024 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:46:01,024 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:46:01,031 INFO ]: TraceAbstraction initialized [2018-06-22 16:46:01,032 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:46:00" (1/3) ... [2018-06-22 16:46:01,033 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67299d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:46:01, skipping insertion in model container [2018-06-22 16:46:01,033 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:00" (2/3) ... [2018-06-22 16:46:01,033 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67299d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:46:01, skipping insertion in model container [2018-06-22 16:46:01,033 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:46:01" (3/3) ... [2018-06-22 16:46:01,035 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:46:01,045 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:46:01,056 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:46:01,105 INFO ]: Using default assertion order modulation [2018-06-22 16:46:01,105 INFO ]: Interprodecural is true [2018-06-22 16:46:01,105 INFO ]: Hoare is false [2018-06-22 16:46:01,105 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:46:01,105 INFO ]: Backedges is TWOTRACK [2018-06-22 16:46:01,105 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:46:01,105 INFO ]: Difference is false [2018-06-22 16:46:01,105 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:46:01,105 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:46:01,126 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:46:01,142 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:46:01,142 INFO ]: Found error trace [2018-06-22 16:46:01,143 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:46:01,143 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:46:01,149 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:46:01,151 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:46:01,151 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:46:01,199 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:46:01,199 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:46:01,199 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:46:01,345 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:46:01,689 WARN ]: Spent 107.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2018-06-22 16:46:01,691 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:46:01,695 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:46:01,695 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:46:01,697 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:46:01,712 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:46:01,712 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:46:01,715 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:46:01,873 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:46:01,874 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:46:01,875 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:46:01,876 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:46:01,876 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:46:01,888 INFO ]: With dead ends: 13 [2018-06-22 16:46:01,888 INFO ]: Without dead ends: 13 [2018-06-22 16:46:01,890 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 16:46:01,910 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:46:01,944 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:46:01,946 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:46:01,946 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:46:01,948 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:46:01,948 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:46:01,948 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:46:01,948 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:46:01,948 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:46:01,950 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:46:01,950 INFO ]: Found error trace [2018-06-22 16:46:01,950 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:46:01,950 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:46:01,950 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:46:01,950 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:46:01,950 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:46:01,951 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:46:01,951 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:46:01,951 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:46:02,097 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:46:03,049 WARN ]: Spent 678.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-06-22 16:46:03,211 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:46:03,211 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:46:03,211 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 16:46:03,219 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:46:03,386 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:46:03,396 INFO ]: Computing forward predicates... [2018-06-22 16:46:10,225 WARN ]: expecting exponential blowup for input size 23 Received shutdown request... [2018-06-22 16:46:53,673 INFO ]: Timeout while computing interpolants [2018-06-22 16:46:53,874 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:46:53,874 WARN ]: Verification canceled [2018-06-22 16:46:53,878 WARN ]: Timeout [2018-06-22 16:46:53,878 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:46:53 BoogieIcfgContainer [2018-06-22 16:46:53,878 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:46:53,879 INFO ]: Toolchain (without parser) took 53538.43 ms. Allocated memory was 309.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 232.7 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:46:53,881 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:46:53,881 INFO ]: ChcToBoogie took 66.78 ms. Allocated memory is still 309.3 MB. Free memory was 232.7 MB in the beginning and 227.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:46:53,881 INFO ]: Boogie Preprocessor took 94.54 ms. Allocated memory is still 309.3 MB. Free memory was 227.7 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:46:53,882 INFO ]: RCFGBuilder took 510.04 ms. Allocated memory was 309.3 MB in the beginning and 325.6 MB in the end (delta: 16.3 MB). Free memory was 225.7 MB in the beginning and 287.5 MB in the end (delta: -61.7 MB). Peak memory consumption was 42.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:46:53,882 INFO ]: TraceAbstraction took 52854.01 ms. Allocated memory was 325.6 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 286.0 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:46:53,895 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.78 ms. Allocated memory is still 309.3 MB. Free memory was 232.7 MB in the beginning and 227.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 94.54 ms. Allocated memory is still 309.3 MB. Free memory was 227.7 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 510.04 ms. Allocated memory was 309.3 MB in the beginning and 325.6 MB in the end (delta: 16.3 MB). Free memory was 225.7 MB in the beginning and 287.5 MB in the end (delta: -61.7 MB). Peak memory consumption was 42.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 52854.01 ms. Allocated memory was 325.6 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 286.0 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.4 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 transforming 23 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 52.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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_e2_2799_e7_2499.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-46-53-904.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e2_2799_e7_2499.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-46-53-904.csv Completed graceful shutdown