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_12.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:24:27,744 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:24:27,746 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:24:27,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:24:27,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:24:27,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:24:27,762 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:24:27,764 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:24:27,766 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:24:27,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:24:27,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:24:27,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:24:27,770 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:24:27,771 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:24:27,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:24:27,776 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:24:27,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:24:27,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:24:27,791 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:24:27,792 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:24:27,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:24:27,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:24:27,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:24:27,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:24:27,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:24:27,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:24:27,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:24:27,804 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:24:27,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:24:27,805 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:24:27,805 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:24:27,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:24:27,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:24:27,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:24:27,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:24:27,811 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 16:24:27,830 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:24:27,830 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:24:27,830 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:24:27,831 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:24:27,832 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:24:27,833 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:24:27,833 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:24:27,833 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:24:27,833 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:24:27,833 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:24:27,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:24:27,835 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:24:27,835 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:24:27,835 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:24:27,835 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:24:27,835 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:24:27,835 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:24:27,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:24:27,836 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:24:27,837 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:24:27,837 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:24:27,887 INFO ]: Repository-Root is: /tmp [2018-06-22 16:24:27,901 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:24:27,908 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:24:27,911 INFO ]: Initializing SmtParser... [2018-06-22 16:24:27,911 INFO ]: SmtParser initialized [2018-06-22 16:24:27,912 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12.smt2 [2018-06-22 16:24:27,913 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 16:24:28,014 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12.smt2 unknown [2018-06-22 16:24:28,644 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12.smt2 [2018-06-22 16:24:28,649 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:24:28,665 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:24:28,665 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:24:28,666 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:24:28,666 INFO ]: ChcToBoogie initialized [2018-06-22 16:24:28,669 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:24:28" (1/1) ... [2018-06-22 16:24:28,788 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28 Unit [2018-06-22 16:24:28,788 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:24:28,789 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:24:28,789 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:24:28,789 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:24:28,832 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (1/1) ... [2018-06-22 16:24:28,832 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (1/1) ... [2018-06-22 16:24:28,846 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (1/1) ... [2018-06-22 16:24:28,846 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (1/1) ... [2018-06-22 16:24:28,866 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (1/1) ... [2018-06-22 16:24:28,868 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (1/1) ... [2018-06-22 16:24:28,872 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (1/1) ... [2018-06-22 16:24:28,878 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:24:28,879 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:24:28,879 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:24:28,879 INFO ]: RCFGBuilder initialized [2018-06-22 16:24:28,880 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (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 16:24:28,893 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:24:28,893 INFO ]: Found specification of procedure False [2018-06-22 16:24:28,893 INFO ]: Found implementation of procedure False [2018-06-22 16:24:28,893 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:24:28,893 INFO ]: Found specification of procedure state [2018-06-22 16:24:28,893 INFO ]: Found implementation of procedure state [2018-06-22 16:24:28,893 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:24:28,893 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:24:28,893 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:24:29,394 INFO ]: Using library mode [2018-06-22 16:24:29,395 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:24:29 BoogieIcfgContainer [2018-06-22 16:24:29,395 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:24:29,397 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:24:29,398 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:24:29,401 INFO ]: TraceAbstraction initialized [2018-06-22 16:24:29,401 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:24:28" (1/3) ... [2018-06-22 16:24:29,402 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e557f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:24:29, skipping insertion in model container [2018-06-22 16:24:29,402 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:28" (2/3) ... [2018-06-22 16:24:29,402 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e557f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:24:29, skipping insertion in model container [2018-06-22 16:24:29,402 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:24:29" (3/3) ... [2018-06-22 16:24:29,404 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:24:29,414 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:24:29,425 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:24:29,480 INFO ]: Using default assertion order modulation [2018-06-22 16:24:29,480 INFO ]: Interprodecural is true [2018-06-22 16:24:29,480 INFO ]: Hoare is false [2018-06-22 16:24:29,480 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:24:29,481 INFO ]: Backedges is TWOTRACK [2018-06-22 16:24:29,481 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:24:29,481 INFO ]: Difference is false [2018-06-22 16:24:29,481 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:24:29,481 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:24:29,498 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:24:29,513 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:24:29,513 INFO ]: Found error trace [2018-06-22 16:24:29,514 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:24:29,514 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:24:29,520 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:24:29,522 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:24:29,522 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:24:29,569 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:24:29,569 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:24:29,569 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:24:29,716 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:24:30,074 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:24:30,076 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:24:30,076 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:24:30,079 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:24:30,095 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:24:30,096 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:24:30,099 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:24:30,262 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:24:30,262 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:24:30,263 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:24:30,265 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:24:30,265 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:24:30,280 INFO ]: With dead ends: 13 [2018-06-22 16:24:30,280 INFO ]: Without dead ends: 13 [2018-06-22 16:24:30,283 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 16:24:30,303 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:24:30,344 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:24:30,345 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:24:30,346 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:24:30,347 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:24:30,347 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:24:30,347 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:24:30,348 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:24:30,348 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:24:30,349 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:24:30,350 INFO ]: Found error trace [2018-06-22 16:24:30,350 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:24:30,350 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:24:30,350 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:24:30,350 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:24:30,350 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:24:30,351 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:24:30,351 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:24:30,351 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:24:30,456 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:24:32,101 WARN ]: Spent 1.33 s on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2018-06-22 16:24:32,252 WARN ]: Spent 137.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-06-22 16:24:32,264 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:24:32,264 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:24:32,264 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 16:24:32,273 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:24:32,478 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:24:32,494 INFO ]: Computing forward predicates... [2018-06-22 16:24:32,600 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:24:32,615 WARN ]: expecting exponential blowup for input size 24 Received shutdown request... [2018-06-22 16:25:18,173 INFO ]: Timeout while computing interpolants [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Forcibly destroying the process [2018-06-22 16:25:18,374 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:25:18,374 WARN ]: Verification canceled [2018-06-22 16:25:18,597 WARN ]: Timeout [2018-06-22 16:25:18,597 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:25:18 BoogieIcfgContainer [2018-06-22 16:25:18,598 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:25:18,695 INFO ]: Toolchain (without parser) took 50045.45 ms. Allocated memory was 305.1 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 227.8 MB in the beginning and 1.0 GB in the end (delta: -784.2 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:25:18,696 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:25:18,696 INFO ]: ChcToBoogie took 123.10 ms. Allocated memory is still 305.1 MB. Free memory was 227.8 MB in the beginning and 223.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:25:18,697 INFO ]: Boogie Preprocessor took 89.24 ms. Allocated memory is still 305.1 MB. Free memory was 223.8 MB in the beginning and 221.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:25:18,697 INFO ]: RCFGBuilder took 516.07 ms. Allocated memory was 305.1 MB in the beginning and 324.0 MB in the end (delta: 18.9 MB). Free memory was 221.8 MB in the beginning and 285.6 MB in the end (delta: -63.8 MB). Peak memory consumption was 43.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:25:18,698 INFO ]: TraceAbstraction took 49200.15 ms. Allocated memory was 324.0 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 285.6 MB in the beginning and 1.0 GB in the end (delta: -726.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:25:18,707 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 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 123.10 ms. Allocated memory is still 305.1 MB. Free memory was 227.8 MB in the beginning and 223.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 89.24 ms. Allocated memory is still 305.1 MB. Free memory was 223.8 MB in the beginning and 221.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 516.07 ms. Allocated memory was 305.1 MB in the beginning and 324.0 MB in the end (delta: 18.9 MB). Free memory was 221.8 MB in the beginning and 285.6 MB in the end (delta: -63.8 MB). Peak memory consumption was 43.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49200.15 ms. Allocated memory was 324.0 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 285.6 MB in the beginning and 1.0 GB in the end (delta: -726.4 MB). 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 24 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-25-18-730.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-25-18-730.csv Completed graceful shutdown