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_10_e1_998.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:11:08,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:11:08,856 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:11:08,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:11:08,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:11:08,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:11:08,875 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:11:08,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:11:08,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:11:08,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:11:08,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:11:08,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:11:08,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:11:08,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:11:08,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:11:08,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:11:08,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:11:08,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:11:08,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:11:08,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:11:08,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:11:08,913 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:11:08,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:11:08,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:11:08,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:11:08,915 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:11:08,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:11:08,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:11:08,917 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:11:08,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:11:08,921 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:11:08,922 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:11:08,922 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:11:08,923 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:11:08,923 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:11:08,923 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 16:11:08,942 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:11:08,943 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:11:08,943 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:11:08,943 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:11:08,944 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:11:08,944 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:11:08,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:11:08,945 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:11:08,945 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:11:08,945 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:11:08,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:11:08,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:11:08,945 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:11:08,946 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:11:08,948 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:11:08,948 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:11:08,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:11:08,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:11:08,949 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:11:08,950 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:11:08,951 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:11:08,995 INFO ]: Repository-Root is: /tmp [2018-06-22 16:11:09,010 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:11:09,013 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:11:09,015 INFO ]: Initializing SmtParser... [2018-06-22 16:11:09,015 INFO ]: SmtParser initialized [2018-06-22 16:11:09,016 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e1_998.smt2 [2018-06-22 16:11:09,017 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 16:11:09,110 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e1_998.smt2 unknown [2018-06-22 16:11:09,732 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e1_998.smt2 [2018-06-22 16:11:09,737 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:11:09,743 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:11:09,744 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:11:09,744 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:11:09,744 INFO ]: ChcToBoogie initialized [2018-06-22 16:11:09,747 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:11:09" (1/1) ... [2018-06-22 16:11:09,858 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09 Unit [2018-06-22 16:11:09,858 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:11:09,859 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:11:09,859 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:11:09,859 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:11:09,886 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (1/1) ... [2018-06-22 16:11:09,886 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (1/1) ... [2018-06-22 16:11:09,913 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (1/1) ... [2018-06-22 16:11:09,914 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (1/1) ... [2018-06-22 16:11:09,930 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (1/1) ... [2018-06-22 16:11:09,941 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (1/1) ... [2018-06-22 16:11:09,945 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (1/1) ... [2018-06-22 16:11:09,951 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:11:09,952 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:11:09,952 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:11:09,952 INFO ]: RCFGBuilder initialized [2018-06-22 16:11:09,954 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (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) [2018-06-22 16:11:09,976 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:11:09,976 INFO ]: Found specification of procedure False [2018-06-22 16:11:09,976 INFO ]: Found implementation of procedure False [2018-06-22 16:11:09,976 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:11:09,976 INFO ]: Found specification of procedure state [2018-06-22 16:11:09,976 INFO ]: Found implementation of procedure state [2018-06-22 16:11:09,976 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:11:09,976 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:11:09,976 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 16:11:10,456 INFO ]: Using library mode [2018-06-22 16:11:10,457 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:11:10 BoogieIcfgContainer [2018-06-22 16:11:10,457 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:11:10,458 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:11:10,458 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:11:10,463 INFO ]: TraceAbstraction initialized [2018-06-22 16:11:10,463 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:11:09" (1/3) ... [2018-06-22 16:11:10,464 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a6d1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:11:10, skipping insertion in model container [2018-06-22 16:11:10,464 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:09" (2/3) ... [2018-06-22 16:11:10,464 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a6d1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:11:10, skipping insertion in model container [2018-06-22 16:11:10,464 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:11:10" (3/3) ... [2018-06-22 16:11:10,466 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:11:10,476 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:11:10,487 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:11:10,534 INFO ]: Using default assertion order modulation [2018-06-22 16:11:10,535 INFO ]: Interprodecural is true [2018-06-22 16:11:10,535 INFO ]: Hoare is false [2018-06-22 16:11:10,535 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:11:10,535 INFO ]: Backedges is TWOTRACK [2018-06-22 16:11:10,535 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:11:10,535 INFO ]: Difference is false [2018-06-22 16:11:10,535 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:11:10,535 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:11:10,552 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:11:10,562 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:11:10,562 INFO ]: Found error trace [2018-06-22 16:11:10,563 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:11:10,563 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:11:10,568 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:11:10,571 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:11:10,572 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:11:10,606 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:11:10,606 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:11:10,606 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:11:10,753 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:11:11,011 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:11:11,013 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:11:11,014 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:11:11,015 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:11:11,030 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:11:11,031 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:11:11,034 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:11:11,179 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:11:11,179 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:11:11,180 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:11:11,181 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:11:11,182 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:11:11,196 INFO ]: With dead ends: 13 [2018-06-22 16:11:11,196 INFO ]: Without dead ends: 13 [2018-06-22 16:11:11,198 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 16:11:11,217 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:11:11,259 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:11:11,260 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:11:11,261 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:11:11,262 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:11:11,263 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:11:11,263 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:11:11,263 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:11:11,263 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:11:11,265 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:11:11,265 INFO ]: Found error trace [2018-06-22 16:11:11,265 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:11:11,265 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:11:11,265 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:11:11,265 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:11:11,265 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:11:11,266 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:11:11,266 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:11:11,266 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:11:11,404 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:11:12,582 WARN ]: Spent 743.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 46 [2018-06-22 16:11:12,646 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:11:12,646 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:11:12,646 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 16:11:12,653 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:11:12,852 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:11:12,866 INFO ]: Computing forward predicates... [2018-06-22 16:11:30,535 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 16:11:30,968 WARN ]: Simplifying disjunction of 23328 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:12:18,673 INFO ]: Timeout while computing interpolants [2018-06-22 16:12:18,874 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:12:18,874 WARN ]: Verification canceled [2018-06-22 16:12:18,877 WARN ]: Timeout [2018-06-22 16:12:18,878 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:12:18 BoogieIcfgContainer [2018-06-22 16:12:18,878 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:12:18,878 INFO ]: Toolchain (without parser) took 69141.09 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 232.2 MB in the beginning and 438.4 MB in the end (delta: -206.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:12:18,879 INFO ]: SmtParser took 0.45 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:12:18,879 INFO ]: ChcToBoogie took 114.65 ms. Allocated memory is still 308.8 MB. Free memory was 232.2 MB in the beginning and 229.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:12:18,880 INFO ]: Boogie Preprocessor took 92.07 ms. Allocated memory is still 308.8 MB. Free memory was 229.2 MB in the beginning and 227.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:12:18,880 INFO ]: RCFGBuilder took 505.11 ms. Allocated memory was 308.8 MB in the beginning and 325.6 MB in the end (delta: 16.8 MB). Free memory was 227.2 MB in the beginning and 288.6 MB in the end (delta: -61.4 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:12:18,881 INFO ]: TraceAbstraction took 68420.06 ms. Allocated memory was 325.6 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 288.6 MB in the beginning and 438.4 MB in the end (delta: -149.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:12:18,883 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.45 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 114.65 ms. Allocated memory is still 308.8 MB. Free memory was 232.2 MB in the beginning and 229.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 92.07 ms. Allocated memory is still 308.8 MB. Free memory was 229.2 MB in the beginning and 227.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 505.11 ms. Allocated memory was 308.8 MB in the beginning and 325.6 MB in the end (delta: 16.8 MB). Free memory was 227.2 MB in the beginning and 288.6 MB in the end (delta: -61.4 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68420.06 ms. Allocated memory was 325.6 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 288.6 MB in the beginning and 438.4 MB in the end (delta: -149.8 MB). Peak memory consumption was 1.4 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 XNF transformer was simplifying 23328 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.3s 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/DRAGON_10_e1_998.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-12-18-907.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e1_998.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-12-18-907.csv Completed graceful shutdown