java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022_e3_3628.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:50:17,940 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:50:17,942 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:50:17,963 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:50:17,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:50:17,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:50:17,966 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:50:17,968 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:50:17,970 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:50:17,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:50:17,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:50:17,973 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:50:17,973 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:50:17,974 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:50:17,976 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:50:17,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:50:17,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:50:17,989 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:50:17,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:50:17,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:50:17,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:50:17,997 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:50:17,998 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:50:17,998 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:50:18,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:50:18,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:50:18,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:50:18,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:50:18,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:50:18,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:50:18,010 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:50:18,011 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:50:18,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:50:18,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:50:18,012 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:50:18,013 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:50:18,028 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:50:18,029 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:50:18,029 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:50:18,029 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:50:18,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:50:18,031 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:50:18,031 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:50:18,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:50:18,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:50:18,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:50:18,032 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:50:18,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:50:18,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:50:18,032 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:50:18,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:50:18,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:50:18,033 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:50:18,034 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:50:18,035 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:50:18,080 INFO ]: Repository-Root is: /tmp [2018-06-18 14:50:18,096 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:50:18,099 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:50:18,101 INFO ]: Initializing SmtParser... [2018-06-18 14:50:18,101 INFO ]: SmtParser initialized [2018-06-18 14:50:18,102 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022_e3_3628.smt2 [2018-06-18 14:50:18,103 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 [2018-06-18 14:50:18,185 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022_e3_3628.smt2 unknown [2018-06-18 14:50:18,842 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022_e3_3628.smt2 [2018-06-18 14:50:18,847 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:50:18,852 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:50:18,853 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:50:18,853 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:50:18,853 INFO ]: ChcToBoogie initialized [2018-06-18 14:50:18,860 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:50:18" (1/1) ... [2018-06-18 14:50:19,042 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19 Unit [2018-06-18 14:50:19,043 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:50:19,043 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:50:19,043 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:50:19,044 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:50:19,072 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (1/1) ... [2018-06-18 14:50:19,072 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (1/1) ... [2018-06-18 14:50:19,104 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (1/1) ... [2018-06-18 14:50:19,104 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (1/1) ... [2018-06-18 14:50:19,124 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (1/1) ... [2018-06-18 14:50:19,125 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (1/1) ... [2018-06-18 14:50:19,137 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (1/1) ... [2018-06-18 14:50:19,142 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:50:19,143 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:50:19,143 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:50:19,143 INFO ]: RCFGBuilder initialized [2018-06-18 14:50:19,144 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (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) [2018-06-18 14:50:19,172 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:50:19,172 INFO ]: Found specification of procedure False [2018-06-18 14:50:19,172 INFO ]: Found implementation of procedure False [2018-06-18 14:50:19,172 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:50:19,172 INFO ]: Found specification of procedure state [2018-06-18 14:50:19,172 INFO ]: Found implementation of procedure state [2018-06-18 14:50:19,172 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:50:19,172 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:50:19,172 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 [2018-06-18 14:50:19,775 INFO ]: Using library mode [2018-06-18 14:50:19,776 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:50:19 BoogieIcfgContainer [2018-06-18 14:50:19,776 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:50:19,777 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:50:19,777 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:50:19,784 INFO ]: TraceAbstraction initialized [2018-06-18 14:50:19,784 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:50:18" (1/3) ... [2018-06-18 14:50:19,785 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b83712c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:50:19, skipping insertion in model container [2018-06-18 14:50:19,785 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:19" (2/3) ... [2018-06-18 14:50:19,785 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b83712c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:50:19, skipping insertion in model container [2018-06-18 14:50:19,785 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:50:19" (3/3) ... [2018-06-18 14:50:19,788 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:50:19,798 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:50:19,808 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:50:19,862 INFO ]: Using default assertion order modulation [2018-06-18 14:50:19,863 INFO ]: Interprodecural is true [2018-06-18 14:50:19,863 INFO ]: Hoare is false [2018-06-18 14:50:19,863 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:50:19,863 INFO ]: Backedges is TWOTRACK [2018-06-18 14:50:19,863 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:50:19,863 INFO ]: Difference is false [2018-06-18 14:50:19,863 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:50:19,863 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:50:19,882 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:50:19,901 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:50:19,901 INFO ]: Found error trace [2018-06-18 14:50:19,903 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:50:19,904 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:50:19,909 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:50:19,912 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:50:19,912 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:50:19,970 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:50:19,970 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:50:19,970 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:50:20,147 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:50:20,156 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:50:20,665 WARN ]: Spent 237.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 9 [2018-06-18 14:50:20,668 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:50:20,669 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:50:20,669 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:50:20,671 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:50:20,682 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:50:20,682 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:50:20,685 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:50:20,871 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:50:20,871 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:50:20,873 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:50:20,874 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:50:20,874 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:50:20,894 INFO ]: With dead ends: 13 [2018-06-18 14:50:20,894 INFO ]: Without dead ends: 13 [2018-06-18 14:50:20,896 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:50:20,913 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:50:20,941 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:50:20,942 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:50:20,943 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:50:20,944 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:50:20,945 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:50:20,945 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:50:20,945 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:50:20,945 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:50:20,946 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:50:20,946 INFO ]: Found error trace [2018-06-18 14:50:20,946 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:50:20,947 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:50:20,947 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:50:20,947 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:50:20,947 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:50:20,948 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:50:20,948 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:50:20,948 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:50:21,154 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:50:21,155 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:50:26,820 WARN ]: Spent 4.83 s on a formula simplification. DAG size of input: 507 DAG size of output: 259 [2018-06-18 14:50:27,177 WARN ]: Spent 275.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 1 [2018-06-18 14:50:27,180 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:50:27,180 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:50:27,180 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) [2018-06-18 14:50:27,201 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:50:27,377 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:50:27,395 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 14:51:28,654 INFO ]: Timeout while computing interpolants [2018-06-18 14:51:28,855 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:51:28,855 WARN ]: Verification canceled [2018-06-18 14:51:28,859 WARN ]: Timeout [2018-06-18 14:51:28,859 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:51:28 BoogieIcfgContainer [2018-06-18 14:51:28,859 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:51:28,860 INFO ]: Toolchain (without parser) took 70012.74 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 227.1 MB in the beginning and 828.8 MB in the end (delta: -601.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:51:28,861 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:51:28,861 INFO ]: ChcToBoogie took 190.35 ms. Allocated memory is still 305.7 MB. Free memory was 226.1 MB in the beginning and 218.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:51:28,862 INFO ]: Boogie Preprocessor took 99.13 ms. Allocated memory is still 305.7 MB. Free memory was 218.2 MB in the beginning and 217.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-18 14:51:28,862 INFO ]: RCFGBuilder took 632.87 ms. Allocated memory was 305.7 MB in the beginning and 324.5 MB in the end (delta: 18.9 MB). Free memory was 216.2 MB in the beginning and 278.4 MB in the end (delta: -62.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:51:28,862 INFO ]: TraceAbstraction took 69082.05 ms. Allocated memory was 324.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 278.4 MB in the beginning and 828.8 MB in the end (delta: -550.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:51:28,865 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 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 190.35 ms. Allocated memory is still 305.7 MB. Free memory was 226.1 MB in the beginning and 218.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.13 ms. Allocated memory is still 305.7 MB. Free memory was 218.2 MB in the beginning and 217.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 632.87 ms. Allocated memory was 305.7 MB in the beginning and 324.5 MB in the end (delta: 18.9 MB). Free memory was 216.2 MB in the beginning and 278.4 MB in the end (delta: -62.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69082.05 ms. Allocated memory was 324.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 278.4 MB in the beginning and 828.8 MB in the end (delta: -550.5 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 72 quantified variables from 104 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.0s 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, 0.3s 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, 0.5s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e1_4022_e3_3628.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-51-28-881.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e1_4022_e3_3628.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-51-28-881.csv Completed graceful shutdown