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_7_e2_2872_e2_5844.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:39:49,983 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:39:49,985 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:39:50,003 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:39:50,003 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:39:50,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:39:50,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:39:50,008 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:39:50,010 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:39:50,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:39:50,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:39:50,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:39:50,014 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:39:50,016 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:39:50,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:39:50,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:39:50,027 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:39:50,031 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:39:50,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:39:50,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:39:50,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:39:50,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:39:50,040 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:39:50,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:39:50,041 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:39:50,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:39:50,044 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:39:50,044 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:39:50,045 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:39:50,045 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:39:50,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:39:50,052 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:39:50,052 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:39:50,053 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:39:50,053 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:39:50,054 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:39:50,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:39:50,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:39:50,068 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:39:50,069 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:39:50,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:39:50,070 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:39:50,070 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:39:50,071 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:39:50,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:39:50,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:39:50,071 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:39:50,071 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:39:50,072 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:39:50,072 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:39:50,072 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:39:50,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:39:50,072 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:39:50,074 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:39:50,074 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:39:50,121 INFO ]: Repository-Root is: /tmp [2018-06-18 14:39:50,137 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:39:50,141 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:39:50,143 INFO ]: Initializing SmtParser... [2018-06-18 14:39:50,143 INFO ]: SmtParser initialized [2018-06-18 14:39:50,144 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_7_e2_2872_e2_5844.smt2 [2018-06-18 14:39:50,145 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 14:39:50,229 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_7_e2_2872_e2_5844.smt2 unknown [2018-06-18 14:39:50,934 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_7_e2_2872_e2_5844.smt2 [2018-06-18 14:39:50,939 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:39:50,944 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:39:50,944 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:39:50,944 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:39:50,944 INFO ]: ChcToBoogie initialized [2018-06-18 14:39:50,951 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:39:50" (1/1) ... [2018-06-18 14:39:51,053 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51 Unit [2018-06-18 14:39:51,053 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:39:51,054 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:39:51,054 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:39:51,054 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:39:51,077 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (1/1) ... [2018-06-18 14:39:51,077 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (1/1) ... [2018-06-18 14:39:51,103 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (1/1) ... [2018-06-18 14:39:51,103 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (1/1) ... [2018-06-18 14:39:51,129 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (1/1) ... [2018-06-18 14:39:51,131 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (1/1) ... [2018-06-18 14:39:51,135 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (1/1) ... [2018-06-18 14:39:51,149 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:39:51,149 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:39:51,149 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:39:51,149 INFO ]: RCFGBuilder initialized [2018-06-18 14:39:51,150 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (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 14:39:51,174 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:39:51,174 INFO ]: Found specification of procedure False [2018-06-18 14:39:51,174 INFO ]: Found implementation of procedure False [2018-06-18 14:39:51,174 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:39:51,174 INFO ]: Found specification of procedure state [2018-06-18 14:39:51,174 INFO ]: Found implementation of procedure state [2018-06-18 14:39:51,174 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:39:51,174 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:39:51,174 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 14:39:51,782 INFO ]: Using library mode [2018-06-18 14:39:51,783 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:39:51 BoogieIcfgContainer [2018-06-18 14:39:51,783 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:39:51,785 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:39:51,786 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:39:51,791 INFO ]: TraceAbstraction initialized [2018-06-18 14:39:51,791 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:39:50" (1/3) ... [2018-06-18 14:39:51,792 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:39:51, skipping insertion in model container [2018-06-18 14:39:51,792 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:39:51" (2/3) ... [2018-06-18 14:39:51,792 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:39:51, skipping insertion in model container [2018-06-18 14:39:51,792 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:39:51" (3/3) ... [2018-06-18 14:39:51,794 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:39:51,804 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:39:51,817 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:39:51,864 INFO ]: Using default assertion order modulation [2018-06-18 14:39:51,865 INFO ]: Interprodecural is true [2018-06-18 14:39:51,866 INFO ]: Hoare is false [2018-06-18 14:39:51,866 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:39:51,866 INFO ]: Backedges is TWOTRACK [2018-06-18 14:39:51,866 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:39:51,866 INFO ]: Difference is false [2018-06-18 14:39:51,866 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:39:51,866 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:39:51,894 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:39:51,907 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:39:51,907 INFO ]: Found error trace [2018-06-18 14:39:51,908 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:39:51,908 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:39:51,914 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:39:51,917 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:39:51,917 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:39:51,971 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:39:51,972 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:39:51,972 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:39:52,101 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:39:52,111 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:39:52,436 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:39:52,438 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:39:52,438 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:39:52,440 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:39:52,450 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:39:52,451 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:39:52,453 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:39:52,591 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:39:52,591 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:39:52,593 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:39:52,594 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:39:52,594 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:39:52,609 INFO ]: With dead ends: 13 [2018-06-18 14:39:52,609 INFO ]: Without dead ends: 13 [2018-06-18 14:39:52,611 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 [2018-06-18 14:39:52,631 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:39:52,655 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:39:52,656 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:39:52,657 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:39:52,658 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:39:52,658 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:39:52,659 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:39:52,659 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:39:52,659 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:39:52,660 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:39:52,660 INFO ]: Found error trace [2018-06-18 14:39:52,660 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:39:52,660 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:39:52,661 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:39:52,661 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:39:52,661 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:39:52,662 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:39:52,662 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:39:52,662 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:39:52,816 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:39:52,817 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:39:54,571 WARN ]: Spent 1.44 s on a formula simplification. DAG size of input: 191 DAG size of output: 87 [2018-06-18 14:39:54,727 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:39:54,727 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:39:54,727 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 [2018-06-18 14:39:54,737 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:39:54,887 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:39:54,903 INFO ]: Computing forward predicates... [2018-06-18 14:39:55,042 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 14:39:55,070 WARN ]: expecting exponential blowup for input size 43 Received shutdown request... [2018-06-18 14:40:44,005 INFO ]: Timeout while computing interpolants [2018-06-18 14:40:44,207 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:40:44,207 WARN ]: Verification canceled [2018-06-18 14:40:44,307 WARN ]: Timeout [2018-06-18 14:40:44,307 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:40:44 BoogieIcfgContainer [2018-06-18 14:40:44,307 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:40:44,329 INFO ]: Toolchain (without parser) took 53382.40 ms. Allocated memory was 300.9 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 223.4 MB in the beginning and 1.1 GB in the end (delta: -866.2 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:40:44,330 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 300.9 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:40:44,330 INFO ]: ChcToBoogie took 109.00 ms. Allocated memory is still 300.9 MB. Free memory was 222.4 MB in the beginning and 215.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:40:44,331 INFO ]: Boogie Preprocessor took 95.09 ms. Allocated memory is still 300.9 MB. Free memory was 215.4 MB in the beginning and 213.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:40:44,331 INFO ]: RCFGBuilder took 633.47 ms. Allocated memory was 300.9 MB in the beginning and 322.4 MB in the end (delta: 21.5 MB). Free memory was 213.4 MB in the beginning and 279.1 MB in the end (delta: -65.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:40:44,332 INFO ]: TraceAbstraction took 52521.71 ms. Allocated memory was 322.4 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 279.1 MB in the beginning and 1.1 GB in the end (delta: -810.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 14:40:44,341 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 300.9 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 109.00 ms. Allocated memory is still 300.9 MB. Free memory was 222.4 MB in the beginning and 215.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 95.09 ms. Allocated memory is still 300.9 MB. Free memory was 215.4 MB in the beginning and 213.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 633.47 ms. Allocated memory was 300.9 MB in the beginning and 322.4 MB in the end (delta: 21.5 MB). Free memory was 213.4 MB in the beginning and 279.1 MB in the end (delta: -65.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 52521.71 ms. Allocated memory was 322.4 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 279.1 MB in the beginning and 1.1 GB in the end (delta: -810.4 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 43 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 52.4s 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, 0.3s 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_7_e2_2872_e2_5844.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-40-44-429.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_7_e2_2872_e2_5844.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-40-44-429.csv Completed graceful shutdown