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_11_e1_2450.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:17:08,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:17:08,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:17:08,066 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:17:08,066 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:17:08,067 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:17:08,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:17:08,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:17:08,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:17:08,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:17:08,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:17:08,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:17:08,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:17:08,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:17:08,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:17:08,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:17:08,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:17:08,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:17:08,104 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:17:08,105 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:17:08,106 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:17:08,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:17:08,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:17:08,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:17:08,114 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:17:08,115 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:17:08,116 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:17:08,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:17:08,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:17:08,120 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:17:08,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:17:08,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:17:08,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:17:08,123 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:17:08,126 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:17:08,126 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 16:17:08,160 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:17:08,161 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:17:08,161 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:17:08,161 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:17:08,162 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:17:08,163 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:17:08,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:17:08,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:17:08,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:17:08,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:17:08,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:17:08,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:17:08,172 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:17:08,172 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:17:08,173 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:17:08,173 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:17:08,177 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:17:08,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:17:08,177 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:17:08,179 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:17:08,179 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:17:08,245 INFO ]: Repository-Root is: /tmp [2018-06-22 16:17:08,265 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:17:08,273 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:17:08,274 INFO ]: Initializing SmtParser... [2018-06-22 16:17:08,275 INFO ]: SmtParser initialized [2018-06-22 16:17:08,275 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450.smt2 [2018-06-22 16:17:08,277 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 16:17:08,374 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450.smt2 unknown [2018-06-22 16:17:09,032 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450.smt2 [2018-06-22 16:17:09,037 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:17:09,043 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:17:09,044 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:17:09,044 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:17:09,044 INFO ]: ChcToBoogie initialized [2018-06-22 16:17:09,048 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:17:09" (1/1) ... [2018-06-22 16:17:09,125 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09 Unit [2018-06-22 16:17:09,125 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:17:09,126 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:17:09,126 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:17:09,126 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:17:09,166 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (1/1) ... [2018-06-22 16:17:09,166 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (1/1) ... [2018-06-22 16:17:09,199 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (1/1) ... [2018-06-22 16:17:09,199 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (1/1) ... [2018-06-22 16:17:09,225 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (1/1) ... [2018-06-22 16:17:09,226 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (1/1) ... [2018-06-22 16:17:09,230 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (1/1) ... [2018-06-22 16:17:09,245 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:17:09,245 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:17:09,245 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:17:09,246 INFO ]: RCFGBuilder initialized [2018-06-22 16:17:09,247 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (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 16:17:09,264 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:17:09,264 INFO ]: Found specification of procedure False [2018-06-22 16:17:09,264 INFO ]: Found implementation of procedure False [2018-06-22 16:17:09,264 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:17:09,264 INFO ]: Found specification of procedure state [2018-06-22 16:17:09,264 INFO ]: Found implementation of procedure state [2018-06-22 16:17:09,265 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:17:09,265 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:17:09,265 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 16:17:09,842 INFO ]: Using library mode [2018-06-22 16:17:09,843 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:17:09 BoogieIcfgContainer [2018-06-22 16:17:09,843 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:17:09,844 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:17:09,844 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:17:09,850 INFO ]: TraceAbstraction initialized [2018-06-22 16:17:09,850 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:17:09" (1/3) ... [2018-06-22 16:17:09,851 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a0e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:17:09, skipping insertion in model container [2018-06-22 16:17:09,851 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:17:09" (2/3) ... [2018-06-22 16:17:09,851 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a0e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:17:09, skipping insertion in model container [2018-06-22 16:17:09,851 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:17:09" (3/3) ... [2018-06-22 16:17:09,854 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:17:09,865 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:17:09,878 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:17:09,930 INFO ]: Using default assertion order modulation [2018-06-22 16:17:09,931 INFO ]: Interprodecural is true [2018-06-22 16:17:09,931 INFO ]: Hoare is false [2018-06-22 16:17:09,931 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:17:09,931 INFO ]: Backedges is TWOTRACK [2018-06-22 16:17:09,931 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:17:09,931 INFO ]: Difference is false [2018-06-22 16:17:09,931 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:17:09,931 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:17:09,949 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:17:09,965 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:17:09,965 INFO ]: Found error trace [2018-06-22 16:17:09,966 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:17:09,966 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:17:09,972 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:17:09,974 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:17:09,975 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:17:10,026 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:17:10,027 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:17:10,027 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:17:10,191 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:17:10,547 WARN ]: Spent 100.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 1 [2018-06-22 16:17:10,550 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:17:10,552 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:17:10,552 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:17:10,554 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:17:10,570 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:17:10,570 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:17:10,573 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:17:10,749 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:17:10,749 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:17:10,750 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:17:10,752 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:17:10,752 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:17:10,767 INFO ]: With dead ends: 13 [2018-06-22 16:17:10,767 INFO ]: Without dead ends: 13 [2018-06-22 16:17:10,770 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 16:17:10,790 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:17:10,830 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:17:10,831 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:17:10,832 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:17:10,833 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:17:10,834 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:17:10,834 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:17:10,834 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:17:10,834 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:17:10,835 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:17:10,835 INFO ]: Found error trace [2018-06-22 16:17:10,835 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:17:10,835 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:17:10,836 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:17:10,836 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:17:10,836 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:17:10,837 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:17:10,837 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:17:10,837 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:17:11,004 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:17:12,494 WARN ]: Spent 1.16 s on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2018-06-22 16:17:12,588 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:17:12,588 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:17:12,588 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 16:17:12,601 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:17:12,841 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:17:12,856 INFO ]: Computing forward predicates... [2018-06-22 16:17:13,253 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 16:17:19,548 WARN ]: Simplifying disjunction of 279936 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:18:25,636 INFO ]: Timeout while computing interpolants [2018-06-22 16:18:25,837 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:18:25,837 WARN ]: Verification canceled [2018-06-22 16:18:25,841 WARN ]: Timeout [2018-06-22 16:18:25,841 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:18:25 BoogieIcfgContainer [2018-06-22 16:18:25,841 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:18:25,842 INFO ]: Toolchain (without parser) took 76804.21 ms. Allocated memory was 302.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 222.5 MB in the beginning and 382.7 MB in the end (delta: -160.2 MB). Peak memory consumption was 913.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:18:25,843 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 302.0 MB. Free memory is still 266.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:18:25,843 INFO ]: ChcToBoogie took 81.44 ms. Allocated memory is still 302.0 MB. Free memory was 222.5 MB in the beginning and 218.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:18:25,843 INFO ]: Boogie Preprocessor took 119.18 ms. Allocated memory is still 302.0 MB. Free memory was 218.5 MB in the beginning and 216.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:18:25,844 INFO ]: RCFGBuilder took 597.47 ms. Allocated memory was 302.0 MB in the beginning and 323.0 MB in the end (delta: 21.0 MB). Free memory was 216.5 MB in the beginning and 283.7 MB in the end (delta: -67.2 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:18:25,844 INFO ]: TraceAbstraction took 75996.82 ms. Allocated memory was 323.0 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 283.7 MB in the beginning and 382.7 MB in the end (delta: -99.0 MB). Peak memory consumption was 953.4 MB. Max. memory is 3.6 GB. [2018-06-22 16:18:25,857 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 302.0 MB. Free memory is still 266.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 81.44 ms. Allocated memory is still 302.0 MB. Free memory was 222.5 MB in the beginning and 218.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 119.18 ms. Allocated memory is still 302.0 MB. Free memory was 218.5 MB in the beginning and 216.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 597.47 ms. Allocated memory was 302.0 MB in the beginning and 323.0 MB in the end (delta: 21.0 MB). Free memory was 216.5 MB in the beginning and 283.7 MB in the end (delta: -67.2 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75996.82 ms. Allocated memory was 323.0 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 283.7 MB in the beginning and 382.7 MB in the end (delta: -99.0 MB). Peak memory consumption was 953.4 MB. 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 279936 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.9s 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_11_e1_2450.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-18-25-866.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e1_2450.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-18-25-866.csv Completed graceful shutdown