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_14_e1_2392.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:26:47,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:26:47,102 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:26:47,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:26:47,112 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:26:47,113 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:26:47,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:26:47,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:26:47,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:26:47,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:26:47,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:26:47,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:26:47,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:26:47,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:26:47,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:26:47,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:26:47,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:26:47,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:26:47,127 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:26:47,128 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:26:47,129 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:26:47,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:26:47,132 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:26:47,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:26:47,133 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:26:47,134 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:26:47,134 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:26:47,135 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:26:47,136 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:26:47,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:26:47,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:26:47,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:26:47,138 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:26:47,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:26:47,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:26:47,139 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 16:26:47,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:26:47,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:26:47,157 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:26:47,157 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:26:47,158 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:26:47,158 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:26:47,159 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:26:47,159 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:26:47,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:26:47,159 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:26:47,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:26:47,160 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:26:47,160 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:26:47,160 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:26:47,160 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:26:47,160 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:26:47,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:26:47,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:26:47,161 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:26:47,162 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:26:47,162 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:26:47,206 INFO ]: Repository-Root is: /tmp [2018-06-22 16:26:47,260 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:26:47,264 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:26:47,266 INFO ]: Initializing SmtParser... [2018-06-22 16:26:47,267 INFO ]: SmtParser initialized [2018-06-22 16:26:47,268 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e1_2392.smt2 [2018-06-22 16:26:47,292 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 16:26:47,809 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e1_2392.smt2 unknown [2018-06-22 16:26:48,689 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e1_2392.smt2 [2018-06-22 16:26:48,700 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:26:48,706 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:26:48,706 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:26:48,706 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:26:48,706 INFO ]: ChcToBoogie initialized [2018-06-22 16:26:48,733 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:26:48" (1/1) ... [2018-06-22 16:26:48,815 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48 Unit [2018-06-22 16:26:48,816 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:26:48,816 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:26:48,816 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:26:48,816 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:26:48,843 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (1/1) ... [2018-06-22 16:26:48,844 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (1/1) ... [2018-06-22 16:26:48,870 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (1/1) ... [2018-06-22 16:26:48,870 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (1/1) ... [2018-06-22 16:26:48,888 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (1/1) ... [2018-06-22 16:26:48,890 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (1/1) ... [2018-06-22 16:26:48,895 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (1/1) ... [2018-06-22 16:26:48,900 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:26:48,901 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:26:48,901 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:26:48,901 INFO ]: RCFGBuilder initialized [2018-06-22 16:26:48,901 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:26:48,936 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:26:48,936 INFO ]: Found specification of procedure False [2018-06-22 16:26:48,936 INFO ]: Found implementation of procedure False [2018-06-22 16:26:48,936 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:26:48,936 INFO ]: Found specification of procedure state [2018-06-22 16:26:48,936 INFO ]: Found implementation of procedure state [2018-06-22 16:26:48,936 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:26:48,936 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:26:48,936 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:26:49,481 INFO ]: Using library mode [2018-06-22 16:26:49,482 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:26:49 BoogieIcfgContainer [2018-06-22 16:26:49,482 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:26:49,483 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:26:49,483 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:26:49,490 INFO ]: TraceAbstraction initialized [2018-06-22 16:26:49,491 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:26:48" (1/3) ... [2018-06-22 16:26:49,491 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c5f4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:26:49, skipping insertion in model container [2018-06-22 16:26:49,491 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:26:48" (2/3) ... [2018-06-22 16:26:49,492 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c5f4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:26:49, skipping insertion in model container [2018-06-22 16:26:49,492 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:26:49" (3/3) ... [2018-06-22 16:26:49,494 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:26:49,503 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:26:49,514 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:26:49,562 INFO ]: Using default assertion order modulation [2018-06-22 16:26:49,563 INFO ]: Interprodecural is true [2018-06-22 16:26:49,563 INFO ]: Hoare is false [2018-06-22 16:26:49,563 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:26:49,563 INFO ]: Backedges is TWOTRACK [2018-06-22 16:26:49,563 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:26:49,563 INFO ]: Difference is false [2018-06-22 16:26:49,563 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:26:49,563 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:26:49,577 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:26:49,588 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:26:49,588 INFO ]: Found error trace [2018-06-22 16:26:49,589 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:26:49,589 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:26:49,594 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:26:49,596 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:26:49,597 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:26:49,635 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:26:49,635 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:26:49,635 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:26:49,775 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:26:50,138 WARN ]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-22 16:26:50,140 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:26:50,142 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:26:50,142 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:26:50,143 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:26:50,157 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:26:50,158 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:26:50,159 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:26:50,312 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:26:50,312 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:26:50,313 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:26:50,314 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:26:50,314 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:26:50,323 INFO ]: With dead ends: 13 [2018-06-22 16:26:50,323 INFO ]: Without dead ends: 13 [2018-06-22 16:26:50,324 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 16:26:50,337 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:26:50,369 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:26:50,370 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:26:50,371 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:26:50,372 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:26:50,372 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:26:50,372 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:26:50,372 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:26:50,372 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:26:50,373 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:26:50,373 INFO ]: Found error trace [2018-06-22 16:26:50,373 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:26:50,374 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:26:50,374 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:26:50,374 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:26:50,374 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:26:50,375 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:26:50,375 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:26:50,375 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:26:50,484 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:26:51,939 WARN ]: Spent 1.07 s on a formula simplification. DAG size of input: 161 DAG size of output: 60 [2018-06-22 16:26:52,106 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:26:52,106 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:26:52,106 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 16:26:52,114 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:26:52,311 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:26:52,337 INFO ]: Computing forward predicates... [2018-06-22 16:26:52,501 WARN ]: expecting exponential blowup for input size 33 Received shutdown request... [2018-06-22 16:27:46,030 INFO ]: Timeout while computing interpolants [2018-06-22 16:27:46,231 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:27:46,231 WARN ]: Verification canceled [2018-06-22 16:27:46,234 WARN ]: Timeout [2018-06-22 16:27:46,235 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:27:46 BoogieIcfgContainer [2018-06-22 16:27:46,235 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:27:46,235 INFO ]: Toolchain (without parser) took 57535.15 ms. Allocated memory was 304.1 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 224.6 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:27:46,236 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:27:46,236 INFO ]: ChcToBoogie took 109.59 ms. Allocated memory is still 304.1 MB. Free memory was 224.6 MB in the beginning and 220.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:27:46,236 INFO ]: Boogie Preprocessor took 83.71 ms. Allocated memory is still 304.1 MB. Free memory was 220.6 MB in the beginning and 218.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:27:46,237 INFO ]: RCFGBuilder took 581.10 ms. Allocated memory was 304.1 MB in the beginning and 323.5 MB in the end (delta: 19.4 MB). Free memory was 218.6 MB in the beginning and 282.8 MB in the end (delta: -64.2 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:27:46,237 INFO ]: TraceAbstraction took 56751.68 ms. Allocated memory was 323.5 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 282.8 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:27:46,239 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 304.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 109.59 ms. Allocated memory is still 304.1 MB. Free memory was 224.6 MB in the beginning and 220.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 83.71 ms. Allocated memory is still 304.1 MB. Free memory was 220.6 MB in the beginning and 218.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 581.10 ms. Allocated memory was 304.1 MB in the beginning and 323.5 MB in the end (delta: 19.4 MB). Free memory was 218.6 MB in the beginning and 282.8 MB in the end (delta: -64.2 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 56751.68 ms. Allocated memory was 323.5 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 282.8 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 33 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 56.6s 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, 0.2s 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, 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_14_e1_2392.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-27-46-257.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e1_2392.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-27-46-257.csv Completed graceful shutdown