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_e1_5887.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:15:12,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:15:12,193 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:15:12,207 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:15:12,207 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:15:12,208 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:15:12,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:15:12,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:15:12,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:15:12,215 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:15:12,217 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:15:12,218 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:15:12,218 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:15:12,221 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:15:12,222 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:15:12,222 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:15:12,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:15:12,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:15:12,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:15:12,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:15:12,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:15:12,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:15:12,240 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:15:12,240 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:15:12,241 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:15:12,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:15:12,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:15:12,246 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:15:12,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:15:12,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:15:12,251 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:15:12,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:15:12,252 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:15:12,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:15:12,253 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:15:12,253 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 16:15:12,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:15:12,273 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:15:12,273 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:15:12,273 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:15:12,274 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:15:12,275 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:15:12,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:15:12,275 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:15:12,275 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:15:12,275 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:15:12,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:15:12,276 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:15:12,276 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:15:12,276 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:15:12,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:15:12,276 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:15:12,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:15:12,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:15:12,279 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:15:12,281 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:15:12,281 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:15:12,327 INFO ]: Repository-Root is: /tmp [2018-06-22 16:15:12,339 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:15:12,342 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:15:12,343 INFO ]: Initializing SmtParser... [2018-06-22 16:15:12,343 INFO ]: SmtParser initialized [2018-06-22 16:15:12,345 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450_e1_5887.smt2 [2018-06-22 16:15:12,346 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 16:15:12,436 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450_e1_5887.smt2 unknown [2018-06-22 16:15:13,051 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450_e1_5887.smt2 [2018-06-22 16:15:13,056 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:15:13,063 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:15:13,063 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:15:13,063 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:15:13,063 INFO ]: ChcToBoogie initialized [2018-06-22 16:15:13,074 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:15:13" (1/1) ... [2018-06-22 16:15:13,167 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13 Unit [2018-06-22 16:15:13,168 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:15:13,168 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:15:13,168 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:15:13,168 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:15:13,200 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (1/1) ... [2018-06-22 16:15:13,200 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (1/1) ... [2018-06-22 16:15:13,229 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (1/1) ... [2018-06-22 16:15:13,229 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (1/1) ... [2018-06-22 16:15:13,250 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (1/1) ... [2018-06-22 16:15:13,251 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (1/1) ... [2018-06-22 16:15:13,265 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (1/1) ... [2018-06-22 16:15:13,271 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:15:13,271 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:15:13,272 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:15:13,272 INFO ]: RCFGBuilder initialized [2018-06-22 16:15:13,272 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (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 16:15:13,299 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:15:13,299 INFO ]: Found specification of procedure False [2018-06-22 16:15:13,299 INFO ]: Found implementation of procedure False [2018-06-22 16:15:13,299 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:15:13,299 INFO ]: Found specification of procedure state [2018-06-22 16:15:13,299 INFO ]: Found implementation of procedure state [2018-06-22 16:15:13,299 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:15:13,299 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:15:13,300 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 16:15:13,881 INFO ]: Using library mode [2018-06-22 16:15:13,882 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:15:13 BoogieIcfgContainer [2018-06-22 16:15:13,882 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:15:13,883 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:15:13,883 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:15:13,887 INFO ]: TraceAbstraction initialized [2018-06-22 16:15:13,888 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:15:13" (1/3) ... [2018-06-22 16:15:13,889 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c8037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:15:13, skipping insertion in model container [2018-06-22 16:15:13,889 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:13" (2/3) ... [2018-06-22 16:15:13,889 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c8037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:15:13, skipping insertion in model container [2018-06-22 16:15:13,889 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:15:13" (3/3) ... [2018-06-22 16:15:13,892 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:15:13,901 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:15:13,911 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:15:13,958 INFO ]: Using default assertion order modulation [2018-06-22 16:15:13,958 INFO ]: Interprodecural is true [2018-06-22 16:15:13,958 INFO ]: Hoare is false [2018-06-22 16:15:13,959 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:15:13,959 INFO ]: Backedges is TWOTRACK [2018-06-22 16:15:13,959 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:15:13,959 INFO ]: Difference is false [2018-06-22 16:15:13,959 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:15:13,959 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:15:13,974 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:15:13,986 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:15:13,987 INFO ]: Found error trace [2018-06-22 16:15:13,987 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:15:13,987 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:15:13,993 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:15:13,995 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:15:13,995 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:15:14,040 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:15:14,040 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:15:14,040 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:15:14,137 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:15:14,495 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:15:14,498 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:15:14,498 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:15:14,499 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:15:14,514 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:15:14,515 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:15:14,517 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:15:14,672 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:15:14,673 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:15:14,674 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:15:14,675 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:15:14,675 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:15:14,687 INFO ]: With dead ends: 13 [2018-06-22 16:15:14,687 INFO ]: Without dead ends: 13 [2018-06-22 16:15:14,689 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 16:15:14,706 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:15:14,743 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:15:14,744 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:15:14,745 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:15:14,746 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:15:14,746 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:15:14,746 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:15:14,746 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:15:14,746 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:15:14,747 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:15:14,747 INFO ]: Found error trace [2018-06-22 16:15:14,747 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:15:14,748 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:15:14,748 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:15:14,748 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:15:14,748 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:15:14,748 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:15:14,748 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:15:14,748 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:15:14,838 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:15:15,886 WARN ]: Spent 679.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2018-06-22 16:15:16,040 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:15:16,040 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:15:16,040 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 16:15:16,046 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:15:16,229 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:15:16,246 INFO ]: Computing forward predicates... [2018-06-22 16:15:16,748 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 16:15:32,943 WARN ]: Simplifying disjunction of 559872 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:16:28,255 INFO ]: Timeout while computing interpolants [2018-06-22 16:16:28,455 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:16:28,455 WARN ]: Verification canceled [2018-06-22 16:16:28,460 WARN ]: Timeout [2018-06-22 16:16:28,461 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:16:28 BoogieIcfgContainer [2018-06-22 16:16:28,461 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:16:28,462 INFO ]: Toolchain (without parser) took 75405.47 ms. Allocated memory was 308.3 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 231.7 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.8 GB. Max. memory is 3.6 GB. [2018-06-22 16:16:28,463 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:16:28,463 INFO ]: ChcToBoogie took 104.74 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 226.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:16:28,463 INFO ]: Boogie Preprocessor took 102.77 ms. Allocated memory is still 308.3 MB. Free memory was 226.7 MB in the beginning and 223.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:16:28,464 INFO ]: RCFGBuilder took 610.34 ms. Allocated memory was 308.3 MB in the beginning and 324.5 MB in the end (delta: 16.3 MB). Free memory was 223.7 MB in the beginning and 284.7 MB in the end (delta: -61.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:16:28,464 INFO ]: TraceAbstraction took 74577.53 ms. Allocated memory was 324.5 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 284.7 MB in the beginning and 1.3 GB in the end (delta: -993.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 3.6 GB. [2018-06-22 16:16:28,468 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 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 104.74 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 226.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 102.77 ms. Allocated memory is still 308.3 MB. Free memory was 226.7 MB in the beginning and 223.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 610.34 ms. Allocated memory was 308.3 MB in the beginning and 324.5 MB in the end (delta: 16.3 MB). Free memory was 223.7 MB in the beginning and 284.7 MB in the end (delta: -61.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74577.53 ms. Allocated memory was 324.5 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 284.7 MB in the beginning and 1.3 GB in the end (delta: -993.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 559872 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.5s 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, 0.0s 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_e1_5887.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-16-28-488.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e1_2450_e1_5887.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-16-28-488.csv Completed graceful shutdown