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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e4_1791.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 07:25:14,364 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 07:25:14,367 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 07:25:14,379 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 07:25:14,379 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 07:25:14,380 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 07:25:14,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 07:25:14,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 07:25:14,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 07:25:14,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 07:25:14,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 07:25:14,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 07:25:14,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 07:25:14,392 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 07:25:14,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 07:25:14,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 07:25:14,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 07:25:14,407 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 07:25:14,409 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 07:25:14,410 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 07:25:14,411 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 07:25:14,416 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 07:25:14,416 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 07:25:14,416 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 07:25:14,417 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 07:25:14,418 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 07:25:14,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 07:25:14,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 07:25:14,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 07:25:14,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 07:25:14,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 07:25:14,424 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 07:25:14,427 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 07:25:14,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 07:25:14,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 07:25:14,429 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 07:25:14,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 07:25:14,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 07:25:14,449 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 07:25:14,449 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 07:25:14,450 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 07:25:14,450 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 07:25:14,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 07:25:14,451 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 07:25:14,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 07:25:14,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 07:25:14,451 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 07:25:14,451 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 07:25:14,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 07:25:14,452 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 07:25:14,453 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 07:25:14,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 07:25:14,453 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 07:25:14,454 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 07:25:14,454 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 07:25:14,506 INFO ]: Repository-Root is: /tmp [2018-06-22 07:25:14,522 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 07:25:14,525 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 07:25:14,528 INFO ]: Initializing SmtParser... [2018-06-22 07:25:14,528 INFO ]: SmtParser initialized [2018-06-22 07:25:14,529 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e4_1791.smt2 [2018-06-22 07:25:14,530 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 07:25:14,622 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e4_1791.smt2 unknown [2018-06-22 07:25:15,320 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e4_1791.smt2 [2018-06-22 07:25:15,325 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 07:25:15,331 INFO ]: Walking toolchain with 4 elements. [2018-06-22 07:25:15,332 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 07:25:15,332 INFO ]: Initializing ChcToBoogie... [2018-06-22 07:25:15,332 INFO ]: ChcToBoogie initialized [2018-06-22 07:25:15,335 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:25:15" (1/1) ... [2018-06-22 07:25:15,437 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15 Unit [2018-06-22 07:25:15,437 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 07:25:15,438 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 07:25:15,438 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 07:25:15,438 INFO ]: Boogie Preprocessor initialized [2018-06-22 07:25:15,467 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (1/1) ... [2018-06-22 07:25:15,467 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (1/1) ... [2018-06-22 07:25:15,485 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (1/1) ... [2018-06-22 07:25:15,485 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (1/1) ... [2018-06-22 07:25:15,499 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (1/1) ... [2018-06-22 07:25:15,500 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (1/1) ... [2018-06-22 07:25:15,505 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (1/1) ... [2018-06-22 07:25:15,511 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 07:25:15,512 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 07:25:15,512 INFO ]: Initializing RCFGBuilder... [2018-06-22 07:25:15,512 INFO ]: RCFGBuilder initialized [2018-06-22 07:25:15,513 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (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 07:25:15,545 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 07:25:15,545 INFO ]: Found specification of procedure gotoProc [2018-06-22 07:25:15,545 INFO ]: Found implementation of procedure gotoProc [2018-06-22 07:25:15,545 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 07:25:15,545 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 07:25:15,545 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 07:25:16,150 INFO ]: Using library mode [2018-06-22 07:25:16,150 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:25:16 BoogieIcfgContainer [2018-06-22 07:25:16,151 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 07:25:16,152 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 07:25:16,152 INFO ]: Initializing TraceAbstraction... [2018-06-22 07:25:16,155 INFO ]: TraceAbstraction initialized [2018-06-22 07:25:16,155 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:25:15" (1/3) ... [2018-06-22 07:25:16,156 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55638371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:25:16, skipping insertion in model container [2018-06-22 07:25:16,156 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:25:15" (2/3) ... [2018-06-22 07:25:16,156 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55638371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:25:16, skipping insertion in model container [2018-06-22 07:25:16,156 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:25:16" (3/3) ... [2018-06-22 07:25:16,158 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 07:25:16,168 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 07:25:16,178 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 07:25:16,240 INFO ]: Using default assertion order modulation [2018-06-22 07:25:16,241 INFO ]: Interprodecural is true [2018-06-22 07:25:16,241 INFO ]: Hoare is false [2018-06-22 07:25:16,241 INFO ]: Compute interpolants for FPandBP [2018-06-22 07:25:16,241 INFO ]: Backedges is TWOTRACK [2018-06-22 07:25:16,241 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 07:25:16,241 INFO ]: Difference is false [2018-06-22 07:25:16,241 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 07:25:16,241 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 07:25:16,255 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 07:25:16,270 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 07:25:16,270 INFO ]: Found error trace [2018-06-22 07:25:16,271 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:25:16,271 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:25:16,276 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 07:25:16,279 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:25:16,279 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:25:16,322 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:25:16,322 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:25:16,322 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:25:16,478 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:25:16,976 WARN ]: Spent 277.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2018-06-22 07:25:16,978 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:25:16,980 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 07:25:16,981 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 07:25:16,982 INFO ]: Interpolant automaton has 3 states [2018-06-22 07:25:16,993 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 07:25:16,993 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:25:16,995 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 07:25:17,094 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:25:17,094 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 07:25:17,098 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 07:25:17,099 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 07:25:17,099 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:25:17,109 INFO ]: With dead ends: 9 [2018-06-22 07:25:17,109 INFO ]: Without dead ends: 9 [2018-06-22 07:25:17,112 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:25:17,131 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 07:25:17,155 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 07:25:17,157 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 07:25:17,157 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 07:25:17,159 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 07:25:17,159 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:25:17,159 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 07:25:17,159 INFO ]: Interpolant automaton has 3 states. [2018-06-22 07:25:17,159 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 07:25:17,160 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 07:25:17,160 INFO ]: Found error trace [2018-06-22 07:25:17,160 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:25:17,160 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:25:17,160 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 07:25:17,160 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:25:17,160 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:25:17,161 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:25:17,161 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:25:17,162 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:25:17,417 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:25:18,245 WARN ]: Spent 401.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 2 [2018-06-22 07:25:18,985 WARN ]: Spent 684.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2018-06-22 07:25:18,988 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:25:18,988 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 07:25:18,988 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 07:25:18,996 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:25:19,247 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:25:19,271 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 07:26:28,684 INFO ]: Timeout while computing interpolants [2018-06-22 07:26:28,885 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:26:28,885 WARN ]: Verification canceled [2018-06-22 07:26:28,888 WARN ]: Timeout [2018-06-22 07:26:28,889 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:26:28 BoogieIcfgContainer [2018-06-22 07:26:28,889 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 07:26:28,889 INFO ]: Toolchain (without parser) took 73564.11 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 228.8 MB in the beginning and 362.5 MB in the end (delta: -133.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 07:26:28,890 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 07:26:28,890 INFO ]: ChcToBoogie took 106.20 ms. Allocated memory is still 308.3 MB. Free memory was 228.8 MB in the beginning and 224.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:26:28,892 INFO ]: Boogie Preprocessor took 73.16 ms. Allocated memory is still 308.3 MB. Free memory was 224.8 MB in the beginning and 222.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:26:28,892 INFO ]: RCFGBuilder took 638.75 ms. Allocated memory was 308.3 MB in the beginning and 331.4 MB in the end (delta: 23.1 MB). Free memory was 222.8 MB in the beginning and 276.9 MB in the end (delta: -54.1 MB). Peak memory consumption was 41.3 MB. Max. memory is 3.6 GB. [2018-06-22 07:26:28,893 INFO ]: TraceAbstraction took 72736.98 ms. Allocated memory was 331.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 276.9 MB in the beginning and 362.5 MB in the end (delta: -85.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 07:26:28,903 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 106.20 ms. Allocated memory is still 308.3 MB. Free memory was 228.8 MB in the beginning and 224.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 73.16 ms. Allocated memory is still 308.3 MB. Free memory was 224.8 MB in the beginning and 222.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 638.75 ms. Allocated memory was 308.3 MB in the beginning and 331.4 MB in the end (delta: 23.1 MB). Free memory was 222.8 MB in the beginning and 276.9 MB in the end (delta: -54.1 MB). Peak memory consumption was 41.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72736.98 ms. Allocated memory was 331.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 276.9 MB in the beginning and 362.5 MB in the end (delta: -85.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 75 quantified variables from 107 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 72.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 0.4s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e3_4821_e4_1791.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_07-26-28-915.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e3_4821_e4_1791.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_07-26-28-915.csv Completed graceful shutdown