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_e7_3162_e1_3998.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:28:59,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:28:59,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:28:59,304 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:28:59,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:28:59,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:28:59,307 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:28:59,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:28:59,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:28:59,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:28:59,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:28:59,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:28:59,316 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:28:59,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:28:59,317 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:28:59,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:28:59,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:28:59,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:28:59,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:28:59,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:28:59,325 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:28:59,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:28:59,328 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:28:59,328 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:28:59,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:28:59,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:28:59,330 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:28:59,335 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:28:59,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:28:59,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:28:59,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:28:59,338 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:28:59,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:28:59,339 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:28:59,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:28:59,339 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 16:28:59,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:28:59,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:28:59,360 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:28:59,360 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:28:59,361 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:28:59,361 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:28:59,362 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:28:59,362 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:28:59,362 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:28:59,362 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:28:59,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:28:59,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:28:59,363 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:28:59,363 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:28:59,363 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:28:59,363 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:28:59,363 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:28:59,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:28:59,364 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:28:59,365 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:28:59,365 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:28:59,409 INFO ]: Repository-Root is: /tmp [2018-06-22 16:28:59,426 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:28:59,433 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:28:59,435 INFO ]: Initializing SmtParser... [2018-06-22 16:28:59,435 INFO ]: SmtParser initialized [2018-06-22 16:28:59,436 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162_e1_3998.smt2 [2018-06-22 16:28:59,437 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 16:28:59,527 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162_e1_3998.smt2 unknown [2018-06-22 16:29:00,262 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162_e1_3998.smt2 [2018-06-22 16:29:00,266 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:29:00,272 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:29:00,273 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:29:00,273 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:29:00,273 INFO ]: ChcToBoogie initialized [2018-06-22 16:29:00,276 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:29:00" (1/1) ... [2018-06-22 16:29:00,333 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00 Unit [2018-06-22 16:29:00,333 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:29:00,334 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:29:00,334 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:29:00,334 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:29:00,356 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (1/1) ... [2018-06-22 16:29:00,357 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (1/1) ... [2018-06-22 16:29:00,370 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (1/1) ... [2018-06-22 16:29:00,370 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (1/1) ... [2018-06-22 16:29:00,385 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (1/1) ... [2018-06-22 16:29:00,386 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (1/1) ... [2018-06-22 16:29:00,390 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (1/1) ... [2018-06-22 16:29:00,398 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:29:00,398 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:29:00,398 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:29:00,398 INFO ]: RCFGBuilder initialized [2018-06-22 16:29:00,399 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (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 16:29:00,412 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:29:00,412 INFO ]: Found specification of procedure False [2018-06-22 16:29:00,412 INFO ]: Found implementation of procedure False [2018-06-22 16:29:00,412 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:29:00,412 INFO ]: Found specification of procedure state [2018-06-22 16:29:00,412 INFO ]: Found implementation of procedure state [2018-06-22 16:29:00,412 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:29:00,412 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:29:00,412 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 16:29:00,926 INFO ]: Using library mode [2018-06-22 16:29:00,927 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:29:00 BoogieIcfgContainer [2018-06-22 16:29:00,927 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:29:00,929 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:29:00,929 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:29:00,932 INFO ]: TraceAbstraction initialized [2018-06-22 16:29:00,932 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:29:00" (1/3) ... [2018-06-22 16:29:00,933 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd8f747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:29:00, skipping insertion in model container [2018-06-22 16:29:00,933 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:29:00" (2/3) ... [2018-06-22 16:29:00,933 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd8f747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:29:00, skipping insertion in model container [2018-06-22 16:29:00,933 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:29:00" (3/3) ... [2018-06-22 16:29:00,935 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:29:00,944 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:29:00,954 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:29:01,001 INFO ]: Using default assertion order modulation [2018-06-22 16:29:01,002 INFO ]: Interprodecural is true [2018-06-22 16:29:01,002 INFO ]: Hoare is false [2018-06-22 16:29:01,002 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:29:01,002 INFO ]: Backedges is TWOTRACK [2018-06-22 16:29:01,002 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:29:01,002 INFO ]: Difference is false [2018-06-22 16:29:01,002 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:29:01,002 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:29:01,018 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:29:01,031 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:29:01,031 INFO ]: Found error trace [2018-06-22 16:29:01,031 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:29:01,032 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:29:01,037 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:29:01,039 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:29:01,040 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:29:01,088 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:29:01,089 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:29:01,089 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:29:01,226 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:29:01,540 WARN ]: Spent 113.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-22 16:29:01,543 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:29:01,546 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:29:01,546 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:29:01,547 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:29:01,559 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:29:01,559 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:29:01,561 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:29:01,706 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:29:01,706 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:29:01,707 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:29:01,708 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:29:01,709 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:29:01,719 INFO ]: With dead ends: 13 [2018-06-22 16:29:01,719 INFO ]: Without dead ends: 13 [2018-06-22 16:29:01,720 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:29:01,732 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:29:01,751 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:29:01,753 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:29:01,753 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:29:01,754 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:29:01,754 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:29:01,754 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:29:01,755 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:29:01,755 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:29:01,756 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:29:01,756 INFO ]: Found error trace [2018-06-22 16:29:01,756 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:29:01,756 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:29:01,756 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:29:01,756 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:29:01,756 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:29:01,757 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:29:01,757 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:29:01,757 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:29:01,933 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:29:03,560 WARN ]: Spent 1.32 s on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2018-06-22 16:29:03,634 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:29:03,634 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:29:03,634 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 16:29:03,643 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:29:03,845 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:29:03,861 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 16:30:11,048 INFO ]: Timeout while computing interpolants [2018-06-22 16:30:11,249 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:30:11,249 WARN ]: Verification canceled [2018-06-22 16:30:11,254 WARN ]: Timeout [2018-06-22 16:30:11,254 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:30:11 BoogieIcfgContainer [2018-06-22 16:30:11,254 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:30:11,255 INFO ]: Toolchain (without parser) took 70987.96 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 229.3 MB in the beginning and 678.2 MB in the end (delta: -449.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:30:11,256 INFO ]: SmtParser took 0.25 ms. Allocated memory is still 306.7 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:30:11,256 INFO ]: ChcToBoogie took 61.11 ms. Allocated memory is still 306.7 MB. Free memory was 229.3 MB in the beginning and 226.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:30:11,256 INFO ]: Boogie Preprocessor took 63.60 ms. Allocated memory is still 306.7 MB. Free memory was 226.3 MB in the beginning and 223.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:30:11,257 INFO ]: RCFGBuilder took 528.94 ms. Allocated memory was 306.7 MB in the beginning and 323.5 MB in the end (delta: 16.8 MB). Free memory was 223.3 MB in the beginning and 285.1 MB in the end (delta: -61.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:30:11,257 INFO ]: TraceAbstraction took 70324.90 ms. Allocated memory was 323.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 285.1 MB in the beginning and 678.2 MB in the end (delta: -393.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:30:11,271 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.25 ms. Allocated memory is still 306.7 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.11 ms. Allocated memory is still 306.7 MB. Free memory was 229.3 MB in the beginning and 226.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 63.60 ms. Allocated memory is still 306.7 MB. Free memory was 226.3 MB in the beginning and 223.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 528.94 ms. Allocated memory was 306.7 MB in the beginning and 323.5 MB in the end (delta: 16.8 MB). Free memory was 223.3 MB in the beginning and 285.1 MB in the end (delta: -61.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70324.90 ms. Allocated memory was 323.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 285.1 MB in the beginning and 678.2 MB in the end (delta: -393.1 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 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 28 quantified variables from 31 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e7_3162_e1_3998.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-30-11-289.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e7_3162_e1_3998.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-30-11-289.csv Completed graceful shutdown