java -Xss4m -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_5_e7_2017.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 14:38:40,514 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 14:38:40,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 14:38:40,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 14:38:40,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 14:38:40,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 14:38:40,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 14:38:40,535 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 14:38:40,537 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 14:38:40,537 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 14:38:40,539 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 14:38:40,539 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 14:38:40,540 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 14:38:40,541 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 14:38:40,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 14:38:40,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 14:38:40,547 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 14:38:40,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 14:38:40,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 14:38:40,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 14:38:40,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 14:38:40,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 14:38:40,565 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 14:38:40,565 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 14:38:40,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 14:38:40,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 14:38:40,567 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 14:38:40,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 14:38:40,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 14:38:40,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 14:38:40,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 14:38:40,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 14:38:40,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 14:38:40,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 14:38:40,576 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 14:38:40,577 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 14:38:40,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 14:38:40,596 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 14:38:40,596 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 14:38:40,596 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 14:38:40,597 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 14:38:40,597 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 14:38:40,598 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 14:38:40,598 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 14:38:40,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 14:38:40,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 14:38:40,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 14:38:40,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 14:38:40,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 14:38:40,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 14:38:40,599 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 14:38:40,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 14:38:40,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 14:38:40,600 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 14:38:40,600 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 14:38:40,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 14:38:40,600 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 14:38:40,601 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 14:38:40,602 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 14:38:40,641 INFO ]: Repository-Root is: /tmp [2018-06-25 14:38:40,653 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 14:38:40,662 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 14:38:40,663 INFO ]: Initializing SmtParser... [2018-06-25 14:38:40,664 INFO ]: SmtParser initialized [2018-06-25 14:38:40,664 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017.smt2 [2018-06-25 14:38:40,665 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 [2018-06-25 14:38:40,760 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017.smt2 unknown [2018-06-25 14:38:41,522 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017.smt2 [2018-06-25 14:38:41,527 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 14:38:41,536 INFO ]: Walking toolchain with 4 elements. [2018-06-25 14:38:41,536 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 14:38:41,536 INFO ]: Initializing ChcToBoogie... [2018-06-25 14:38:41,537 INFO ]: ChcToBoogie initialized [2018-06-25 14:38:41,540 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 02:38:41" (1/1) ... [2018-06-25 14:38:41,644 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41 Unit [2018-06-25 14:38:41,644 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 14:38:41,644 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 14:38:41,644 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 14:38:41,644 INFO ]: Boogie Preprocessor initialized [2018-06-25 14:38:41,665 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (1/1) ... [2018-06-25 14:38:41,665 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (1/1) ... [2018-06-25 14:38:41,690 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (1/1) ... [2018-06-25 14:38:41,690 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (1/1) ... [2018-06-25 14:38:41,709 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (1/1) ... [2018-06-25 14:38:41,710 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (1/1) ... [2018-06-25 14:38:41,721 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (1/1) ... [2018-06-25 14:38:41,728 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 14:38:41,728 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 14:38:41,728 INFO ]: Initializing RCFGBuilder... [2018-06-25 14:38:41,728 INFO ]: RCFGBuilder initialized [2018-06-25 14:38:41,729 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (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) [2018-06-25 14:38:41,742 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 14:38:41,742 INFO ]: Found specification of procedure gotoProc [2018-06-25 14:38:41,742 INFO ]: Found implementation of procedure gotoProc [2018-06-25 14:38:41,742 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 14:38:41,742 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 14:38:41,742 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 [2018-06-25 14:38:42,387 INFO ]: Using library mode [2018-06-25 14:38:42,388 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 02:38:42 BoogieIcfgContainer [2018-06-25 14:38:42,396 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 14:38:42,397 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 14:38:42,397 INFO ]: Initializing TraceAbstraction... [2018-06-25 14:38:42,401 INFO ]: TraceAbstraction initialized [2018-06-25 14:38:42,401 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 02:38:41" (1/3) ... [2018-06-25 14:38:42,402 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5803b21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 02:38:42, skipping insertion in model container [2018-06-25 14:38:42,402 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:38:41" (2/3) ... [2018-06-25 14:38:42,402 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5803b21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 02:38:42, skipping insertion in model container [2018-06-25 14:38:42,402 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 02:38:42" (3/3) ... [2018-06-25 14:38:42,404 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 14:38:42,414 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 14:38:42,424 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 14:38:42,475 INFO ]: Using default assertion order modulation [2018-06-25 14:38:42,475 INFO ]: Interprodecural is true [2018-06-25 14:38:42,475 INFO ]: Hoare is false [2018-06-25 14:38:42,475 INFO ]: Compute interpolants for FPandBP [2018-06-25 14:38:42,475 INFO ]: Backedges is TWOTRACK [2018-06-25 14:38:42,475 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 14:38:42,475 INFO ]: Difference is false [2018-06-25 14:38:42,475 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 14:38:42,475 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 14:38:42,488 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 14:38:42,503 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 14:38:42,503 INFO ]: Found error trace [2018-06-25 14:38:42,506 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 14:38:42,506 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 14:38:42,511 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-25 14:38:42,514 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 14:38:42,515 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 14:38:42,560 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 14:38:42,560 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 14:38:42,560 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 14:38:42,730 INFO ]: Conjunction of SSA is unsat [2018-06-25 14:38:42,975 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 14:38:42,977 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 14:38:42,977 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 14:38:42,979 INFO ]: Interpolant automaton has 3 states [2018-06-25 14:38:43,011 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 14:38:43,012 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 14:38:43,014 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 14:38:43,146 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 14:38:43,146 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 14:38:43,148 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 14:38:43,150 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 14:38:43,150 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 14:38:43,160 INFO ]: With dead ends: 9 [2018-06-25 14:38:43,160 INFO ]: Without dead ends: 9 [2018-06-25 14:38:43,162 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 14:38:43,180 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 14:38:43,204 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 14:38:43,205 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 14:38:43,206 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 14:38:43,207 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 14:38:43,207 INFO ]: Finished accepts. word is rejected. [2018-06-25 14:38:43,207 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 14:38:43,207 INFO ]: Interpolant automaton has 3 states. [2018-06-25 14:38:43,207 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 14:38:43,207 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 14:38:43,207 INFO ]: Found error trace [2018-06-25 14:38:43,207 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 14:38:43,208 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 14:38:43,209 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-25 14:38:43,209 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 14:38:43,209 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 14:38:43,210 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 14:38:43,210 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 14:38:43,210 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 14:38:43,350 INFO ]: Conjunction of SSA is unsat [2018-06-25 14:38:43,870 WARN ]: Spent 241.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-06-25 14:38:43,872 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 14:38:43,872 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 14:38:43,873 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 [2018-06-25 14:38:43,891 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 14:38:44,117 INFO ]: Conjunction of SSA is unsat [2018-06-25 14:38:44,135 INFO ]: Computing forward predicates... [2018-06-25 14:38:44,865 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 14:38:44,881 WARN ]: expecting exponential blowup for input size 13 [2018-06-25 14:38:46,410 WARN ]: expecting exponential blowup for input size 11 [2018-06-25 14:38:46,429 WARN ]: expecting exponential blowup for input size 13 [2018-06-25 14:38:47,931 WARN ]: expecting exponential blowup for input size 13 [2018-06-25 14:38:49,707 WARN ]: expecting exponential blowup for input size 11 [2018-06-25 14:38:49,723 WARN ]: expecting exponential blowup for input size 11 [2018-06-25 14:38:49,745 WARN ]: expecting exponential blowup for input size 13 [2018-06-25 14:38:51,191 WARN ]: expecting exponential blowup for input size 10 [2018-06-25 14:38:51,201 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 14:38:51,741 WARN ]: Simplifying disjunction of 5202 conjuctions. This might take some time... [2018-06-25 14:38:53,377 INFO ]: Simplified to disjunction of 5202 conjuctions. [2018-06-25 14:38:53,410 WARN ]: expecting exponential blowup for input size 14 [2018-06-25 14:38:53,686 WARN ]: Simplifying disjunction of 23328 conjuctions. This might take some time... Received shutdown request... [2018-06-25 14:40:01,250 INFO ]: Timeout while computing interpolants [2018-06-25 14:40:01,451 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 14:40:01,451 WARN ]: Verification canceled [2018-06-25 14:40:01,455 WARN ]: Timeout [2018-06-25 14:40:01,455 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 02:40:01 BoogieIcfgContainer [2018-06-25 14:40:01,456 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 14:40:01,456 INFO ]: Toolchain (without parser) took 79928.90 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 230.7 MB in the beginning and 536.8 MB in the end (delta: -306.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-25 14:40:01,457 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 14:40:01,457 INFO ]: ChcToBoogie took 107.68 ms. Allocated memory is still 309.3 MB. Free memory was 230.7 MB in the beginning and 226.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 14:40:01,458 INFO ]: Boogie Preprocessor took 83.22 ms. Allocated memory is still 309.3 MB. Free memory was 226.7 MB in the beginning and 224.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 14:40:01,458 INFO ]: RCFGBuilder took 667.55 ms. Allocated memory was 309.3 MB in the beginning and 331.4 MB in the end (delta: 22.0 MB). Free memory was 224.7 MB in the beginning and 278.4 MB in the end (delta: -53.7 MB). Peak memory consumption was 42.2 MB. Max. memory is 3.6 GB. [2018-06-25 14:40:01,459 INFO ]: TraceAbstraction took 79058.63 ms. Allocated memory was 331.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 278.4 MB in the beginning and 536.8 MB in the end (delta: -258.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-25 14:40:01,463 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 107.68 ms. Allocated memory is still 309.3 MB. Free memory was 230.7 MB in the beginning and 226.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 83.22 ms. Allocated memory is still 309.3 MB. Free memory was 226.7 MB in the beginning and 224.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 667.55 ms. Allocated memory was 309.3 MB in the beginning and 331.4 MB in the end (delta: 22.0 MB). Free memory was 224.7 MB in the beginning and 278.4 MB in the end (delta: -53.7 MB). Peak memory consumption was 42.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79058.63 ms. Allocated memory was 331.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 278.4 MB in the beginning and 536.8 MB in the end (delta: -258.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 23328 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 78.9s 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, 0.1s 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, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 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_5_e7_2017.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_14-40-01-473.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e7_2017.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_14-40-01-473.csv Completed graceful shutdown