java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e7_2443.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:35:46,544 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:35:46,546 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:35:46,564 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:35:46,564 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:35:46,565 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:35:46,569 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:35:46,571 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:35:46,573 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:35:46,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:35:46,576 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:35:46,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:35:46,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:35:46,579 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:35:46,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:35:46,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:35:46,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:35:46,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:35:46,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:35:46,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:35:46,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:35:46,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:35:46,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:35:46,610 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:35:46,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:35:46,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:35:46,612 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:35:46,613 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:35:46,614 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:35:46,614 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:35:46,620 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:35:46,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:35:46,621 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:35:46,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:35:46,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:35:46,623 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:35:46,645 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:35:46,645 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:35:46,646 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:35:46,646 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:35:46,647 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:35:46,648 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:35:46,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:35:46,650 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:35:46,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:35:46,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:35:46,651 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:35:46,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:35:46,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:35:46,652 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:35:46,652 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:35:46,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:35:46,652 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:35:46,653 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:35:46,654 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:35:46,707 INFO ]: Repository-Root is: /tmp [2018-06-18 14:35:46,724 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:35:46,731 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:35:46,733 INFO ]: Initializing SmtParser... [2018-06-18 14:35:46,733 INFO ]: SmtParser initialized [2018-06-18 14:35:46,734 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e7_2443.smt2 [2018-06-18 14:35:46,735 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 [2018-06-18 14:35:46,832 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e7_2443.smt2 unknown [2018-06-18 14:35:47,518 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e7_2443.smt2 [2018-06-18 14:35:47,528 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:35:47,543 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:35:47,543 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:35:47,543 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:35:47,543 INFO ]: ChcToBoogie initialized [2018-06-18 14:35:47,551 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:35:47" (1/1) ... [2018-06-18 14:35:47,658 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47 Unit [2018-06-18 14:35:47,658 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:35:47,659 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:35:47,659 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:35:47,659 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:35:47,683 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (1/1) ... [2018-06-18 14:35:47,683 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (1/1) ... [2018-06-18 14:35:47,711 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (1/1) ... [2018-06-18 14:35:47,711 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (1/1) ... [2018-06-18 14:35:47,728 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (1/1) ... [2018-06-18 14:35:47,729 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (1/1) ... [2018-06-18 14:35:47,734 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (1/1) ... [2018-06-18 14:35:47,741 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:35:47,741 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:35:47,741 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:35:47,741 INFO ]: RCFGBuilder initialized [2018-06-18 14:35:47,742 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (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) [2018-06-18 14:35:47,776 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:35:47,776 INFO ]: Found specification of procedure False [2018-06-18 14:35:47,776 INFO ]: Found implementation of procedure False [2018-06-18 14:35:47,776 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:35:47,776 INFO ]: Found specification of procedure state [2018-06-18 14:35:47,776 INFO ]: Found implementation of procedure state [2018-06-18 14:35:47,776 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:35:47,776 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:35:47,776 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 [2018-06-18 14:35:48,340 INFO ]: Using library mode [2018-06-18 14:35:48,341 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:35:48 BoogieIcfgContainer [2018-06-18 14:35:48,341 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:35:48,342 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:35:48,342 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:35:48,345 INFO ]: TraceAbstraction initialized [2018-06-18 14:35:48,346 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:35:47" (1/3) ... [2018-06-18 14:35:48,347 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc051be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:35:48, skipping insertion in model container [2018-06-18 14:35:48,349 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:35:47" (2/3) ... [2018-06-18 14:35:48,350 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc051be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:35:48, skipping insertion in model container [2018-06-18 14:35:48,350 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:35:48" (3/3) ... [2018-06-18 14:35:48,352 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:35:48,363 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:35:48,377 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:35:48,430 INFO ]: Using default assertion order modulation [2018-06-18 14:35:48,431 INFO ]: Interprodecural is true [2018-06-18 14:35:48,431 INFO ]: Hoare is false [2018-06-18 14:35:48,431 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:35:48,431 INFO ]: Backedges is TWOTRACK [2018-06-18 14:35:48,431 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:35:48,431 INFO ]: Difference is false [2018-06-18 14:35:48,431 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:35:48,431 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:35:48,452 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:35:48,464 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:35:48,464 INFO ]: Found error trace [2018-06-18 14:35:48,465 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:35:48,466 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:35:48,472 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:35:48,474 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:35:48,474 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:35:48,531 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:35:48,531 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:35:48,531 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:35:48,659 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:35:48,672 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:35:48,881 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:35:48,885 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:35:48,885 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:35:48,887 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:35:48,904 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:35:48,904 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:35:48,908 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:35:49,070 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:35:49,070 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:35:49,072 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:35:49,074 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:35:49,074 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:35:49,091 INFO ]: With dead ends: 13 [2018-06-18 14:35:49,091 INFO ]: Without dead ends: 13 [2018-06-18 14:35:49,093 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:35:49,111 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:35:49,139 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:35:49,140 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:35:49,141 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:35:49,143 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:35:49,143 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:35:49,143 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:35:49,143 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:35:49,143 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:35:49,148 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:35:49,148 INFO ]: Found error trace [2018-06-18 14:35:49,148 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:35:49,149 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:35:49,149 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:35:49,149 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:35:49,149 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:35:49,150 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:35:49,150 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:35:49,150 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:35:49,311 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:35:49,312 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:35:50,315 WARN ]: Spent 657.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2018-06-18 14:35:50,373 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:35:50,373 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:35:50,373 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 [2018-06-18 14:35:50,380 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:35:50,541 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:35:50,583 INFO ]: Computing forward predicates... [2018-06-18 14:35:52,218 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:35:52,419 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:35:52,431 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:35:52,531 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:35:53,016 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:35:53,297 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:35:53,509 WARN ]: Simplifying disjunction of 6624 conjuctions. This might take some time... [2018-06-18 14:36:01,978 INFO ]: Simplified to disjunction of 6624 conjuctions. [2018-06-18 14:36:02,030 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:36:02,044 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:36:02,051 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:36:02,115 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:36:02,366 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:36:02,370 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:36:02,383 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:36:02,451 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:36:02,838 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:36:02,843 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:36:03,789 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:36:03,797 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:36:03,827 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:36:03,922 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:36:04,125 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:36:04,295 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:36:04,298 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:36:04,312 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:36:05,668 WARN ]: Simplifying disjunction of 18083 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:37:03,919 INFO ]: Timeout while computing interpolants [2018-06-18 14:37:04,144 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:37:04,144 WARN ]: Verification canceled [2018-06-18 14:37:04,148 WARN ]: Timeout [2018-06-18 14:37:04,149 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:37:04 BoogieIcfgContainer [2018-06-18 14:37:04,149 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:37:04,150 INFO ]: Toolchain (without parser) took 76621.19 ms. Allocated memory was 308.8 MB in the beginning and 452.5 MB in the end (delta: 143.7 MB). Free memory was 233.3 MB in the beginning and 207.6 MB in the end (delta: 25.7 MB). Peak memory consumption was 169.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:37:04,150 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:37:04,151 INFO ]: ChcToBoogie took 115.11 ms. Allocated memory is still 308.8 MB. Free memory was 231.3 MB in the beginning and 225.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:37:04,151 INFO ]: Boogie Preprocessor took 82.09 ms. Allocated memory is still 308.8 MB. Free memory was 225.3 MB in the beginning and 223.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:37:04,151 INFO ]: RCFGBuilder took 599.71 ms. Allocated memory was 308.8 MB in the beginning and 325.6 MB in the end (delta: 16.8 MB). Free memory was 223.3 MB in the beginning and 283.5 MB in the end (delta: -60.2 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:37:04,151 INFO ]: TraceAbstraction took 75806.73 ms. Allocated memory was 325.6 MB in the beginning and 452.5 MB in the end (delta: 126.9 MB). Free memory was 283.5 MB in the beginning and 207.6 MB in the end (delta: 76.0 MB). Peak memory consumption was 202.8 MB. Max. memory is 3.6 GB. [2018-06-18 14:37:04,157 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 115.11 ms. Allocated memory is still 308.8 MB. Free memory was 231.3 MB in the beginning and 225.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 82.09 ms. Allocated memory is still 308.8 MB. Free memory was 225.3 MB in the beginning and 223.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 599.71 ms. Allocated memory was 308.8 MB in the beginning and 325.6 MB in the end (delta: 16.8 MB). Free memory was 223.3 MB in the beginning and 283.5 MB in the end (delta: -60.2 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75806.73 ms. Allocated memory was 325.6 MB in the beginning and 452.5 MB in the end (delta: 126.9 MB). Free memory was 283.5 MB in the beginning and 207.6 MB in the end (delta: 76.0 MB). Peak memory consumption was 202.8 MB. 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 18083 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.0s 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, 0.2s 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_5_e2_3018_e7_2443.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-37-04-169.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e2_3018_e7_2443.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-37-04-169.csv Completed graceful shutdown