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_5.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 07:04:53,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 07:04:53,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 07:04:53,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 07:04:53,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 07:04:53,545 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 07:04:53,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 07:04:53,548 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 07:04:53,550 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 07:04:53,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 07:04:53,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 07:04:53,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 07:04:53,553 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 07:04:53,554 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 07:04:53,555 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 07:04:53,564 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 07:04:53,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 07:04:53,568 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 07:04:53,570 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 07:04:53,571 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 07:04:53,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 07:04:53,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 07:04:53,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 07:04:53,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 07:04:53,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 07:04:53,581 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 07:04:53,581 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 07:04:53,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 07:04:53,587 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 07:04:53,588 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 07:04:53,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 07:04:53,589 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 07:04:53,589 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 07:04:53,590 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 07:04:53,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 07:04:53,593 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 07:04:53,613 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 07:04:53,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 07:04:53,614 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 07:04:53,614 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 07:04:53,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 07:04:53,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 07:04:53,616 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 07:04:53,616 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 07:04:53,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 07:04:53,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 07:04:53,616 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 07:04:53,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 07:04:53,617 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 07:04:53,617 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 07:04:53,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 07:04:53,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 07:04:53,617 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 07:04:53,619 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 07:04:53,619 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 07:04:53,679 INFO ]: Repository-Root is: /tmp [2018-06-22 07:04:53,691 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 07:04:53,696 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 07:04:53,697 INFO ]: Initializing SmtParser... [2018-06-22 07:04:53,698 INFO ]: SmtParser initialized [2018-06-22 07:04:53,698 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5.smt2 [2018-06-22 07:04:53,700 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 07:04:53,801 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5.smt2 unknown [2018-06-22 07:04:54,507 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5.smt2 [2018-06-22 07:04:54,512 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 07:04:54,518 INFO ]: Walking toolchain with 4 elements. [2018-06-22 07:04:54,518 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 07:04:54,518 INFO ]: Initializing ChcToBoogie... [2018-06-22 07:04:54,518 INFO ]: ChcToBoogie initialized [2018-06-22 07:04:54,522 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:04:54" (1/1) ... [2018-06-22 07:04:54,605 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54 Unit [2018-06-22 07:04:54,605 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 07:04:54,606 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 07:04:54,606 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 07:04:54,606 INFO ]: Boogie Preprocessor initialized [2018-06-22 07:04:54,644 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (1/1) ... [2018-06-22 07:04:54,644 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (1/1) ... [2018-06-22 07:04:54,658 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (1/1) ... [2018-06-22 07:04:54,658 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (1/1) ... [2018-06-22 07:04:54,677 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (1/1) ... [2018-06-22 07:04:54,679 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (1/1) ... [2018-06-22 07:04:54,684 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (1/1) ... [2018-06-22 07:04:54,691 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 07:04:54,698 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 07:04:54,698 INFO ]: Initializing RCFGBuilder... [2018-06-22 07:04:54,698 INFO ]: RCFGBuilder initialized [2018-06-22 07:04:54,699 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (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 07:04:54,720 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 07:04:54,720 INFO ]: Found specification of procedure gotoProc [2018-06-22 07:04:54,720 INFO ]: Found implementation of procedure gotoProc [2018-06-22 07:04:54,721 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 07:04:54,721 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 07:04:54,721 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 07:04:55,328 INFO ]: Using library mode [2018-06-22 07:04:55,329 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:04:55 BoogieIcfgContainer [2018-06-22 07:04:55,329 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 07:04:55,331 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 07:04:55,331 INFO ]: Initializing TraceAbstraction... [2018-06-22 07:04:55,336 INFO ]: TraceAbstraction initialized [2018-06-22 07:04:55,336 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:04:54" (1/3) ... [2018-06-22 07:04:55,337 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8c07a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:04:55, skipping insertion in model container [2018-06-22 07:04:55,337 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:04:54" (2/3) ... [2018-06-22 07:04:55,337 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8c07a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:04:55, skipping insertion in model container [2018-06-22 07:04:55,337 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:04:55" (3/3) ... [2018-06-22 07:04:55,340 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 07:04:55,350 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 07:04:55,361 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 07:04:55,420 INFO ]: Using default assertion order modulation [2018-06-22 07:04:55,420 INFO ]: Interprodecural is true [2018-06-22 07:04:55,420 INFO ]: Hoare is false [2018-06-22 07:04:55,420 INFO ]: Compute interpolants for FPandBP [2018-06-22 07:04:55,421 INFO ]: Backedges is TWOTRACK [2018-06-22 07:04:55,421 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 07:04:55,421 INFO ]: Difference is false [2018-06-22 07:04:55,421 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 07:04:55,421 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 07:04:55,438 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 07:04:55,453 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 07:04:55,453 INFO ]: Found error trace [2018-06-22 07:04:55,455 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:04:55,455 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:04:55,461 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 07:04:55,464 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:04:55,464 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:04:55,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:04:55,515 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:04:55,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:04:55,676 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:04:55,954 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:04:55,957 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 07:04:55,957 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 07:04:55,960 INFO ]: Interpolant automaton has 3 states [2018-06-22 07:04:55,977 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 07:04:55,977 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:04:55,981 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 07:04:56,097 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:04:56,098 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 07:04:56,098 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 07:04:56,100 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 07:04:56,100 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:04:56,112 INFO ]: With dead ends: 9 [2018-06-22 07:04:56,112 INFO ]: Without dead ends: 9 [2018-06-22 07:04:56,114 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 [2018-06-22 07:04:56,135 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 07:04:56,164 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 07:04:56,166 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 07:04:56,166 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 07:04:56,169 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 07:04:56,169 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:04:56,169 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 07:04:56,169 INFO ]: Interpolant automaton has 3 states. [2018-06-22 07:04:56,169 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 07:04:56,169 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 07:04:56,169 INFO ]: Found error trace [2018-06-22 07:04:56,169 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:04:56,169 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:04:56,170 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 07:04:56,170 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:04:56,170 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:04:56,171 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:04:56,171 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:04:56,171 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:04:56,333 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:04:56,864 WARN ]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-06-22 07:04:56,866 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:04:56,884 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 07:04:56,884 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) [2018-06-22 07:04:56,952 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:04:57,230 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:04:57,249 INFO ]: Computing forward predicates... [2018-06-22 07:04:58,130 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:04:58,151 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:05:00,603 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:05:00,624 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:05:02,817 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:05:05,634 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:05:05,645 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:05:05,666 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:05:07,707 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:05:07,710 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:05:08,208 WARN ]: Simplifying disjunction of 5202 conjuctions. This might take some time... [2018-06-22 07:05:10,513 INFO ]: Simplified to disjunction of 5202 conjuctions. [2018-06-22 07:05:10,575 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 07:05:10,993 WARN ]: Simplifying disjunction of 23328 conjuctions. This might take some time... Received shutdown request... [2018-06-22 07:06:13,948 INFO ]: Timeout while computing interpolants [2018-06-22 07:06:14,198 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:06:14,198 WARN ]: Verification canceled [2018-06-22 07:06:14,204 WARN ]: Timeout [2018-06-22 07:06:14,204 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:06:14 BoogieIcfgContainer [2018-06-22 07:06:14,204 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 07:06:14,206 INFO ]: Toolchain (without parser) took 79692.52 ms. Allocated memory was 309.3 MB in the beginning and 433.1 MB in the end (delta: 123.7 MB). Free memory was 232.9 MB in the beginning and 317.4 MB in the end (delta: -84.5 MB). Peak memory consumption was 165.1 MB. Max. memory is 3.6 GB. [2018-06-22 07:06:14,207 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 07:06:14,208 INFO ]: ChcToBoogie took 87.54 ms. Allocated memory is still 309.3 MB. Free memory was 232.9 MB in the beginning and 228.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:06:14,208 INFO ]: Boogie Preprocessor took 91.61 ms. Allocated memory is still 309.3 MB. Free memory was 228.9 MB in the beginning and 226.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:06:14,208 INFO ]: RCFGBuilder took 630.98 ms. Allocated memory was 309.3 MB in the beginning and 326.6 MB in the end (delta: 17.3 MB). Free memory was 226.9 MB in the beginning and 275.9 MB in the end (delta: -49.0 MB). Peak memory consumption was 44.5 MB. Max. memory is 3.6 GB. [2018-06-22 07:06:14,209 INFO ]: TraceAbstraction took 78873.43 ms. Allocated memory was 326.6 MB in the beginning and 433.1 MB in the end (delta: 106.4 MB). Free memory was 275.9 MB in the beginning and 317.4 MB in the end (delta: -41.5 MB). Peak memory consumption was 190.7 MB. Max. memory is 3.6 GB. [2018-06-22 07:06:14,221 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 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 87.54 ms. Allocated memory is still 309.3 MB. Free memory was 232.9 MB in the beginning and 228.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 91.61 ms. Allocated memory is still 309.3 MB. Free memory was 228.9 MB in the beginning and 226.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 630.98 ms. Allocated memory was 309.3 MB in the beginning and 326.6 MB in the end (delta: 17.3 MB). Free memory was 226.9 MB in the beginning and 275.9 MB in the end (delta: -49.0 MB). Peak memory consumption was 44.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78873.43 ms. Allocated memory was 326.6 MB in the beginning and 433.1 MB in the end (delta: 106.4 MB). Free memory was 275.9 MB in the beginning and 317.4 MB in the end (delta: -41.5 MB). Peak memory consumption was 190.7 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 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, 78.8s 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.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_07-06-14-240.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_07-06-14-240.csv Completed graceful shutdown