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_12_e2_1618_e1_6030.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 06:33:58,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 06:33:58,719 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 06:33:58,736 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 06:33:58,737 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 06:33:58,738 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 06:33:58,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 06:33:58,742 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 06:33:58,744 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 06:33:58,745 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 06:33:58,746 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 06:33:58,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 06:33:58,751 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 06:33:58,752 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 06:33:58,753 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 06:33:58,764 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 06:33:58,766 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 06:33:58,768 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 06:33:58,769 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 06:33:58,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 06:33:58,775 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 06:33:58,777 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 06:33:58,777 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 06:33:58,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 06:33:58,784 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 06:33:58,785 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 06:33:58,786 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 06:33:58,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 06:33:58,787 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 06:33:58,788 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 06:33:58,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 06:33:58,794 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 06:33:58,794 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 06:33:58,795 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 06:33:58,795 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 06:33:58,796 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 06:33:58,818 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 06:33:58,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 06:33:58,819 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 06:33:58,819 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 06:33:58,821 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 06:33:58,821 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 06:33:58,821 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 06:33:58,822 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 06:33:58,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 06:33:58,822 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 06:33:58,822 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 06:33:58,822 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 06:33:58,823 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 06:33:58,823 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 06:33:58,823 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 06:33:58,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 06:33:58,823 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 06:33:58,826 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 06:33:58,826 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 06:33:58,881 INFO ]: Repository-Root is: /tmp [2018-06-22 06:33:58,899 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 06:33:58,904 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 06:33:58,905 INFO ]: Initializing SmtParser... [2018-06-22 06:33:58,906 INFO ]: SmtParser initialized [2018-06-22 06:33:58,906 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e1_6030.smt2 [2018-06-22 06:33:58,908 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 06:33:59,009 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e1_6030.smt2 unknown [2018-06-22 06:33:59,629 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e1_6030.smt2 [2018-06-22 06:33:59,634 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 06:33:59,640 INFO ]: Walking toolchain with 4 elements. [2018-06-22 06:33:59,640 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 06:33:59,640 INFO ]: Initializing ChcToBoogie... [2018-06-22 06:33:59,641 INFO ]: ChcToBoogie initialized [2018-06-22 06:33:59,644 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:33:59" (1/1) ... [2018-06-22 06:33:59,755 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59 Unit [2018-06-22 06:33:59,755 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 06:33:59,756 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 06:33:59,756 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 06:33:59,756 INFO ]: Boogie Preprocessor initialized [2018-06-22 06:33:59,778 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (1/1) ... [2018-06-22 06:33:59,778 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (1/1) ... [2018-06-22 06:33:59,801 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (1/1) ... [2018-06-22 06:33:59,801 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (1/1) ... [2018-06-22 06:33:59,825 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (1/1) ... [2018-06-22 06:33:59,827 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (1/1) ... [2018-06-22 06:33:59,831 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (1/1) ... [2018-06-22 06:33:59,839 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 06:33:59,839 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 06:33:59,839 INFO ]: Initializing RCFGBuilder... [2018-06-22 06:33:59,839 INFO ]: RCFGBuilder initialized [2018-06-22 06:33:59,840 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (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 06:33:59,853 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 06:33:59,853 INFO ]: Found specification of procedure gotoProc [2018-06-22 06:33:59,853 INFO ]: Found implementation of procedure gotoProc [2018-06-22 06:33:59,853 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 06:33:59,853 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 06:33:59,853 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 06:34:00,496 INFO ]: Using library mode [2018-06-22 06:34:00,497 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:34:00 BoogieIcfgContainer [2018-06-22 06:34:00,497 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 06:34:00,498 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 06:34:00,498 INFO ]: Initializing TraceAbstraction... [2018-06-22 06:34:00,506 INFO ]: TraceAbstraction initialized [2018-06-22 06:34:00,506 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:33:59" (1/3) ... [2018-06-22 06:34:00,507 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e584d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:34:00, skipping insertion in model container [2018-06-22 06:34:00,507 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:59" (2/3) ... [2018-06-22 06:34:00,507 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e584d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:34:00, skipping insertion in model container [2018-06-22 06:34:00,507 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:34:00" (3/3) ... [2018-06-22 06:34:00,509 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 06:34:00,519 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 06:34:00,528 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 06:34:00,589 INFO ]: Using default assertion order modulation [2018-06-22 06:34:00,589 INFO ]: Interprodecural is true [2018-06-22 06:34:00,589 INFO ]: Hoare is false [2018-06-22 06:34:00,589 INFO ]: Compute interpolants for FPandBP [2018-06-22 06:34:00,589 INFO ]: Backedges is TWOTRACK [2018-06-22 06:34:00,589 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 06:34:00,589 INFO ]: Difference is false [2018-06-22 06:34:00,589 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 06:34:00,589 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 06:34:00,608 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 06:34:00,623 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 06:34:00,623 INFO ]: Found error trace [2018-06-22 06:34:00,627 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:34:00,627 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:34:00,633 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 06:34:00,635 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:34:00,636 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:34:00,687 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:34:00,687 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:34:00,687 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:34:00,880 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:34:01,171 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:34:01,173 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 06:34:01,174 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 06:34:01,176 INFO ]: Interpolant automaton has 3 states [2018-06-22 06:34:01,190 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 06:34:01,190 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 06:34:01,193 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 06:34:01,302 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:34:01,302 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 06:34:01,303 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 06:34:01,305 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 06:34:01,305 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:34:01,312 INFO ]: With dead ends: 9 [2018-06-22 06:34:01,312 INFO ]: Without dead ends: 9 [2018-06-22 06:34:01,314 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 06:34:01,332 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 06:34:01,356 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 06:34:01,358 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 06:34:01,358 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 06:34:01,360 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 06:34:01,361 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:34:01,361 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 06:34:01,361 INFO ]: Interpolant automaton has 3 states. [2018-06-22 06:34:01,361 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 06:34:01,361 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 06:34:01,361 INFO ]: Found error trace [2018-06-22 06:34:01,361 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:34:01,361 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:34:01,361 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 06:34:01,361 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:34:01,361 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:34:01,362 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:34:01,362 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:34:01,362 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:34:01,514 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:34:02,146 WARN ]: Spent 304.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-06-22 06:34:02,148 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:34:02,148 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:34:02,148 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 06:34:02,157 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:34:02,438 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:34:02,457 INFO ]: Computing forward predicates... [2018-06-22 06:34:04,051 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,088 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,093 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,103 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,124 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,189 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,208 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,254 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,274 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,277 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,300 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,305 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 06:34:04,420 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 06:34:04,486 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,492 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,498 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 06:34:04,554 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,555 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,568 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,577 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,587 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 06:34:04,606 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:04,624 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 06:34:04,799 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 06:34:27,576 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-22 06:34:27,665 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 06:34:28,099 WARN ]: Simplifying disjunction of 31104 conjuctions. This might take some time... Received shutdown request... [2018-06-22 06:35:17,917 INFO ]: Timeout while computing interpolants [2018-06-22 06:35:18,118 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 06:35:18,119 WARN ]: Verification canceled [2018-06-22 06:35:18,124 WARN ]: Timeout [2018-06-22 06:35:18,124 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:35:18 BoogieIcfgContainer [2018-06-22 06:35:18,124 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 06:35:18,126 INFO ]: Toolchain (without parser) took 78491.32 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 228.7 MB in the beginning and 935.0 MB in the end (delta: -706.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 06:35:18,127 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 06:35:18,127 INFO ]: ChcToBoogie took 115.39 ms. Allocated memory is still 305.1 MB. Free memory was 228.7 MB in the beginning and 224.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:35:18,128 INFO ]: Boogie Preprocessor took 82.49 ms. Allocated memory is still 305.1 MB. Free memory was 224.7 MB in the beginning and 222.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:35:18,128 INFO ]: RCFGBuilder took 657.86 ms. Allocated memory was 305.1 MB in the beginning and 324.5 MB in the end (delta: 19.4 MB). Free memory was 222.8 MB in the beginning and 272.7 MB in the end (delta: -50.0 MB). Peak memory consumption was 44.4 MB. Max. memory is 3.6 GB. [2018-06-22 06:35:18,137 INFO ]: TraceAbstraction took 77625.92 ms. Allocated memory was 324.5 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 272.7 MB in the beginning and 935.0 MB in the end (delta: -662.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 06:35:18,139 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 115.39 ms. Allocated memory is still 305.1 MB. Free memory was 228.7 MB in the beginning and 224.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 82.49 ms. Allocated memory is still 305.1 MB. Free memory was 224.7 MB in the beginning and 222.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 657.86 ms. Allocated memory was 305.1 MB in the beginning and 324.5 MB in the end (delta: 19.4 MB). Free memory was 222.8 MB in the beginning and 272.7 MB in the end (delta: -50.0 MB). Peak memory consumption was 44.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 77625.92 ms. Allocated memory was 324.5 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 272.7 MB in the beginning and 935.0 MB in the end (delta: -662.2 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 31104 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 77.5s 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_12_e2_1618_e1_6030.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_06-35-18-159.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12_e2_1618_e1_6030.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_06-35-18-159.csv Completed graceful shutdown