java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:14:59,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:14:59,762 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:14:59,777 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:14:59,778 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:14:59,778 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:14:59,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:14:59,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:14:59,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:14:59,787 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:14:59,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:14:59,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:14:59,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:14:59,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:14:59,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:14:59,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:14:59,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:14:59,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:14:59,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:14:59,812 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:14:59,813 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:14:59,815 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:14:59,815 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:14:59,815 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:14:59,816 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:14:59,817 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:14:59,818 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:14:59,824 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:14:59,824 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:14:59,825 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:14:59,825 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:14:59,826 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:14:59,826 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:14:59,827 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:14:59,827 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:14:59,827 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 16:14:59,849 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:14:59,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:14:59,850 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:14:59,850 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:14:59,851 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:14:59,851 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:14:59,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:14:59,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:14:59,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:14:59,853 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:14:59,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:14:59,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:14:59,854 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:14:59,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:14:59,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:14:59,854 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:14:59,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:14:59,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:14:59,855 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:14:59,857 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:14:59,857 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:14:59,909 INFO ]: Repository-Root is: /tmp [2018-06-22 16:14:59,921 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:14:59,924 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:14:59,926 INFO ]: Initializing SmtParser... [2018-06-22 16:14:59,926 INFO ]: SmtParser initialized [2018-06-22 16:14:59,927 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10.smt2 [2018-06-22 16:14:59,928 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 16:15:00,024 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10.smt2 unknown [2018-06-22 16:15:00,647 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10.smt2 [2018-06-22 16:15:00,651 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:15:00,658 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:15:00,658 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:15:00,658 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:15:00,659 INFO ]: ChcToBoogie initialized [2018-06-22 16:15:00,662 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:15:00" (1/1) ... [2018-06-22 16:15:00,741 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00 Unit [2018-06-22 16:15:00,741 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:15:00,742 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:15:00,742 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:15:00,742 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:15:00,769 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (1/1) ... [2018-06-22 16:15:00,769 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (1/1) ... [2018-06-22 16:15:00,796 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (1/1) ... [2018-06-22 16:15:00,796 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (1/1) ... [2018-06-22 16:15:00,819 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (1/1) ... [2018-06-22 16:15:00,821 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (1/1) ... [2018-06-22 16:15:00,825 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (1/1) ... [2018-06-22 16:15:00,831 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:15:00,831 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:15:00,831 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:15:00,831 INFO ]: RCFGBuilder initialized [2018-06-22 16:15:00,832 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:15:00,856 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:15:00,856 INFO ]: Found specification of procedure False [2018-06-22 16:15:00,856 INFO ]: Found implementation of procedure False [2018-06-22 16:15:00,856 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:15:00,856 INFO ]: Found specification of procedure state [2018-06-22 16:15:00,856 INFO ]: Found implementation of procedure state [2018-06-22 16:15:00,856 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:15:00,856 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:15:00,856 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:15:01,313 INFO ]: Using library mode [2018-06-22 16:15:01,313 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:15:01 BoogieIcfgContainer [2018-06-22 16:15:01,314 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:15:01,317 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:15:01,317 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:15:01,320 INFO ]: TraceAbstraction initialized [2018-06-22 16:15:01,320 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:15:00" (1/3) ... [2018-06-22 16:15:01,321 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:15:01, skipping insertion in model container [2018-06-22 16:15:01,321 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:15:00" (2/3) ... [2018-06-22 16:15:01,321 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:15:01, skipping insertion in model container [2018-06-22 16:15:01,321 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:15:01" (3/3) ... [2018-06-22 16:15:01,323 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:15:01,333 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:15:01,343 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:15:01,395 INFO ]: Using default assertion order modulation [2018-06-22 16:15:01,395 INFO ]: Interprodecural is true [2018-06-22 16:15:01,395 INFO ]: Hoare is false [2018-06-22 16:15:01,395 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:15:01,396 INFO ]: Backedges is TWOTRACK [2018-06-22 16:15:01,396 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:15:01,396 INFO ]: Difference is false [2018-06-22 16:15:01,396 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:15:01,396 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:15:01,410 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:15:01,423 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:15:01,424 INFO ]: Found error trace [2018-06-22 16:15:01,424 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:15:01,424 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:15:01,429 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:15:01,431 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:15:01,432 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:15:01,466 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:15:01,466 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:15:01,466 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:15:01,605 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:15:01,923 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-22 16:15:01,925 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:15:01,929 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:15:01,929 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:15:01,931 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:15:01,946 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:15:01,946 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:15:01,950 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:15:02,082 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:15:02,083 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:15:02,084 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:15:02,085 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:15:02,085 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:15:02,100 INFO ]: With dead ends: 13 [2018-06-22 16:15:02,100 INFO ]: Without dead ends: 13 [2018-06-22 16:15:02,102 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:15:02,115 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:15:02,134 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:15:02,136 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:15:02,137 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:15:02,140 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:15:02,140 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:15:02,140 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:15:02,140 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:15:02,141 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:15:02,142 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:15:02,142 INFO ]: Found error trace [2018-06-22 16:15:02,142 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:15:02,142 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:15:02,142 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:15:02,142 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:15:02,143 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:15:02,143 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:15:02,143 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:15:02,143 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:15:02,297 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:15:03,842 WARN ]: Spent 1.14 s on a formula simplification. DAG size of input: 136 DAG size of output: 96 [2018-06-22 16:15:04,318 WARN ]: Spent 272.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 1 [2018-06-22 16:15:04,320 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:15:04,321 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:15:04,321 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:15:04,339 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:15:04,528 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:15:04,540 INFO ]: Computing forward predicates... [2018-06-22 16:15:19,453 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:15:20,430 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:15:20,432 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:15:20,783 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:15:20,794 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:15:20,999 WARN ]: Simplifying disjunction of 5598 conjuctions. This might take some time... [2018-06-22 16:15:22,620 INFO ]: Simplified to disjunction of 5598 conjuctions. [2018-06-22 16:15:22,695 WARN ]: Simplifying disjunction of 15417 conjuctions. This might take some time... [2018-06-22 16:15:34,938 INFO ]: Simplified to disjunction of 15417 conjuctions. [2018-06-22 16:15:35,042 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:15:35,048 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:15:35,220 WARN ]: Simplifying disjunction of 6354 conjuctions. This might take some time... [2018-06-22 16:15:37,819 INFO ]: Simplified to disjunction of 6354 conjuctions. [2018-06-22 16:15:37,909 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:15:37,956 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 16:15:47,250 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-22 16:15:47,284 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:15:47,285 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:15:48,059 WARN ]: Simplifying disjunction of 7676 conjuctions. This might take some time... [2018-06-22 16:15:53,381 INFO ]: Simplified to disjunction of 7676 conjuctions. [2018-06-22 16:15:53,741 WARN ]: Simplifying disjunction of 110100 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:16:11,505 INFO ]: Timeout while computing interpolants [2018-06-22 16:16:11,706 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:16:11,706 WARN ]: Verification canceled [2018-06-22 16:16:11,710 WARN ]: Timeout [2018-06-22 16:16:11,711 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:16:11 BoogieIcfgContainer [2018-06-22 16:16:11,712 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:16:11,712 INFO ]: Toolchain (without parser) took 71060.74 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 227.0 MB in the beginning and 321.3 MB in the end (delta: -94.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:16:11,713 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 303.6 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:16:11,714 INFO ]: ChcToBoogie took 83.37 ms. Allocated memory is still 303.6 MB. Free memory was 227.0 MB in the beginning and 224.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:16:11,714 INFO ]: Boogie Preprocessor took 88.51 ms. Allocated memory is still 303.6 MB. Free memory was 224.0 MB in the beginning and 222.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:16:11,717 INFO ]: RCFGBuilder took 482.42 ms. Allocated memory was 303.6 MB in the beginning and 323.0 MB in the end (delta: 19.4 MB). Free memory was 222.0 MB in the beginning and 286.7 MB in the end (delta: -64.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:16:11,717 INFO ]: TraceAbstraction took 70394.98 ms. Allocated memory was 323.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.7 MB in the beginning and 321.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:16:11,720 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 303.6 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 83.37 ms. Allocated memory is still 303.6 MB. Free memory was 227.0 MB in the beginning and 224.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 88.51 ms. Allocated memory is still 303.6 MB. Free memory was 224.0 MB in the beginning and 222.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 482.42 ms. Allocated memory was 303.6 MB in the beginning and 323.0 MB in the end (delta: 19.4 MB). Free memory was 222.0 MB in the beginning and 286.7 MB in the end (delta: -64.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70394.98 ms. Allocated memory was 323.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.7 MB in the beginning and 321.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 110100 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 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_10.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-16-11-737.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-16-11-737.csv Completed graceful shutdown