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_e1_3587_e3_2749.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:10:07,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:10:07,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:10:07,097 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:10:07,098 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:10:07,098 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:10:07,100 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:10:07,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:10:07,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:10:07,106 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:10:07,107 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:10:07,107 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:10:07,110 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:10:07,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:10:07,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:10:07,113 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:10:07,117 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:10:07,118 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:10:07,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:10:07,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:10:07,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:10:07,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:10:07,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:10:07,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:10:07,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:10:07,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:10:07,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:10:07,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:10:07,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:10:07,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:10:07,144 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:10:07,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:10:07,145 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:10:07,145 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:10:07,146 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:10:07,146 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 16:10:07,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:10:07,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:10:07,160 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:10:07,160 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:10:07,161 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:10:07,161 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:10:07,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:10:07,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:10:07,166 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:10:07,167 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:10:07,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:10:07,167 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:10:07,167 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:10:07,168 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:10:07,168 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:10:07,168 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:10:07,168 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:10:07,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:10:07,168 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:10:07,170 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:10:07,170 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:10:07,225 INFO ]: Repository-Root is: /tmp [2018-06-22 16:10:07,240 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:10:07,246 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:10:07,247 INFO ]: Initializing SmtParser... [2018-06-22 16:10:07,247 INFO ]: SmtParser initialized [2018-06-22 16:10:07,249 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e1_3587_e3_2749.smt2 [2018-06-22 16:10:07,250 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 16:10:07,345 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e1_3587_e3_2749.smt2 unknown [2018-06-22 16:10:07,961 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e1_3587_e3_2749.smt2 [2018-06-22 16:10:07,965 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:10:07,971 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:10:07,971 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:10:07,971 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:10:07,971 INFO ]: ChcToBoogie initialized [2018-06-22 16:10:07,974 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:10:07" (1/1) ... [2018-06-22 16:10:08,043 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08 Unit [2018-06-22 16:10:08,043 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:10:08,044 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:10:08,044 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:10:08,044 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:10:08,074 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (1/1) ... [2018-06-22 16:10:08,074 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (1/1) ... [2018-06-22 16:10:08,088 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (1/1) ... [2018-06-22 16:10:08,088 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (1/1) ... [2018-06-22 16:10:08,101 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (1/1) ... [2018-06-22 16:10:08,102 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (1/1) ... [2018-06-22 16:10:08,107 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (1/1) ... [2018-06-22 16:10:08,112 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:10:08,113 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:10:08,113 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:10:08,113 INFO ]: RCFGBuilder initialized [2018-06-22 16:10:08,114 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (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 16:10:08,127 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:10:08,128 INFO ]: Found specification of procedure False [2018-06-22 16:10:08,128 INFO ]: Found implementation of procedure False [2018-06-22 16:10:08,128 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:10:08,128 INFO ]: Found specification of procedure state [2018-06-22 16:10:08,128 INFO ]: Found implementation of procedure state [2018-06-22 16:10:08,128 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:10:08,128 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:10:08,128 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 16:10:08,664 INFO ]: Using library mode [2018-06-22 16:10:08,665 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:10:08 BoogieIcfgContainer [2018-06-22 16:10:08,665 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:10:08,667 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:10:08,668 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:10:08,671 INFO ]: TraceAbstraction initialized [2018-06-22 16:10:08,672 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:10:07" (1/3) ... [2018-06-22 16:10:08,674 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67299d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:10:08, skipping insertion in model container [2018-06-22 16:10:08,674 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:10:08" (2/3) ... [2018-06-22 16:10:08,674 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67299d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:10:08, skipping insertion in model container [2018-06-22 16:10:08,674 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:10:08" (3/3) ... [2018-06-22 16:10:08,677 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:10:08,686 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:10:08,697 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:10:08,748 INFO ]: Using default assertion order modulation [2018-06-22 16:10:08,749 INFO ]: Interprodecural is true [2018-06-22 16:10:08,749 INFO ]: Hoare is false [2018-06-22 16:10:08,749 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:10:08,749 INFO ]: Backedges is TWOTRACK [2018-06-22 16:10:08,749 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:10:08,749 INFO ]: Difference is false [2018-06-22 16:10:08,749 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:10:08,749 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:10:08,767 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:10:08,783 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:10:08,783 INFO ]: Found error trace [2018-06-22 16:10:08,784 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:10:08,784 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:10:08,789 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:10:08,791 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:10:08,792 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:10:08,840 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:10:08,840 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:10:08,840 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:10:08,982 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:10:09,299 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:10:09,301 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:10:09,302 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:10:09,303 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:10:09,318 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:10:09,319 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:10:09,322 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:10:09,463 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:10:09,463 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:10:09,465 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:10:09,466 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:10:09,466 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:10:09,478 INFO ]: With dead ends: 13 [2018-06-22 16:10:09,478 INFO ]: Without dead ends: 13 [2018-06-22 16:10:09,480 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 16:10:09,498 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:10:09,538 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:10:09,542 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:10:09,542 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:10:09,543 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:10:09,544 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:10:09,544 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:10:09,544 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:10:09,544 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:10:09,545 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:10:09,545 INFO ]: Found error trace [2018-06-22 16:10:09,545 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:10:09,546 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:10:09,546 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:10:09,546 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:10:09,546 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:10:09,547 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:10:09,547 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:10:09,547 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:10:09,648 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:10:11,031 WARN ]: Spent 1.01 s on a formula simplification. DAG size of input: 158 DAG size of output: 44 [2018-06-22 16:10:11,159 WARN ]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-06-22 16:10:11,227 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:10:11,228 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:10:11,228 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 16:10:11,235 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:10:11,435 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:10:11,449 INFO ]: Computing forward predicates... [2018-06-22 16:10:29,267 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:10:29,270 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:10:29,295 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:10:29,417 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:10:30,895 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:10:32,038 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:10:32,051 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:10:33,304 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:10:33,320 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:10:33,324 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:10:33,327 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:10:34,920 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:10:34,963 WARN ]: Simplifying disjunction of 12024 conjuctions. This might take some time... [2018-06-22 16:10:55,190 INFO ]: Simplified to disjunction of 12024 conjuctions. [2018-06-22 16:10:55,236 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:10:55,239 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:10:55,600 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:10:55,609 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:10:55,609 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:10:55,870 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:10:55,877 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:10:55,890 WARN ]: Simplifying disjunction of 5616 conjuctions. This might take some time... [2018-06-22 16:10:59,844 INFO ]: Simplified to disjunction of 5616 conjuctions. [2018-06-22 16:10:59,867 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:10:59,954 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:10:59,954 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:10:59,955 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:11:00,174 WARN ]: Simplifying disjunction of 6699 conjuctions. This might take some time... [2018-06-22 16:11:05,019 INFO ]: Simplified to disjunction of 6699 conjuctions. [2018-06-22 16:11:05,041 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:11:05,042 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:11:05,045 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 16:11:05,965 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:11:06,767 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:11:06,777 WARN ]: Simplifying disjunction of 7335 conjuctions. This might take some time... [2018-06-22 16:11:10,002 INFO ]: Simplified to disjunction of 7335 conjuctions. [2018-06-22 16:11:10,032 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:11:10,044 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 16:11:10,123 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:11:13,288 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:11:14,298 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:11:14,306 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:11:14,333 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:11:16,422 INFO ]: Timeout while computing interpolants [2018-06-22 16:11:16,623 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:11:16,623 WARN ]: Verification canceled [2018-06-22 16:11:16,628 WARN ]: Timeout [2018-06-22 16:11:16,629 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:11:16 BoogieIcfgContainer [2018-06-22 16:11:16,629 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:11:16,629 INFO ]: Toolchain (without parser) took 68663.65 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 232.7 MB in the beginning and 1.0 GB in the end (delta: -807.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:11:16,630 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:11:16,630 INFO ]: ChcToBoogie took 72.38 ms. Allocated memory is still 309.3 MB. Free memory was 232.7 MB in the beginning and 227.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:11:16,631 INFO ]: Boogie Preprocessor took 68.30 ms. Allocated memory is still 309.3 MB. Free memory was 227.8 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:11:16,631 INFO ]: RCFGBuilder took 552.20 ms. Allocated memory was 309.3 MB in the beginning and 327.2 MB in the end (delta: 17.8 MB). Free memory was 225.7 MB in the beginning and 288.9 MB in the end (delta: -63.1 MB). Peak memory consumption was 42.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:11:16,632 INFO ]: TraceAbstraction took 67961.14 ms. Allocated memory was 327.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 287.4 MB in the beginning and 1.0 GB in the end (delta: -752.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:11:16,635 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 72.38 ms. Allocated memory is still 309.3 MB. Free memory was 232.7 MB in the beginning and 227.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 68.30 ms. Allocated memory is still 309.3 MB. Free memory was 227.8 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 552.20 ms. Allocated memory was 309.3 MB in the beginning and 327.2 MB in the end (delta: 17.8 MB). Free memory was 225.7 MB in the beginning and 288.9 MB in the end (delta: -63.1 MB). Peak memory consumption was 42.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67961.14 ms. Allocated memory was 327.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 287.4 MB in the beginning and 1.0 GB in the end (delta: -752.5 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 5184 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.8s 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, 0.1s 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_e1_3587_e3_2749.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-11-16-649.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e1_3587_e3_2749.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-11-16-649.csv Completed graceful shutdown