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_e2_402.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:12:27,971 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:12:27,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:12:27,987 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:12:27,987 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:12:27,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:12:27,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:12:27,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:12:27,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:12:27,996 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:12:27,999 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:12:27,999 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:12:28,000 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:12:28,001 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:12:28,001 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:12:28,005 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:12:28,006 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:12:28,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:12:28,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:12:28,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:12:28,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:12:28,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:12:28,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:12:28,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:12:28,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:12:28,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:12:28,035 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:12:28,036 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:12:28,037 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:12:28,037 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:12:28,038 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:12:28,039 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:12:28,039 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:12:28,040 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:12:28,040 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:12:28,041 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 16:12:28,058 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:12:28,059 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:12:28,059 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:12:28,059 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:12:28,060 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:12:28,060 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:12:28,061 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:12:28,061 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:12:28,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:12:28,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:12:28,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:12:28,062 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:12:28,062 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:12:28,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:12:28,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:12:28,062 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:12:28,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:12:28,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:12:28,063 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:12:28,064 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:12:28,065 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:12:28,109 INFO ]: Repository-Root is: /tmp [2018-06-22 16:12:28,129 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:12:28,136 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:12:28,137 INFO ]: Initializing SmtParser... [2018-06-22 16:12:28,138 INFO ]: SmtParser initialized [2018-06-22 16:12:28,139 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_402.smt2 [2018-06-22 16:12:28,140 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 16:12:28,234 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_402.smt2 unknown [2018-06-22 16:12:28,886 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_402.smt2 [2018-06-22 16:12:28,891 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:12:28,897 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:12:28,898 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:12:28,898 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:12:28,898 INFO ]: ChcToBoogie initialized [2018-06-22 16:12:28,901 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:12:28" (1/1) ... [2018-06-22 16:12:28,967 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28 Unit [2018-06-22 16:12:28,967 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:12:28,968 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:12:28,968 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:12:28,968 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:12:28,991 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (1/1) ... [2018-06-22 16:12:28,991 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (1/1) ... [2018-06-22 16:12:29,022 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (1/1) ... [2018-06-22 16:12:29,022 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (1/1) ... [2018-06-22 16:12:29,049 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (1/1) ... [2018-06-22 16:12:29,054 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (1/1) ... [2018-06-22 16:12:29,058 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (1/1) ... [2018-06-22 16:12:29,068 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:12:29,069 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:12:29,069 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:12:29,069 INFO ]: RCFGBuilder initialized [2018-06-22 16:12:29,069 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (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 16:12:29,083 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:12:29,083 INFO ]: Found specification of procedure False [2018-06-22 16:12:29,084 INFO ]: Found implementation of procedure False [2018-06-22 16:12:29,084 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:12:29,084 INFO ]: Found specification of procedure state [2018-06-22 16:12:29,084 INFO ]: Found implementation of procedure state [2018-06-22 16:12:29,084 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:12:29,084 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:12:29,084 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:12:29,630 INFO ]: Using library mode [2018-06-22 16:12:29,631 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:12:29 BoogieIcfgContainer [2018-06-22 16:12:29,631 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:12:29,633 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:12:29,633 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:12:29,639 INFO ]: TraceAbstraction initialized [2018-06-22 16:12:29,639 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:12:28" (1/3) ... [2018-06-22 16:12:29,640 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f0cc26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:12:29, skipping insertion in model container [2018-06-22 16:12:29,640 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:12:28" (2/3) ... [2018-06-22 16:12:29,640 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f0cc26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:12:29, skipping insertion in model container [2018-06-22 16:12:29,640 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:12:29" (3/3) ... [2018-06-22 16:12:29,643 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:12:29,653 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:12:29,664 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:12:29,712 INFO ]: Using default assertion order modulation [2018-06-22 16:12:29,713 INFO ]: Interprodecural is true [2018-06-22 16:12:29,713 INFO ]: Hoare is false [2018-06-22 16:12:29,713 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:12:29,713 INFO ]: Backedges is TWOTRACK [2018-06-22 16:12:29,713 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:12:29,713 INFO ]: Difference is false [2018-06-22 16:12:29,713 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:12:29,713 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:12:29,730 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:12:29,744 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:12:29,744 INFO ]: Found error trace [2018-06-22 16:12:29,745 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:12:29,745 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:12:29,751 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:12:29,753 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:12:29,754 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:12:29,804 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:12:29,804 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:12:29,804 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:12:29,941 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:12:30,179 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:12:30,182 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:12:30,182 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:12:30,184 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:12:30,200 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:12:30,200 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:12:30,204 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:12:30,359 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:12:30,360 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:12:30,362 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:12:30,363 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:12:30,363 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:12:30,377 INFO ]: With dead ends: 13 [2018-06-22 16:12:30,377 INFO ]: Without dead ends: 13 [2018-06-22 16:12:30,382 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:12:30,400 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:12:30,424 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:12:30,425 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:12:30,425 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:12:30,427 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:12:30,427 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:12:30,427 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:12:30,427 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:12:30,427 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:12:30,428 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:12:30,428 INFO ]: Found error trace [2018-06-22 16:12:30,428 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:12:30,428 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:12:30,429 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:12:30,429 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:12:30,429 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:12:30,430 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:12:30,430 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:12:30,430 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:12:30,526 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:12:31,978 WARN ]: Spent 1.10 s on a formula simplification. DAG size of input: 147 DAG size of output: 102 [2018-06-22 16:12:32,216 WARN ]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-06-22 16:12:32,304 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:12:32,304 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:12:32,304 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 16:12:32,335 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:12:32,474 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:12:32,487 INFO ]: Computing forward predicates... [2018-06-22 16:12:45,703 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:12:47,167 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:12:47,466 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:12:47,473 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:12:47,480 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:12:50,788 WARN ]: Simplifying disjunction of 861840 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:13:36,688 INFO ]: Timeout while computing interpolants [2018-06-22 16:13:36,889 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:13:36,889 WARN ]: Verification canceled [2018-06-22 16:13:36,893 WARN ]: Timeout [2018-06-22 16:13:36,894 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:13:36 BoogieIcfgContainer [2018-06-22 16:13:36,894 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:13:36,895 INFO ]: Toolchain (without parser) took 68002.93 ms. Allocated memory was 305.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 227.2 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:13:36,895 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 305.7 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:13:36,896 INFO ]: ChcToBoogie took 70.16 ms. Allocated memory is still 305.7 MB. Free memory was 227.2 MB in the beginning and 224.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:13:36,896 INFO ]: Boogie Preprocessor took 99.67 ms. Allocated memory is still 305.7 MB. Free memory was 224.2 MB in the beginning and 222.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:13:36,906 INFO ]: RCFGBuilder took 562.18 ms. Allocated memory was 305.7 MB in the beginning and 324.5 MB in the end (delta: 18.9 MB). Free memory was 222.2 MB in the beginning and 286.2 MB in the end (delta: -64.0 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:13:36,907 INFO ]: TraceAbstraction took 67260.59 ms. Allocated memory was 324.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 286.2 MB in the beginning and 1.3 GB in the end (delta: -973.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 16:13:36,909 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 305.7 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 70.16 ms. Allocated memory is still 305.7 MB. Free memory was 227.2 MB in the beginning and 224.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.67 ms. Allocated memory is still 305.7 MB. Free memory was 224.2 MB in the beginning and 222.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 562.18 ms. Allocated memory was 305.7 MB in the beginning and 324.5 MB in the end (delta: 18.9 MB). Free memory was 222.2 MB in the beginning and 286.2 MB in the end (delta: -64.0 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67260.59 ms. Allocated memory was 324.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 286.2 MB in the beginning and 1.3 GB in the end (delta: -973.0 MB). Peak memory consumption was 1.5 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 861840 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.1s 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e2_402.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-13-36-927.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e2_402.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-13-36-927.csv Completed graceful shutdown