java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_5396_e3_282.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:12:38,915 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:12:38,918 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:12:38,934 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:12:38,935 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:12:38,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:12:38,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:12:38,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:12:38,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:12:38,945 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:12:38,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:12:38,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:12:38,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:12:38,948 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:12:38,948 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:12:38,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:12:38,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:12:38,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:12:38,965 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:12:38,966 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:12:38,967 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:12:38,971 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:12:38,972 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:12:38,972 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:12:38,973 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:12:38,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:12:38,976 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:12:38,976 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:12:38,977 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:12:38,978 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:12:38,978 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:12:38,981 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:12:38,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:12:38,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:12:38,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:12:38,983 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:12:38,997 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:12:38,997 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:12:38,998 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:12:38,998 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:12:38,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:12:39,000 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:12:39,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:12:39,000 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:12:39,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:12:39,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:12:39,003 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:12:39,004 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:12:39,004 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:12:39,004 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:12:39,004 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:12:39,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:12:39,005 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:12:39,006 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:12:39,006 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:12:39,057 INFO ]: Repository-Root is: /tmp [2018-06-18 14:12:39,071 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:12:39,075 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:12:39,077 INFO ]: Initializing SmtParser... [2018-06-18 14:12:39,077 INFO ]: SmtParser initialized [2018-06-18 14:12:39,078 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_5396_e3_282.smt2 [2018-06-18 14:12:39,079 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 [2018-06-18 14:12:39,217 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_5396_e3_282.smt2 unknown [2018-06-18 14:12:39,934 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e2_5396_e3_282.smt2 [2018-06-18 14:12:39,938 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:12:39,944 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:12:39,945 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:12:39,945 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:12:39,945 INFO ]: ChcToBoogie initialized [2018-06-18 14:12:39,952 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:12:39" (1/1) ... [2018-06-18 14:12:40,060 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40 Unit [2018-06-18 14:12:40,060 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:12:40,061 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:12:40,061 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:12:40,061 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:12:40,084 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (1/1) ... [2018-06-18 14:12:40,084 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (1/1) ... [2018-06-18 14:12:40,101 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (1/1) ... [2018-06-18 14:12:40,101 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (1/1) ... [2018-06-18 14:12:40,120 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (1/1) ... [2018-06-18 14:12:40,122 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (1/1) ... [2018-06-18 14:12:40,127 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (1/1) ... [2018-06-18 14:12:40,134 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:12:40,134 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:12:40,134 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:12:40,134 INFO ]: RCFGBuilder initialized [2018-06-18 14:12:40,135 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (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) [2018-06-18 14:12:40,151 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:12:40,151 INFO ]: Found specification of procedure False [2018-06-18 14:12:40,151 INFO ]: Found implementation of procedure False [2018-06-18 14:12:40,151 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:12:40,151 INFO ]: Found specification of procedure state [2018-06-18 14:12:40,151 INFO ]: Found implementation of procedure state [2018-06-18 14:12:40,151 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:12:40,151 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:12:40,151 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 [2018-06-18 14:12:40,638 INFO ]: Using library mode [2018-06-18 14:12:40,639 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:12:40 BoogieIcfgContainer [2018-06-18 14:12:40,639 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:12:40,643 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:12:40,643 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:12:40,650 INFO ]: TraceAbstraction initialized [2018-06-18 14:12:40,650 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:12:39" (1/3) ... [2018-06-18 14:12:40,652 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba4b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:12:40, skipping insertion in model container [2018-06-18 14:12:40,652 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:12:40" (2/3) ... [2018-06-18 14:12:40,652 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba4b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:12:40, skipping insertion in model container [2018-06-18 14:12:40,652 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:12:40" (3/3) ... [2018-06-18 14:12:40,654 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:12:40,666 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:12:40,677 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:12:40,731 INFO ]: Using default assertion order modulation [2018-06-18 14:12:40,732 INFO ]: Interprodecural is true [2018-06-18 14:12:40,732 INFO ]: Hoare is false [2018-06-18 14:12:40,732 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:12:40,732 INFO ]: Backedges is TWOTRACK [2018-06-18 14:12:40,732 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:12:40,732 INFO ]: Difference is false [2018-06-18 14:12:40,732 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:12:40,732 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:12:40,755 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:12:40,773 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:12:40,774 INFO ]: Found error trace [2018-06-18 14:12:40,776 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:12:40,776 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:12:40,783 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:12:40,785 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:12:40,786 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:12:40,837 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:12:40,837 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:12:40,837 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:12:40,989 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:12:41,003 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:12:41,355 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:12:41,358 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:12:41,358 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:12:41,360 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:12:41,377 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:12:41,377 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:12:41,379 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:12:41,528 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:12:41,528 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:12:41,529 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:12:41,531 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:12:41,531 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:12:41,549 INFO ]: With dead ends: 13 [2018-06-18 14:12:41,549 INFO ]: Without dead ends: 13 [2018-06-18 14:12:41,551 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 [2018-06-18 14:12:41,571 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:12:41,613 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:12:41,615 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:12:41,615 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:12:41,620 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:12:41,621 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:12:41,621 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:12:41,621 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:12:41,621 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:12:41,622 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:12:41,622 INFO ]: Found error trace [2018-06-18 14:12:41,622 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:12:41,623 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:12:41,623 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:12:41,623 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:12:41,623 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:12:41,624 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:12:41,625 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:12:41,625 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:12:41,752 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:12:41,753 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:12:43,001 WARN ]: Spent 748.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2018-06-18 14:12:43,090 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:12:43,090 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:12:43,090 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 [2018-06-18 14:12:43,099 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:12:43,332 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:12:43,352 INFO ]: Computing forward predicates... [2018-06-18 14:12:43,838 WARN ]: expecting exponential blowup for input size 19 [2018-06-18 14:12:47,283 WARN ]: Simplifying disjunction of 186624 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:13:59,341 INFO ]: Timeout while computing interpolants [2018-06-18 14:13:59,542 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:13:59,542 WARN ]: Verification canceled [2018-06-18 14:13:59,547 WARN ]: Timeout [2018-06-18 14:13:59,547 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:13:59 BoogieIcfgContainer [2018-06-18 14:13:59,547 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:13:59,549 INFO ]: Toolchain (without parser) took 79609.58 ms. Allocated memory was 305.1 MB in the beginning and 1.1 GB in the end (delta: 755.5 MB). Free memory was 227.6 MB in the beginning and 528.0 MB in the end (delta: -300.3 MB). Peak memory consumption was 676.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:59,550 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:13:59,550 INFO ]: ChcToBoogie took 115.55 ms. Allocated memory is still 305.1 MB. Free memory was 227.6 MB in the beginning and 219.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:59,552 INFO ]: Boogie Preprocessor took 72.92 ms. Allocated memory is still 305.1 MB. Free memory is still 219.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:13:59,553 INFO ]: RCFGBuilder took 504.93 ms. Allocated memory was 305.1 MB in the beginning and 326.1 MB in the end (delta: 21.0 MB). Free memory was 219.7 MB in the beginning and 282.5 MB in the end (delta: -62.9 MB). Peak memory consumption was 41.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:59,553 INFO ]: TraceAbstraction took 78904.20 ms. Allocated memory was 326.1 MB in the beginning and 1.1 GB in the end (delta: 734.5 MB). Free memory was 282.5 MB in the beginning and 528.0 MB in the end (delta: -245.4 MB). Peak memory consumption was 710.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:59,556 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 115.55 ms. Allocated memory is still 305.1 MB. Free memory was 227.6 MB in the beginning and 219.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.92 ms. Allocated memory is still 305.1 MB. Free memory is still 219.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 504.93 ms. Allocated memory was 305.1 MB in the beginning and 326.1 MB in the end (delta: 21.0 MB). Free memory was 219.7 MB in the beginning and 282.5 MB in the end (delta: -62.9 MB). Peak memory consumption was 41.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78904.20 ms. Allocated memory was 326.1 MB in the beginning and 1.1 GB in the end (delta: 734.5 MB). Free memory was 282.5 MB in the beginning and 528.0 MB in the end (delta: -245.4 MB). Peak memory consumption was 710.3 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 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 186624 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 78.8s 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_11_e2_5396_e3_282.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-13-59-582.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e2_5396_e3_282.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-13-59-582.csv Completed graceful shutdown