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_8_e2_3896_e3_3125.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:40:57,739 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:40:57,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:40:57,756 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:40:57,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:40:57,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:40:57,761 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:40:57,764 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:40:57,765 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:40:57,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:40:57,768 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:40:57,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:40:57,769 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:40:57,770 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:40:57,773 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:40:57,774 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:40:57,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:40:57,785 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:40:57,787 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:40:57,788 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:40:57,791 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:40:57,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:40:57,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:40:57,794 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:40:57,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:40:57,799 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:40:57,800 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:40:57,800 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:40:57,805 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:40:57,805 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:40:57,806 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:40:57,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:40:57,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:40:57,807 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:40:57,809 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:40:57,810 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:40:57,830 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:40:57,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:40:57,831 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:40:57,831 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:40:57,833 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:40:57,833 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:40:57,834 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:40:57,834 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:40:57,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:40:57,834 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:40:57,834 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:40:57,835 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:40:57,835 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:40:57,835 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:40:57,835 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:40:57,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:40:57,836 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:40:57,840 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:40:57,840 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:40:57,886 INFO ]: Repository-Root is: /tmp [2018-06-18 14:40:57,901 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:40:57,905 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:40:57,906 INFO ]: Initializing SmtParser... [2018-06-18 14:40:57,906 INFO ]: SmtParser initialized [2018-06-18 14:40:57,907 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e2_3896_e3_3125.smt2 [2018-06-18 14:40:57,908 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-18 14:40:58,007 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e2_3896_e3_3125.smt2 unknown [2018-06-18 14:40:58,677 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e2_3896_e3_3125.smt2 [2018-06-18 14:40:58,682 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:40:58,698 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:40:58,698 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:40:58,698 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:40:58,699 INFO ]: ChcToBoogie initialized [2018-06-18 14:40:58,713 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:40:58" (1/1) ... [2018-06-18 14:40:58,877 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58 Unit [2018-06-18 14:40:58,877 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:40:58,878 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:40:58,878 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:40:58,878 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:40:58,903 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (1/1) ... [2018-06-18 14:40:58,903 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (1/1) ... [2018-06-18 14:40:58,926 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (1/1) ... [2018-06-18 14:40:58,926 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (1/1) ... [2018-06-18 14:40:58,939 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (1/1) ... [2018-06-18 14:40:58,941 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (1/1) ... [2018-06-18 14:40:58,946 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (1/1) ... [2018-06-18 14:40:58,953 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:40:58,953 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:40:58,954 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:40:58,954 INFO ]: RCFGBuilder initialized [2018-06-18 14:40:58,955 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (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 [2018-06-18 14:40:58,966 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:40:58,966 INFO ]: Found specification of procedure False [2018-06-18 14:40:58,966 INFO ]: Found implementation of procedure False [2018-06-18 14:40:58,966 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:40:58,966 INFO ]: Found specification of procedure state [2018-06-18 14:40:58,966 INFO ]: Found implementation of procedure state [2018-06-18 14:40:58,966 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:40:58,966 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:40:58,966 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 14:40:59,477 INFO ]: Using library mode [2018-06-18 14:40:59,478 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:40:59 BoogieIcfgContainer [2018-06-18 14:40:59,478 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:40:59,479 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:40:59,479 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:40:59,486 INFO ]: TraceAbstraction initialized [2018-06-18 14:40:59,486 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:40:58" (1/3) ... [2018-06-18 14:40:59,487 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7285696b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:40:59, skipping insertion in model container [2018-06-18 14:40:59,487 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:40:58" (2/3) ... [2018-06-18 14:40:59,487 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7285696b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:40:59, skipping insertion in model container [2018-06-18 14:40:59,488 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:40:59" (3/3) ... [2018-06-18 14:40:59,491 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:40:59,501 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:40:59,513 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:40:59,564 INFO ]: Using default assertion order modulation [2018-06-18 14:40:59,565 INFO ]: Interprodecural is true [2018-06-18 14:40:59,565 INFO ]: Hoare is false [2018-06-18 14:40:59,565 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:40:59,565 INFO ]: Backedges is TWOTRACK [2018-06-18 14:40:59,565 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:40:59,565 INFO ]: Difference is false [2018-06-18 14:40:59,565 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:40:59,565 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:40:59,584 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:40:59,603 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:40:59,603 INFO ]: Found error trace [2018-06-18 14:40:59,604 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:40:59,604 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:40:59,610 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:40:59,613 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:40:59,613 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:40:59,667 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:40:59,667 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:40:59,667 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:40:59,818 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:40:59,830 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:41:00,088 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:41:00,091 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:41:00,091 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:41:00,093 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:41:00,111 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:41:00,112 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:41:00,115 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:41:00,286 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:41:00,286 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:41:00,289 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:41:00,290 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:41:00,291 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:41:00,305 INFO ]: With dead ends: 13 [2018-06-18 14:41:00,305 INFO ]: Without dead ends: 13 [2018-06-18 14:41:00,311 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 [2018-06-18 14:41:00,327 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:41:00,353 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:41:00,354 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:41:00,355 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:41:00,356 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:41:00,357 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:41:00,357 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:41:00,357 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:41:00,357 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:41:00,358 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:41:00,358 INFO ]: Found error trace [2018-06-18 14:41:00,358 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:41:00,359 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:41:00,359 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:41:00,359 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:41:00,359 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:41:00,360 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:41:00,360 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:41:00,360 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:41:00,505 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:41:00,506 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:41:01,958 WARN ]: Spent 1.08 s on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-06-18 14:41:02,349 WARN ]: Spent 114.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 1 [2018-06-18 14:41:02,351 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:41:02,351 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:41:02,351 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) [2018-06-18 14:41:02,365 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:41:02,561 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:41:02,578 INFO ]: Computing forward predicates... [2018-06-18 14:41:02,817 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 14:41:02,842 WARN ]: expecting exponential blowup for input size 21 Received shutdown request... [2018-06-18 14:42:01,545 INFO ]: Timeout while computing interpolants [2018-06-18 14:42:01,747 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:42:01,747 WARN ]: Verification canceled [2018-06-18 14:42:01,756 WARN ]: Timeout [2018-06-18 14:42:01,756 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:42:01 BoogieIcfgContainer [2018-06-18 14:42:01,757 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:42:01,757 INFO ]: Toolchain (without parser) took 63074.51 ms. Allocated memory was 308.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 230.7 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 14:42:01,758 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:42:01,777 INFO ]: ChcToBoogie took 179.08 ms. Allocated memory is still 308.3 MB. Free memory was 229.7 MB in the beginning and 222.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:42:01,777 INFO ]: Boogie Preprocessor took 74.90 ms. Allocated memory is still 308.3 MB. Free memory was 222.7 MB in the beginning and 220.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:42:01,789 INFO ]: RCFGBuilder took 524.41 ms. Allocated memory is still 308.3 MB. Free memory was 220.7 MB in the beginning and 266.1 MB in the end (delta: -45.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:42:01,790 INFO ]: TraceAbstraction took 62277.26 ms. Allocated memory was 308.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 264.9 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.5 GB. Max. memory is 3.6 GB. [2018-06-18 14:42:01,792 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 179.08 ms. Allocated memory is still 308.3 MB. Free memory was 229.7 MB in the beginning and 222.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.90 ms. Allocated memory is still 308.3 MB. Free memory was 222.7 MB in the beginning and 220.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 524.41 ms. Allocated memory is still 308.3 MB. Free memory was 220.7 MB in the beginning and 266.1 MB in the end (delta: -45.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 62277.26 ms. Allocated memory was 308.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 264.9 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.5 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 transforming 21 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 62.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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_8_e2_3896_e3_3125.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-42-01-843.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_8_e2_3896_e3_3125.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-42-01-843.csv Completed graceful shutdown