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_5_e1_1835.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:50:34,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:50:34,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:50:34,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:50:34,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:50:34,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:50:34,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:50:34,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:50:34,850 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:50:34,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:50:34,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:50:34,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:50:34,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:50:34,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:50:34,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:50:34,858 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:50:34,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:50:34,861 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:50:34,874 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:50:34,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:50:34,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:50:34,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:50:34,879 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:50:34,879 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:50:34,880 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:50:34,880 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:50:34,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:50:34,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:50:34,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:50:34,887 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:50:34,888 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:50:34,889 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:50:34,892 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:50:34,893 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:50:34,894 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:50:34,894 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 16:50:34,915 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:50:34,916 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:50:34,916 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:50:34,916 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:50:34,917 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:50:34,917 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:50:34,917 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:50:34,919 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:50:34,919 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:50:34,919 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:50:34,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:50:34,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:50:34,920 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:50:34,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:50:34,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:50:34,920 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:50:34,921 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:50:34,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:50:34,921 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:50:34,922 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:50:34,922 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:50:34,970 INFO ]: Repository-Root is: /tmp [2018-06-22 16:50:34,984 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:50:34,990 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:50:34,991 INFO ]: Initializing SmtParser... [2018-06-22 16:50:34,991 INFO ]: SmtParser initialized [2018-06-22 16:50:34,994 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e1_1835.smt2 [2018-06-22 16:50:34,995 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 16:50:35,083 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e1_1835.smt2 unknown [2018-06-22 16:50:35,757 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e1_1835.smt2 [2018-06-22 16:50:35,762 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:50:35,768 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:50:35,768 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:50:35,768 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:50:35,768 INFO ]: ChcToBoogie initialized [2018-06-22 16:50:35,772 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:50:35" (1/1) ... [2018-06-22 16:50:35,849 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35 Unit [2018-06-22 16:50:35,849 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:50:35,850 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:50:35,850 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:50:35,850 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:50:35,880 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (1/1) ... [2018-06-22 16:50:35,880 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (1/1) ... [2018-06-22 16:50:35,895 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (1/1) ... [2018-06-22 16:50:35,895 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (1/1) ... [2018-06-22 16:50:35,925 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (1/1) ... [2018-06-22 16:50:35,926 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (1/1) ... [2018-06-22 16:50:35,938 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (1/1) ... [2018-06-22 16:50:35,946 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:50:35,946 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:50:35,946 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:50:35,947 INFO ]: RCFGBuilder initialized [2018-06-22 16:50:35,947 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (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 16:50:35,959 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:50:35,959 INFO ]: Found specification of procedure False [2018-06-22 16:50:35,959 INFO ]: Found implementation of procedure False [2018-06-22 16:50:35,960 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:50:35,960 INFO ]: Found specification of procedure state [2018-06-22 16:50:35,960 INFO ]: Found implementation of procedure state [2018-06-22 16:50:35,960 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:50:35,960 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:50:35,960 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:50:36,470 INFO ]: Using library mode [2018-06-22 16:50:36,471 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:50:36 BoogieIcfgContainer [2018-06-22 16:50:36,471 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:50:36,472 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:50:36,472 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:50:36,477 INFO ]: TraceAbstraction initialized [2018-06-22 16:50:36,477 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:50:35" (1/3) ... [2018-06-22 16:50:36,478 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328520e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:50:36, skipping insertion in model container [2018-06-22 16:50:36,478 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:35" (2/3) ... [2018-06-22 16:50:36,478 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328520e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:50:36, skipping insertion in model container [2018-06-22 16:50:36,478 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:50:36" (3/3) ... [2018-06-22 16:50:36,480 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:50:36,489 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:50:36,499 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:50:36,544 INFO ]: Using default assertion order modulation [2018-06-22 16:50:36,545 INFO ]: Interprodecural is true [2018-06-22 16:50:36,545 INFO ]: Hoare is false [2018-06-22 16:50:36,545 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:50:36,545 INFO ]: Backedges is TWOTRACK [2018-06-22 16:50:36,545 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:50:36,545 INFO ]: Difference is false [2018-06-22 16:50:36,545 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:50:36,545 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:50:36,562 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:50:36,575 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:50:36,575 INFO ]: Found error trace [2018-06-22 16:50:36,576 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:50:36,576 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:50:36,582 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:50:36,585 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:50:36,585 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:50:36,633 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:50:36,634 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:50:36,634 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:50:36,754 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:50:36,997 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:50:37,000 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:50:37,000 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:50:37,002 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:50:37,017 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:50:37,018 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:50:37,021 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:50:37,169 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:50:37,170 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:50:37,171 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:50:37,173 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:50:37,173 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:50:37,187 INFO ]: With dead ends: 13 [2018-06-22 16:50:37,187 INFO ]: Without dead ends: 13 [2018-06-22 16:50:37,188 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 16:50:37,206 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:50:37,245 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:50:37,247 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:50:37,247 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:50:37,248 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:50:37,249 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:50:37,249 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:50:37,249 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:50:37,249 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:50:37,250 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:50:37,250 INFO ]: Found error trace [2018-06-22 16:50:37,250 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:50:37,250 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:50:37,250 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:50:37,250 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:50:37,250 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:50:37,251 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:50:37,251 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:50:37,251 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:50:37,368 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:50:38,837 WARN ]: Spent 1.16 s on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2018-06-22 16:50:38,879 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:50:38,879 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:50:38,879 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 16:50:38,887 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:50:39,060 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:50:39,076 INFO ]: Computing forward predicates... [2018-06-22 16:50:39,427 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 16:50:40,043 WARN ]: Simplifying disjunction of 31104 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:51:56,613 INFO ]: Timeout while computing interpolants [2018-06-22 16:51:56,814 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:51:56,814 WARN ]: Verification canceled [2018-06-22 16:51:56,819 WARN ]: Timeout [2018-06-22 16:51:56,820 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:51:56 BoogieIcfgContainer [2018-06-22 16:51:56,820 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:51:56,821 INFO ]: Toolchain (without parser) took 81058.24 ms. Allocated memory was 306.2 MB in the beginning and 390.1 MB in the end (delta: 83.9 MB). Free memory was 230.3 MB in the beginning and 212.4 MB in the end (delta: 17.9 MB). Peak memory consumption was 132.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:51:56,821 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 306.2 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:51:56,822 INFO ]: ChcToBoogie took 81.22 ms. Allocated memory is still 306.2 MB. Free memory was 230.3 MB in the beginning and 227.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:51:56,822 INFO ]: Boogie Preprocessor took 96.15 ms. Allocated memory is still 306.2 MB. Free memory was 227.3 MB in the beginning and 225.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:51:56,840 INFO ]: RCFGBuilder took 524.52 ms. Allocated memory was 306.2 MB in the beginning and 325.6 MB in the end (delta: 19.4 MB). Free memory was 225.3 MB in the beginning and 290.0 MB in the end (delta: -64.7 MB). Peak memory consumption was 45.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:51:56,841 INFO ]: TraceAbstraction took 80347.74 ms. Allocated memory was 325.6 MB in the beginning and 390.1 MB in the end (delta: 64.5 MB). Free memory was 290.0 MB in the beginning and 212.4 MB in the end (delta: 77.6 MB). Peak memory consumption was 173.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:51:56,843 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 306.2 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 81.22 ms. Allocated memory is still 306.2 MB. Free memory was 230.3 MB in the beginning and 227.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 96.15 ms. Allocated memory is still 306.2 MB. Free memory was 227.3 MB in the beginning and 225.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 524.52 ms. Allocated memory was 306.2 MB in the beginning and 325.6 MB in the end (delta: 19.4 MB). Free memory was 225.3 MB in the beginning and 290.0 MB in the end (delta: -64.7 MB). Peak memory consumption was 45.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 80347.74 ms. Allocated memory was 325.6 MB in the beginning and 390.1 MB in the end (delta: 64.5 MB). Free memory was 290.0 MB in the beginning and 212.4 MB in the end (delta: 77.6 MB). Peak memory consumption was 173.1 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 31104 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 80.2s 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, 0.0s 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_5_e1_1835.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-51-56-869.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e1_1835.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-51-56-869.csv Completed graceful shutdown