java -Xss4m -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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162_e8_5719.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 14:18:58,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 14:18:58,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 14:18:58,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 14:18:58,720 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 14:18:58,721 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 14:18:58,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 14:18:58,727 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 14:18:58,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 14:18:58,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 14:18:58,731 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 14:18:58,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 14:18:58,732 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 14:18:58,735 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 14:18:58,736 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 14:18:58,737 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 14:18:58,740 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 14:18:58,741 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 14:18:58,743 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 14:18:58,744 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 14:18:58,745 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 14:18:58,747 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 14:18:58,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 14:18:58,748 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 14:18:58,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 14:18:58,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 14:18:58,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 14:18:58,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 14:18:58,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 14:18:58,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 14:18:58,753 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 14:18:58,754 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 14:18:58,754 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 14:18:58,755 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 14:18:58,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 14:18:58,756 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 14:18:58,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 14:18:58,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 14:18:58,771 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 14:18:58,771 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 14:18:58,772 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 14:18:58,772 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 14:18:58,772 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 14:18:58,772 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 14:18:58,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 14:18:58,773 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 14:18:58,773 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 14:18:58,773 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 14:18:58,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 14:18:58,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 14:18:58,774 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 14:18:58,774 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 14:18:58,774 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 14:18:58,775 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 14:18:58,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 14:18:58,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 14:18:58,775 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 14:18:58,778 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 14:18:58,778 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 14:18:58,837 INFO ]: Repository-Root is: /tmp [2018-06-25 14:18:58,860 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 14:18:58,864 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 14:18:58,865 INFO ]: Initializing SmtParser... [2018-06-25 14:18:58,866 INFO ]: SmtParser initialized [2018-06-25 14:18:58,866 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162_e8_5719.smt2 [2018-06-25 14:18:58,868 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 [2018-06-25 14:18:58,963 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162_e8_5719.smt2 unknown [2018-06-25 14:18:59,838 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162_e8_5719.smt2 [2018-06-25 14:18:59,843 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 14:18:59,848 INFO ]: Walking toolchain with 4 elements. [2018-06-25 14:18:59,849 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 14:18:59,849 INFO ]: Initializing ChcToBoogie... [2018-06-25 14:18:59,849 INFO ]: ChcToBoogie initialized [2018-06-25 14:18:59,852 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 02:18:59" (1/1) ... [2018-06-25 14:18:59,951 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59 Unit [2018-06-25 14:18:59,951 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 14:18:59,952 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 14:18:59,952 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 14:18:59,952 INFO ]: Boogie Preprocessor initialized [2018-06-25 14:18:59,968 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (1/1) ... [2018-06-25 14:18:59,969 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (1/1) ... [2018-06-25 14:18:59,985 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (1/1) ... [2018-06-25 14:18:59,985 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (1/1) ... [2018-06-25 14:18:59,997 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (1/1) ... [2018-06-25 14:18:59,999 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (1/1) ... [2018-06-25 14:19:00,004 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (1/1) ... [2018-06-25 14:19:00,010 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 14:19:00,011 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 14:19:00,011 INFO ]: Initializing RCFGBuilder... [2018-06-25 14:19:00,011 INFO ]: RCFGBuilder initialized [2018-06-25 14:19:00,013 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (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 [2018-06-25 14:19:00,030 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 14:19:00,030 INFO ]: Found specification of procedure gotoProc [2018-06-25 14:19:00,030 INFO ]: Found implementation of procedure gotoProc [2018-06-25 14:19:00,030 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 14:19:00,030 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 14:19:00,030 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 14:19:00,588 INFO ]: Using library mode [2018-06-25 14:19:00,589 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 02:19:00 BoogieIcfgContainer [2018-06-25 14:19:00,589 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 14:19:00,592 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 14:19:00,592 INFO ]: Initializing TraceAbstraction... [2018-06-25 14:19:00,595 INFO ]: TraceAbstraction initialized [2018-06-25 14:19:00,595 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 02:18:59" (1/3) ... [2018-06-25 14:19:00,596 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c19c9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 02:19:00, skipping insertion in model container [2018-06-25 14:19:00,596 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:18:59" (2/3) ... [2018-06-25 14:19:00,596 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c19c9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 02:19:00, skipping insertion in model container [2018-06-25 14:19:00,596 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 02:19:00" (3/3) ... [2018-06-25 14:19:00,598 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 14:19:00,606 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 14:19:00,615 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 14:19:00,664 INFO ]: Using default assertion order modulation [2018-06-25 14:19:00,665 INFO ]: Interprodecural is true [2018-06-25 14:19:00,665 INFO ]: Hoare is false [2018-06-25 14:19:00,665 INFO ]: Compute interpolants for FPandBP [2018-06-25 14:19:00,665 INFO ]: Backedges is TWOTRACK [2018-06-25 14:19:00,665 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 14:19:00,665 INFO ]: Difference is false [2018-06-25 14:19:00,665 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 14:19:00,665 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 14:19:00,682 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 14:19:00,694 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 14:19:00,694 INFO ]: Found error trace [2018-06-25 14:19:00,695 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 14:19:00,695 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 14:19:00,701 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-25 14:19:00,704 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 14:19:00,704 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 14:19:00,755 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 14:19:00,755 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 14:19:00,755 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 14:19:00,917 INFO ]: Conjunction of SSA is unsat [2018-06-25 14:19:01,194 WARN ]: Spent 105.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 7 [2018-06-25 14:19:01,196 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 14:19:01,198 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 14:19:01,198 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 14:19:01,199 INFO ]: Interpolant automaton has 3 states [2018-06-25 14:19:01,213 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 14:19:01,213 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 14:19:01,216 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 14:19:01,308 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 14:19:01,310 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 14:19:01,311 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 14:19:01,312 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 14:19:01,312 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 14:19:01,321 INFO ]: With dead ends: 9 [2018-06-25 14:19:01,321 INFO ]: Without dead ends: 9 [2018-06-25 14:19:01,324 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 14:19:01,342 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 14:19:01,370 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 14:19:01,371 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 14:19:01,371 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 14:19:01,373 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 14:19:01,373 INFO ]: Finished accepts. word is rejected. [2018-06-25 14:19:01,373 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 14:19:01,373 INFO ]: Interpolant automaton has 3 states. [2018-06-25 14:19:01,373 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 14:19:01,373 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 14:19:01,373 INFO ]: Found error trace [2018-06-25 14:19:01,373 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 14:19:01,373 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 14:19:01,373 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-25 14:19:01,373 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 14:19:01,374 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 14:19:01,374 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 14:19:01,374 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 14:19:01,374 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 14:19:01,487 INFO ]: Conjunction of SSA is unsat [2018-06-25 14:19:01,787 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 14:19:01,787 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 14:19:01,787 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 [2018-06-25 14:19:01,796 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 14:19:02,029 INFO ]: Conjunction of SSA is unsat [2018-06-25 14:19:02,047 INFO ]: Computing forward predicates... [2018-06-25 14:19:09,556 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 14:19:09,576 WARN ]: expecting exponential blowup for input size 8 [2018-06-25 14:19:09,754 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 14:19:09,759 WARN ]: expecting exponential blowup for input size 8 [2018-06-25 14:19:09,936 WARN ]: expecting exponential blowup for input size 12 [2018-06-25 14:19:10,215 WARN ]: Simplifying disjunction of 57024 conjuctions. This might take some time... Received shutdown request... [2018-06-25 14:20:15,011 INFO ]: Timeout while computing interpolants [2018-06-25 14:20:15,212 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 14:20:15,212 WARN ]: Verification canceled [2018-06-25 14:20:15,216 WARN ]: Timeout [2018-06-25 14:20:15,216 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 02:20:15 BoogieIcfgContainer [2018-06-25 14:20:15,216 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 14:20:15,217 INFO ]: Toolchain (without parser) took 75373.88 ms. Allocated memory was 308.8 MB in the beginning and 629.7 MB in the end (delta: 320.9 MB). Free memory was 230.3 MB in the beginning and 281.0 MB in the end (delta: -50.8 MB). Peak memory consumption was 394.6 MB. Max. memory is 3.6 GB. [2018-06-25 14:20:15,217 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 14:20:15,218 INFO ]: ChcToBoogie took 102.85 ms. Allocated memory is still 308.8 MB. Free memory was 230.3 MB in the beginning and 226.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 14:20:15,218 INFO ]: Boogie Preprocessor took 58.72 ms. Allocated memory is still 308.8 MB. Free memory was 226.3 MB in the beginning and 224.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 14:20:15,218 INFO ]: RCFGBuilder took 577.86 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 224.3 MB in the beginning and 273.5 MB in the end (delta: -49.2 MB). Peak memory consumption was 42.3 MB. Max. memory is 3.6 GB. [2018-06-25 14:20:15,219 INFO ]: TraceAbstraction took 74624.43 ms. Allocated memory was 326.1 MB in the beginning and 629.7 MB in the end (delta: 303.6 MB). Free memory was 273.5 MB in the beginning and 281.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 420.6 MB. Max. memory is 3.6 GB. [2018-06-25 14:20:15,221 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 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 102.85 ms. Allocated memory is still 308.8 MB. Free memory was 230.3 MB in the beginning and 226.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 58.72 ms. Allocated memory is still 308.8 MB. Free memory was 226.3 MB in the beginning and 224.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 577.86 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 224.3 MB in the beginning and 273.5 MB in the end (delta: -49.2 MB). Peak memory consumption was 42.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74624.43 ms. Allocated memory was 326.1 MB in the beginning and 629.7 MB in the end (delta: 303.6 MB). Free memory was 273.5 MB in the beginning and 281.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 420.6 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 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 57024 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 74.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 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_14_e7_3162_e8_5719.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_14-20-15-235.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e7_3162_e8_5719.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_14-20-15-235.csv Completed graceful shutdown