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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e2_5343_e1_988.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 06:50:10,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 06:50:10,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 06:50:10,512 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 06:50:10,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 06:50:10,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 06:50:10,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 06:50:10,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 06:50:10,522 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 06:50:10,523 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 06:50:10,525 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 06:50:10,525 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 06:50:10,526 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 06:50:10,527 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 06:50:10,531 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 06:50:10,532 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 06:50:10,533 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 06:50:10,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 06:50:10,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 06:50:10,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 06:50:10,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 06:50:10,551 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 06:50:10,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 06:50:10,552 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 06:50:10,553 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 06:50:10,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 06:50:10,554 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 06:50:10,555 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 06:50:10,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 06:50:10,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 06:50:10,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 06:50:10,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 06:50:10,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 06:50:10,564 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 06:50:10,565 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 06:50:10,565 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 06:50:10,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 06:50:10,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 06:50:10,592 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 06:50:10,593 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 06:50:10,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 06:50:10,595 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 06:50:10,596 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 06:50:10,596 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 06:50:10,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 06:50:10,596 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 06:50:10,596 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 06:50:10,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 06:50:10,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 06:50:10,597 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 06:50:10,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 06:50:10,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 06:50:10,597 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 06:50:10,603 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 06:50:10,603 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 06:50:10,666 INFO ]: Repository-Root is: /tmp [2018-06-22 06:50:10,684 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 06:50:10,691 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 06:50:10,692 INFO ]: Initializing SmtParser... [2018-06-22 06:50:10,693 INFO ]: SmtParser initialized [2018-06-22 06:50:10,693 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e2_5343_e1_988.smt2 [2018-06-22 06:50:10,695 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 06:50:10,794 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e2_5343_e1_988.smt2 unknown [2018-06-22 06:50:11,499 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e2_5343_e1_988.smt2 [2018-06-22 06:50:11,504 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 06:50:11,510 INFO ]: Walking toolchain with 4 elements. [2018-06-22 06:50:11,511 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 06:50:11,511 INFO ]: Initializing ChcToBoogie... [2018-06-22 06:50:11,511 INFO ]: ChcToBoogie initialized [2018-06-22 06:50:11,524 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:50:11" (1/1) ... [2018-06-22 06:50:11,653 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11 Unit [2018-06-22 06:50:11,654 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 06:50:11,654 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 06:50:11,654 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 06:50:11,654 INFO ]: Boogie Preprocessor initialized [2018-06-22 06:50:11,672 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (1/1) ... [2018-06-22 06:50:11,672 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (1/1) ... [2018-06-22 06:50:11,689 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (1/1) ... [2018-06-22 06:50:11,689 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (1/1) ... [2018-06-22 06:50:11,702 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (1/1) ... [2018-06-22 06:50:11,704 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (1/1) ... [2018-06-22 06:50:11,713 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (1/1) ... [2018-06-22 06:50:11,726 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 06:50:11,727 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 06:50:11,727 INFO ]: Initializing RCFGBuilder... [2018-06-22 06:50:11,727 INFO ]: RCFGBuilder initialized [2018-06-22 06:50:11,740 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (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) [2018-06-22 06:50:11,754 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 06:50:11,754 INFO ]: Found specification of procedure gotoProc [2018-06-22 06:50:11,754 INFO ]: Found implementation of procedure gotoProc [2018-06-22 06:50:11,754 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 06:50:11,754 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 06:50:11,754 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 [2018-06-22 06:50:12,418 INFO ]: Using library mode [2018-06-22 06:50:12,420 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:50:12 BoogieIcfgContainer [2018-06-22 06:50:12,420 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 06:50:12,421 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 06:50:12,421 INFO ]: Initializing TraceAbstraction... [2018-06-22 06:50:12,425 INFO ]: TraceAbstraction initialized [2018-06-22 06:50:12,425 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:50:11" (1/3) ... [2018-06-22 06:50:12,427 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d919e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:50:12, skipping insertion in model container [2018-06-22 06:50:12,427 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:50:11" (2/3) ... [2018-06-22 06:50:12,427 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d919e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:50:12, skipping insertion in model container [2018-06-22 06:50:12,427 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:50:12" (3/3) ... [2018-06-22 06:50:12,430 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 06:50:12,441 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 06:50:12,453 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 06:50:12,512 INFO ]: Using default assertion order modulation [2018-06-22 06:50:12,513 INFO ]: Interprodecural is true [2018-06-22 06:50:12,513 INFO ]: Hoare is false [2018-06-22 06:50:12,513 INFO ]: Compute interpolants for FPandBP [2018-06-22 06:50:12,513 INFO ]: Backedges is TWOTRACK [2018-06-22 06:50:12,513 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 06:50:12,513 INFO ]: Difference is false [2018-06-22 06:50:12,513 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 06:50:12,513 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 06:50:12,533 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 06:50:12,550 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 06:50:12,550 INFO ]: Found error trace [2018-06-22 06:50:12,554 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:50:12,554 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:50:12,560 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 06:50:12,562 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:50:12,563 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:50:12,613 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:50:12,614 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:50:12,614 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:50:12,815 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:50:13,413 WARN ]: Spent 371.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-06-22 06:50:13,416 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:50:13,418 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 06:50:13,419 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 06:50:13,421 INFO ]: Interpolant automaton has 3 states [2018-06-22 06:50:13,434 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 06:50:13,434 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 06:50:13,436 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 06:50:13,535 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:50:13,535 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 06:50:13,536 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 06:50:13,537 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 06:50:13,538 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:50:13,550 INFO ]: With dead ends: 9 [2018-06-22 06:50:13,550 INFO ]: Without dead ends: 9 [2018-06-22 06:50:13,552 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 06:50:13,571 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 06:50:13,603 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 06:50:13,604 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 06:50:13,605 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 06:50:13,606 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 06:50:13,606 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:50:13,606 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 06:50:13,606 INFO ]: Interpolant automaton has 3 states. [2018-06-22 06:50:13,606 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 06:50:13,606 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 06:50:13,606 INFO ]: Found error trace [2018-06-22 06:50:13,606 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:50:13,606 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:50:13,607 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 06:50:13,607 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:50:13,607 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:50:13,609 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:50:13,609 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:50:13,609 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:50:13,888 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:50:14,572 WARN ]: Spent 385.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 4 [2018-06-22 06:50:14,837 WARN ]: Spent 239.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2018-06-22 06:50:14,840 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:50:14,840 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:50:14,840 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 06:50:14,849 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:50:15,076 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:50:15,104 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 06:51:20,803 INFO ]: Timeout while computing interpolants [2018-06-22 06:51:21,004 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 06:51:21,004 WARN ]: Verification canceled [2018-06-22 06:51:21,009 WARN ]: Timeout [2018-06-22 06:51:21,010 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:51:21 BoogieIcfgContainer [2018-06-22 06:51:21,010 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 06:51:21,011 INFO ]: Toolchain (without parser) took 69506.41 ms. Allocated memory was 306.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 226.7 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 06:51:21,013 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 306.2 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 06:51:21,013 INFO ]: ChcToBoogie took 142.81 ms. Allocated memory is still 306.2 MB. Free memory was 226.7 MB in the beginning and 222.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:51:21,014 INFO ]: Boogie Preprocessor took 72.18 ms. Allocated memory is still 306.2 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. [2018-06-22 06:51:21,014 INFO ]: RCFGBuilder took 692.73 ms. Allocated memory was 306.2 MB in the beginning and 328.7 MB in the end (delta: 22.5 MB). Free memory was 220.7 MB in the beginning and 273.8 MB in the end (delta: -53.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. [2018-06-22 06:51:21,015 INFO ]: TraceAbstraction took 68588.79 ms. Allocated memory was 328.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 273.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 06:51:21,018 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 306.2 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 142.81 ms. Allocated memory is still 306.2 MB. Free memory was 226.7 MB in the beginning and 222.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.18 ms. Allocated memory is still 306.2 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 692.73 ms. Allocated memory was 306.2 MB in the beginning and 328.7 MB in the end (delta: 22.5 MB). Free memory was 220.7 MB in the beginning and 273.8 MB in the end (delta: -53.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68588.79 ms. Allocated memory was 328.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 273.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 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 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 74 quantified variables from 91 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 68.5s 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, 0.4s 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, 0.5s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 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_3_e2_5343_e1_988.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_06-51-21-028.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_3_e2_5343_e1_988.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_06-51-21-028.csv Completed graceful shutdown