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_12_e2_1618_e2_138.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 06:34:46,476 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 06:34:46,478 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 06:34:46,490 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 06:34:46,490 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 06:34:46,491 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 06:34:46,492 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 06:34:46,498 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 06:34:46,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 06:34:46,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 06:34:46,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 06:34:46,502 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 06:34:46,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 06:34:46,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 06:34:46,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 06:34:46,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 06:34:46,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 06:34:46,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 06:34:46,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 06:34:46,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 06:34:46,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 06:34:46,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 06:34:46,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 06:34:46,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 06:34:46,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 06:34:46,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 06:34:46,536 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 06:34:46,537 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 06:34:46,538 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 06:34:46,538 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 06:34:46,539 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 06:34:46,545 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 06:34:46,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 06:34:46,546 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 06:34:46,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 06:34:46,546 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 06:34:46,568 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 06:34:46,568 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 06:34:46,569 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 06:34:46,569 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 06:34:46,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 06:34:46,570 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 06:34:46,570 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 06:34:46,571 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 06:34:46,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 06:34:46,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 06:34:46,571 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 06:34:46,571 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 06:34:46,571 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 06:34:46,572 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 06:34:46,572 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 06:34:46,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 06:34:46,572 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 06:34:46,575 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 06:34:46,575 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 06:34:46,626 INFO ]: Repository-Root is: /tmp [2018-06-22 06:34:46,647 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 06:34:46,658 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 06:34:46,660 INFO ]: Initializing SmtParser... [2018-06-22 06:34:46,660 INFO ]: SmtParser initialized [2018-06-22 06:34:46,661 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-22 06:34:46,663 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 06:34:46,771 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 unknown [2018-06-22 06:34:47,482 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-22 06:34:47,497 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 06:34:47,503 INFO ]: Walking toolchain with 4 elements. [2018-06-22 06:34:47,504 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 06:34:47,504 INFO ]: Initializing ChcToBoogie... [2018-06-22 06:34:47,504 INFO ]: ChcToBoogie initialized [2018-06-22 06:34:47,508 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:34:47" (1/1) ... [2018-06-22 06:34:47,610 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47 Unit [2018-06-22 06:34:47,610 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 06:34:47,611 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 06:34:47,611 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 06:34:47,611 INFO ]: Boogie Preprocessor initialized [2018-06-22 06:34:47,635 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (1/1) ... [2018-06-22 06:34:47,635 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (1/1) ... [2018-06-22 06:34:47,663 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (1/1) ... [2018-06-22 06:34:47,663 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (1/1) ... [2018-06-22 06:34:47,682 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (1/1) ... [2018-06-22 06:34:47,684 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (1/1) ... [2018-06-22 06:34:47,689 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (1/1) ... [2018-06-22 06:34:47,695 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 06:34:47,704 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 06:34:47,704 INFO ]: Initializing RCFGBuilder... [2018-06-22 06:34:47,704 INFO ]: RCFGBuilder initialized [2018-06-22 06:34:47,705 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (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 06:34:47,734 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 06:34:47,734 INFO ]: Found specification of procedure gotoProc [2018-06-22 06:34:47,734 INFO ]: Found implementation of procedure gotoProc [2018-06-22 06:34:47,734 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 06:34:47,734 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 06:34:47,734 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 06:34:48,401 INFO ]: Using library mode [2018-06-22 06:34:48,401 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:34:48 BoogieIcfgContainer [2018-06-22 06:34:48,401 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 06:34:48,406 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 06:34:48,406 INFO ]: Initializing TraceAbstraction... [2018-06-22 06:34:48,412 INFO ]: TraceAbstraction initialized [2018-06-22 06:34:48,412 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:34:47" (1/3) ... [2018-06-22 06:34:48,413 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105dc16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:34:48, skipping insertion in model container [2018-06-22 06:34:48,413 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:47" (2/3) ... [2018-06-22 06:34:48,413 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105dc16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:34:48, skipping insertion in model container [2018-06-22 06:34:48,413 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:34:48" (3/3) ... [2018-06-22 06:34:48,416 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 06:34:48,426 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 06:34:48,438 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 06:34:48,501 INFO ]: Using default assertion order modulation [2018-06-22 06:34:48,501 INFO ]: Interprodecural is true [2018-06-22 06:34:48,501 INFO ]: Hoare is false [2018-06-22 06:34:48,501 INFO ]: Compute interpolants for FPandBP [2018-06-22 06:34:48,501 INFO ]: Backedges is TWOTRACK [2018-06-22 06:34:48,501 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 06:34:48,501 INFO ]: Difference is false [2018-06-22 06:34:48,501 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 06:34:48,502 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 06:34:48,519 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 06:34:48,539 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 06:34:48,539 INFO ]: Found error trace [2018-06-22 06:34:48,540 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:34:48,541 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:34:48,547 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 06:34:48,549 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:34:48,550 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:34:48,602 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:34:48,602 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:34:48,602 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:34:48,770 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:34:49,041 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:34:49,043 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 06:34:49,044 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 06:34:49,046 INFO ]: Interpolant automaton has 3 states [2018-06-22 06:34:49,063 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 06:34:49,063 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 06:34:49,066 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 06:34:49,177 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 06:34:49,177 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 06:34:49,178 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 06:34:49,179 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 06:34:49,180 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 06:34:49,194 INFO ]: With dead ends: 9 [2018-06-22 06:34:49,194 INFO ]: Without dead ends: 9 [2018-06-22 06:34:49,196 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 [2018-06-22 06:34:49,217 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 06:34:49,247 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 06:34:49,249 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 06:34:49,250 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 06:34:49,251 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 06:34:49,251 INFO ]: Finished accepts. word is rejected. [2018-06-22 06:34:49,251 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 06:34:49,251 INFO ]: Interpolant automaton has 3 states. [2018-06-22 06:34:49,251 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 06:34:49,252 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 06:34:49,252 INFO ]: Found error trace [2018-06-22 06:34:49,252 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 06:34:49,253 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 06:34:49,253 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 06:34:49,253 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 06:34:49,253 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 06:34:49,254 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:34:49,254 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:34:49,254 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 06:34:49,413 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:34:50,105 WARN ]: Spent 307.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2018-06-22 06:34:50,107 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 06:34:50,107 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 06:34:50,107 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 06:34:50,116 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 06:34:50,383 INFO ]: Conjunction of SSA is unsat [2018-06-22 06:34:50,402 INFO ]: Computing forward predicates... [2018-06-22 06:34:53,207 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:53,340 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 06:34:53,696 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 06:34:54,372 WARN ]: Simplifying disjunction of 15552 conjuctions. This might take some time... [2018-06-22 06:36:04,803 INFO ]: Simplified to disjunction of 15552 conjuctions. [2018-06-22 06:36:05,051 WARN ]: expecting exponential blowup for input size 13 Received shutdown request... [2018-06-22 06:36:05,055 INFO ]: Timeout while computing interpolants [2018-06-22 06:36:05,256 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 06:36:05,256 WARN ]: Verification canceled [2018-06-22 06:36:05,260 WARN ]: Timeout [2018-06-22 06:36:05,260 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:36:05 BoogieIcfgContainer [2018-06-22 06:36:05,260 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 06:36:05,261 INFO ]: Toolchain (without parser) took 77763.65 ms. Allocated memory was 308.8 MB in the beginning and 483.9 MB in the end (delta: 175.1 MB). Free memory was 229.3 MB in the beginning and 357.5 MB in the end (delta: -128.2 MB). Peak memory consumption was 241.1 MB. Max. memory is 3.6 GB. [2018-06-22 06:36:05,262 INFO ]: SmtParser took 0.11 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 06:36:05,262 INFO ]: ChcToBoogie took 106.97 ms. Allocated memory is still 308.8 MB. Free memory was 229.3 MB in the beginning and 225.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:36:05,262 INFO ]: Boogie Preprocessor took 84.41 ms. Allocated memory is still 308.8 MB. Free memory was 225.3 MB in the beginning and 223.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 06:36:05,263 INFO ]: RCFGBuilder took 697.29 ms. Allocated memory was 308.8 MB in the beginning and 330.8 MB in the end (delta: 22.0 MB). Free memory was 223.3 MB in the beginning and 277.9 MB in the end (delta: -54.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 3.6 GB. [2018-06-22 06:36:05,263 INFO ]: TraceAbstraction took 76854.40 ms. Allocated memory was 330.8 MB in the beginning and 483.9 MB in the end (delta: 153.1 MB). Free memory was 277.9 MB in the beginning and 357.5 MB in the end (delta: -79.6 MB). Peak memory consumption was 267.6 MB. Max. memory is 3.6 GB. [2018-06-22 06:36:05,272 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.11 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 106.97 ms. Allocated memory is still 308.8 MB. Free memory was 229.3 MB in the beginning and 225.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 84.41 ms. Allocated memory is still 308.8 MB. Free memory was 225.3 MB in the beginning and 223.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 697.29 ms. Allocated memory was 308.8 MB in the beginning and 330.8 MB in the end (delta: 22.0 MB). Free memory was 223.3 MB in the beginning and 277.9 MB in the end (delta: -54.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 76854.40 ms. Allocated memory was 330.8 MB in the beginning and 483.9 MB in the end (delta: 153.1 MB). Free memory was 277.9 MB in the beginning and 357.5 MB in the end (delta: -79.6 MB). Peak memory consumption was 267.6 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 transforming 13 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 76.7s 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, 42 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_12_e2_1618_e2_138.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_06-36-05-285.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12_e2_1618_e2_138.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_06-36-05-285.csv Completed graceful shutdown