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_3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:43:20,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:43:20,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:43:20,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:43:20,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:43:20,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:43:20,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:43:20,658 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:43:20,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:43:20,660 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:43:20,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:43:20,661 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:43:20,662 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:43:20,663 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:43:20,666 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:43:20,666 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:43:20,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:43:20,678 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:43:20,679 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:43:20,680 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:43:20,682 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:43:20,684 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:43:20,684 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:43:20,685 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:43:20,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:43:20,686 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:43:20,687 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:43:20,688 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:43:20,689 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:43:20,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:43:20,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:43:20,690 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:43:20,690 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:43:20,691 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:43:20,691 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:43:20,692 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 16:43:20,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:43:20,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:43:20,705 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:43:20,705 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:43:20,706 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:43:20,706 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:43:20,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:43:20,706 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:43:20,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:43:20,707 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:43:20,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:43:20,707 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:43:20,707 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:43:20,707 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:43:20,708 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:43:20,708 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:43:20,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:43:20,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:43:20,708 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:43:20,710 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:43:20,710 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:43:20,742 INFO ]: Repository-Root is: /tmp [2018-06-22 16:43:20,760 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:43:20,765 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:43:20,767 INFO ]: Initializing SmtParser... [2018-06-22 16:43:20,767 INFO ]: SmtParser initialized [2018-06-22 16:43:20,768 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3.smt2 [2018-06-22 16:43:20,769 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 16:43:20,855 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3.smt2 unknown [2018-06-22 16:43:21,507 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3.smt2 [2018-06-22 16:43:21,512 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:43:21,517 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:43:21,518 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:43:21,518 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:43:21,518 INFO ]: ChcToBoogie initialized [2018-06-22 16:43:21,521 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:21,622 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21 Unit [2018-06-22 16:43:21,622 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:43:21,623 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:43:21,623 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:43:21,623 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:43:21,644 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:21,644 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:21,672 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:21,672 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:21,691 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:21,692 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:21,696 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:21,710 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:43:21,710 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:43:21,710 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:43:21,710 INFO ]: RCFGBuilder initialized [2018-06-22 16:43:21,711 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (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 16:43:21,730 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:43:21,730 INFO ]: Found specification of procedure False [2018-06-22 16:43:21,730 INFO ]: Found implementation of procedure False [2018-06-22 16:43:21,730 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:43:21,730 INFO ]: Found specification of procedure state [2018-06-22 16:43:21,730 INFO ]: Found implementation of procedure state [2018-06-22 16:43:21,730 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:43:21,730 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:43:21,730 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 16:43:22,300 INFO ]: Using library mode [2018-06-22 16:43:22,301 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:43:22 BoogieIcfgContainer [2018-06-22 16:43:22,301 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:43:22,303 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:43:22,303 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:43:22,309 INFO ]: TraceAbstraction initialized [2018-06-22 16:43:22,309 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:43:21" (1/3) ... [2018-06-22 16:43:22,310 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b173bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:43:22, skipping insertion in model container [2018-06-22 16:43:22,310 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:21" (2/3) ... [2018-06-22 16:43:22,310 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b173bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:43:22, skipping insertion in model container [2018-06-22 16:43:22,310 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:43:22" (3/3) ... [2018-06-22 16:43:22,313 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:43:22,323 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:43:22,333 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:43:22,386 INFO ]: Using default assertion order modulation [2018-06-22 16:43:22,386 INFO ]: Interprodecural is true [2018-06-22 16:43:22,386 INFO ]: Hoare is false [2018-06-22 16:43:22,386 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:43:22,386 INFO ]: Backedges is TWOTRACK [2018-06-22 16:43:22,387 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:43:22,387 INFO ]: Difference is false [2018-06-22 16:43:22,387 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:43:22,387 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:43:22,404 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:43:22,418 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:43:22,419 INFO ]: Found error trace [2018-06-22 16:43:22,419 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:43:22,419 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:43:22,425 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:43:22,427 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:43:22,427 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:43:22,474 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:43:22,474 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:43:22,474 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:43:22,575 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:43:22,962 WARN ]: Spent 139.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-06-22 16:43:22,965 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:43:22,967 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:43:22,967 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:43:22,968 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:43:22,978 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:43:22,978 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:43:22,980 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:43:23,153 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:43:23,153 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:43:23,154 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:43:23,156 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:43:23,156 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:43:23,170 INFO ]: With dead ends: 13 [2018-06-22 16:43:23,170 INFO ]: Without dead ends: 13 [2018-06-22 16:43:23,172 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:43:23,189 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:43:23,211 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:43:23,212 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:43:23,212 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:43:23,214 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:43:23,214 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:43:23,214 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:43:23,214 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:43:23,214 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:43:23,215 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:43:23,215 INFO ]: Found error trace [2018-06-22 16:43:23,215 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:43:23,215 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:43:23,216 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:43:23,216 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:43:23,216 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:43:23,216 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:43:23,216 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:43:23,216 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:43:23,458 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:43:28,324 WARN ]: Spent 4.11 s on a formula simplification. DAG size of input: 388 DAG size of output: 217 [2018-06-22 16:43:28,495 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:43:28,495 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:43:28,495 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 16:43:28,513 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:43:28,677 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:43:28,689 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 16:44:33,179 INFO ]: Timeout while computing interpolants [2018-06-22 16:44:33,380 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:44:33,380 WARN ]: Verification canceled [2018-06-22 16:44:33,385 WARN ]: Timeout [2018-06-22 16:44:33,385 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:44:33 BoogieIcfgContainer [2018-06-22 16:44:33,385 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:44:33,386 INFO ]: Toolchain (without parser) took 71873.93 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 231.7 MB in the beginning and 989.5 MB in the end (delta: -757.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:44:33,387 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:44:33,387 INFO ]: ChcToBoogie took 104.46 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 227.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:44:33,388 INFO ]: Boogie Preprocessor took 87.23 ms. Allocated memory is still 308.3 MB. Free memory was 227.7 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:44:33,388 INFO ]: RCFGBuilder took 591.01 ms. Allocated memory was 308.3 MB in the beginning and 325.1 MB in the end (delta: 16.8 MB). Free memory was 225.7 MB in the beginning and 286.7 MB in the end (delta: -61.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:44:33,389 INFO ]: TraceAbstraction took 71082.57 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.7 MB in the beginning and 989.5 MB in the end (delta: -702.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:44:33,397 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 104.46 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 227.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 87.23 ms. Allocated memory is still 308.3 MB. Free memory was 227.7 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 591.01 ms. Allocated memory was 308.3 MB in the beginning and 325.1 MB in the end (delta: 16.8 MB). Free memory was 225.7 MB in the beginning and 286.7 MB in the end (delta: -61.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 71082.57 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.7 MB in the beginning and 989.5 MB in the end (delta: -702.8 MB). 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 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 72 quantified variables from 90 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 71.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 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.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-44-33-417.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_3.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-44-33-417.csv Completed graceful shutdown