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_4_e2_2799_e1_1303.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:44:36,668 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:44:36,670 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:44:36,683 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:44:36,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:44:36,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:44:36,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:44:36,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:44:36,689 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:44:36,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:44:36,691 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:44:36,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:44:36,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:44:36,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:44:36,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:44:36,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:44:36,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:44:36,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:44:36,709 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:44:36,711 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:44:36,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:44:36,713 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:44:36,713 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:44:36,714 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:44:36,714 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:44:36,717 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:44:36,718 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:44:36,718 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:44:36,719 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:44:36,719 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:44:36,723 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:44:36,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:44:36,724 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:44:36,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:44:36,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:44:36,726 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 16:44:36,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:44:36,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:44:36,745 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:44:36,746 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:44:36,747 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:44:36,747 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:44:36,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:44:36,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:44:36,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:44:36,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:44:36,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:44:36,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:44:36,748 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:44:36,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:44:36,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:44:36,749 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:44:36,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:44:36,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:44:36,749 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:44:36,751 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:44:36,752 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:44:36,798 INFO ]: Repository-Root is: /tmp [2018-06-22 16:44:36,810 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:44:36,814 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:44:36,815 INFO ]: Initializing SmtParser... [2018-06-22 16:44:36,815 INFO ]: SmtParser initialized [2018-06-22 16:44:36,816 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e1_1303.smt2 [2018-06-22 16:44:36,818 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 16:44:36,909 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e1_1303.smt2 unknown [2018-06-22 16:44:37,472 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e1_1303.smt2 [2018-06-22 16:44:37,477 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:44:37,484 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:44:37,484 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:44:37,484 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:44:37,484 INFO ]: ChcToBoogie initialized [2018-06-22 16:44:37,487 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:44:37" (1/1) ... [2018-06-22 16:44:37,545 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37 Unit [2018-06-22 16:44:37,545 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:44:37,546 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:44:37,546 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:44:37,546 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:44:37,577 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (1/1) ... [2018-06-22 16:44:37,577 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (1/1) ... [2018-06-22 16:44:37,596 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (1/1) ... [2018-06-22 16:44:37,596 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (1/1) ... [2018-06-22 16:44:37,624 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (1/1) ... [2018-06-22 16:44:37,625 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (1/1) ... [2018-06-22 16:44:37,628 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (1/1) ... [2018-06-22 16:44:37,640 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:44:37,641 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:44:37,641 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:44:37,641 INFO ]: RCFGBuilder initialized [2018-06-22 16:44:37,642 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (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 16:44:37,658 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:44:37,659 INFO ]: Found specification of procedure False [2018-06-22 16:44:37,659 INFO ]: Found implementation of procedure False [2018-06-22 16:44:37,659 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:44:37,659 INFO ]: Found specification of procedure state [2018-06-22 16:44:37,659 INFO ]: Found implementation of procedure state [2018-06-22 16:44:37,659 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:44:37,659 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:44:37,659 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 16:44:38,178 INFO ]: Using library mode [2018-06-22 16:44:38,179 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:44:38 BoogieIcfgContainer [2018-06-22 16:44:38,179 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:44:38,180 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:44:38,180 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:44:38,186 INFO ]: TraceAbstraction initialized [2018-06-22 16:44:38,187 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:44:37" (1/3) ... [2018-06-22 16:44:38,188 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6327424c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:44:38, skipping insertion in model container [2018-06-22 16:44:38,188 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:37" (2/3) ... [2018-06-22 16:44:38,188 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6327424c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:44:38, skipping insertion in model container [2018-06-22 16:44:38,188 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:44:38" (3/3) ... [2018-06-22 16:44:38,190 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:44:38,201 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:44:38,211 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:44:38,262 INFO ]: Using default assertion order modulation [2018-06-22 16:44:38,263 INFO ]: Interprodecural is true [2018-06-22 16:44:38,263 INFO ]: Hoare is false [2018-06-22 16:44:38,263 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:44:38,263 INFO ]: Backedges is TWOTRACK [2018-06-22 16:44:38,263 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:44:38,263 INFO ]: Difference is false [2018-06-22 16:44:38,263 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:44:38,263 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:44:38,281 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:44:38,297 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:44:38,297 INFO ]: Found error trace [2018-06-22 16:44:38,298 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:44:38,298 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:44:38,305 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:44:38,307 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:44:38,308 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:44:38,357 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:44:38,357 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:44:38,357 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:44:38,502 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:44:38,789 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:44:38,791 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:44:38,791 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:44:38,792 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:44:38,802 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:44:38,803 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:44:38,806 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:44:38,970 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:44:38,970 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:44:38,971 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:44:38,973 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:44:38,973 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:44:38,987 INFO ]: With dead ends: 13 [2018-06-22 16:44:38,987 INFO ]: Without dead ends: 13 [2018-06-22 16:44:38,991 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:44:39,009 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:44:39,049 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:44:39,050 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:44:39,051 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:44:39,053 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:44:39,053 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:44:39,053 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:44:39,053 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:44:39,053 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:44:39,055 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:44:39,055 INFO ]: Found error trace [2018-06-22 16:44:39,055 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:44:39,055 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:44:39,055 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:44:39,055 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:44:39,055 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:44:39,057 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:44:39,057 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:44:39,057 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:44:39,171 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:44:40,444 WARN ]: Spent 962.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 54 [2018-06-22 16:44:40,535 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:44:40,535 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:44:40,535 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 16:44:40,547 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:44:40,705 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:44:40,719 INFO ]: Computing forward predicates... [2018-06-22 16:44:42,933 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:44:43,522 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:44:43,736 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:44:44,016 WARN ]: expecting exponential blowup for input size 9 Received shutdown request... [2018-06-22 16:45:25,862 INFO ]: Timeout while computing interpolants [2018-06-22 16:45:26,063 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:45:26,063 WARN ]: Verification canceled [2018-06-22 16:45:26,068 WARN ]: Timeout [2018-06-22 16:45:26,068 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:45:26 BoogieIcfgContainer [2018-06-22 16:45:26,068 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:45:26,069 INFO ]: Toolchain (without parser) took 48591.92 ms. Allocated memory was 309.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 230.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:45:26,070 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:45:26,070 INFO ]: ChcToBoogie took 61.17 ms. Allocated memory is still 309.3 MB. Free memory was 230.8 MB in the beginning and 227.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:45:26,071 INFO ]: Boogie Preprocessor took 95.01 ms. Allocated memory is still 309.3 MB. Free memory was 227.8 MB in the beginning and 225.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:45:26,072 INFO ]: RCFGBuilder took 538.12 ms. Allocated memory was 309.3 MB in the beginning and 329.3 MB in the end (delta: 19.9 MB). Free memory was 225.8 MB in the beginning and 291.6 MB in the end (delta: -65.8 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:45:26,072 INFO ]: TraceAbstraction took 47887.84 ms. Allocated memory was 329.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 291.6 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:45:26,075 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.17 ms. Allocated memory is still 309.3 MB. Free memory was 230.8 MB in the beginning and 227.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 95.01 ms. Allocated memory is still 309.3 MB. Free memory was 227.8 MB in the beginning and 225.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 538.12 ms. Allocated memory was 309.3 MB in the beginning and 329.3 MB in the end (delta: 19.9 MB). Free memory was 225.8 MB in the beginning and 291.6 MB in the end (delta: -65.8 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 47887.84 ms. Allocated memory was 329.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 291.6 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 9 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 47.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e2_2799_e1_1303.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-45-26-086.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e2_2799_e1_1303.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-45-26-086.csv Completed graceful shutdown