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/FIREFLY_8_e2_1711_e2_2673.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:53:33,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:53:33,563 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:53:33,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:53:33,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:53:33,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:53:33,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:53:33,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:53:33,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:53:33,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:53:33,590 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:53:33,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:53:33,591 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:53:33,592 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:53:33,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:53:33,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:53:33,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:53:33,613 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:53:33,614 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:53:33,615 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:53:33,616 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:53:33,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:53:33,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:53:33,624 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:53:33,625 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:53:33,626 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:53:33,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:53:33,627 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:53:33,629 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:53:33,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:53:33,634 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:53:33,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:53:33,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:53:33,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:53:33,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:53:33,637 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 17:53:33,657 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:53:33,657 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:53:33,658 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:53:33,658 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:53:33,659 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:53:33,660 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:53:33,660 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:53:33,660 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:53:33,660 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:53:33,661 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:53:33,661 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:53:33,661 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:53:33,661 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:53:33,661 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:53:33,662 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:53:33,662 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:53:33,662 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:53:33,662 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:53:33,662 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:53:33,664 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:53:33,665 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:53:33,715 INFO ]: Repository-Root is: /tmp [2018-06-22 17:53:33,730 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:53:33,733 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:53:33,734 INFO ]: Initializing SmtParser... [2018-06-22 17:53:33,735 INFO ]: SmtParser initialized [2018-06-22 17:53:33,735 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8_e2_1711_e2_2673.smt2 [2018-06-22 17:53:33,737 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 17:53:33,830 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8_e2_1711_e2_2673.smt2 unknown [2018-06-22 17:53:34,483 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8_e2_1711_e2_2673.smt2 [2018-06-22 17:53:34,488 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:53:34,494 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:53:34,494 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:53:34,494 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:53:34,494 INFO ]: ChcToBoogie initialized [2018-06-22 17:53:34,498 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:53:34" (1/1) ... [2018-06-22 17:53:34,551 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34 Unit [2018-06-22 17:53:34,551 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:53:34,552 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:53:34,552 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:53:34,552 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:53:34,573 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (1/1) ... [2018-06-22 17:53:34,573 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (1/1) ... [2018-06-22 17:53:34,587 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (1/1) ... [2018-06-22 17:53:34,587 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (1/1) ... [2018-06-22 17:53:34,596 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (1/1) ... [2018-06-22 17:53:34,597 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (1/1) ... [2018-06-22 17:53:34,600 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (1/1) ... [2018-06-22 17:53:34,604 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:53:34,605 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:53:34,605 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:53:34,605 INFO ]: RCFGBuilder initialized [2018-06-22 17:53:34,606 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (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 17:53:34,615 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:53:34,615 INFO ]: Found specification of procedure False [2018-06-22 17:53:34,615 INFO ]: Found implementation of procedure False [2018-06-22 17:53:34,615 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:53:34,615 INFO ]: Found specification of procedure state [2018-06-22 17:53:34,615 INFO ]: Found implementation of procedure state [2018-06-22 17:53:34,615 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:53:34,616 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:53:34,616 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 17:53:35,052 INFO ]: Using library mode [2018-06-22 17:53:35,053 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:53:35 BoogieIcfgContainer [2018-06-22 17:53:35,053 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:53:35,055 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:53:35,055 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:53:35,060 INFO ]: TraceAbstraction initialized [2018-06-22 17:53:35,060 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:53:34" (1/3) ... [2018-06-22 17:53:35,061 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ad0605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:53:35, skipping insertion in model container [2018-06-22 17:53:35,061 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:53:34" (2/3) ... [2018-06-22 17:53:35,062 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ad0605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:53:35, skipping insertion in model container [2018-06-22 17:53:35,062 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:53:35" (3/3) ... [2018-06-22 17:53:35,063 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:53:35,074 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:53:35,084 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:53:35,138 INFO ]: Using default assertion order modulation [2018-06-22 17:53:35,138 INFO ]: Interprodecural is true [2018-06-22 17:53:35,139 INFO ]: Hoare is false [2018-06-22 17:53:35,139 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:53:35,139 INFO ]: Backedges is TWOTRACK [2018-06-22 17:53:35,139 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:53:35,139 INFO ]: Difference is false [2018-06-22 17:53:35,139 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:53:35,139 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:53:35,158 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:53:35,173 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:53:35,173 INFO ]: Found error trace [2018-06-22 17:53:35,174 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:53:35,175 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:53:35,181 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:53:35,183 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:53:35,183 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:53:35,222 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:53:35,223 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:53:35,223 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:53:35,329 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:53:35,585 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:53:35,587 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:53:35,587 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:53:35,589 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:53:35,600 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:53:35,600 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:53:35,602 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:53:35,799 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:53:35,799 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:53:35,799 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:53:35,801 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:53:35,801 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:53:35,826 INFO ]: With dead ends: 13 [2018-06-22 17:53:35,826 INFO ]: Without dead ends: 13 [2018-06-22 17:53:35,827 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 17:53:35,864 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:53:35,911 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:53:35,912 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:53:35,913 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:53:35,914 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:53:35,914 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:53:35,914 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:53:35,914 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:53:35,914 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:53:35,915 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:53:35,915 INFO ]: Found error trace [2018-06-22 17:53:35,915 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:53:35,915 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:53:35,915 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:53:35,915 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:53:35,915 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:53:35,916 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:53:35,916 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:53:35,916 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:53:36,037 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:53:37,220 WARN ]: Spent 868.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2018-06-22 17:53:37,314 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:53:37,314 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:53:37,314 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 17:53:37,323 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:53:37,455 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:53:37,470 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:54:45,215 INFO ]: Timeout while computing interpolants [2018-06-22 17:54:45,416 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:54:45,416 WARN ]: Verification canceled [2018-06-22 17:54:45,421 WARN ]: Timeout [2018-06-22 17:54:45,421 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:54:45 BoogieIcfgContainer [2018-06-22 17:54:45,421 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:54:45,422 INFO ]: Toolchain (without parser) took 70933.37 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 244.3 MB in the beginning and 1.1 GB in the end (delta: -889.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:54:45,423 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:54:45,423 INFO ]: ChcToBoogie took 56.91 ms. Allocated memory is still 308.8 MB. Free memory was 244.3 MB in the beginning and 241.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:54:45,423 INFO ]: Boogie Preprocessor took 52.71 ms. Allocated memory is still 308.8 MB. Free memory was 241.3 MB in the beginning and 239.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:54:45,431 INFO ]: RCFGBuilder took 448.08 ms. Allocated memory is still 308.8 MB. Free memory was 239.3 MB in the beginning and 211.3 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:54:45,432 INFO ]: TraceAbstraction took 70366.44 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 211.3 MB in the beginning and 1.1 GB in the end (delta: -922.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:54:45,434 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 56.91 ms. Allocated memory is still 308.8 MB. Free memory was 244.3 MB in the beginning and 241.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 52.71 ms. Allocated memory is still 308.8 MB. Free memory was 241.3 MB in the beginning and 239.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 448.08 ms. Allocated memory is still 308.8 MB. Free memory was 239.3 MB in the beginning and 211.3 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70366.44 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 211.3 MB in the beginning and 1.1 GB in the end (delta: -922.3 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 24 quantified variables from 29 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.2s 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, 0.1s 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, 0.0s 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/FIREFLY_8_e2_1711_e2_2673.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-54-45-450.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_8_e2_1711_e2_2673.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-54-45-450.csv Completed graceful shutdown