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_1_e1_1092.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:32:28,535 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:32:28,537 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:32:28,551 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:32:28,551 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:32:28,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:32:28,554 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:32:28,557 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:32:28,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:32:28,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:32:28,562 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:32:28,562 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:32:28,563 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:32:28,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:32:28,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:32:28,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:32:28,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:32:28,584 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:32:28,585 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:32:28,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:32:28,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:32:28,589 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:32:28,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:32:28,590 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:32:28,590 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:32:28,596 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:32:28,596 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:32:28,597 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:32:28,598 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:32:28,598 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:32:28,599 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:32:28,599 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:32:28,605 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:32:28,606 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:32:28,606 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:32:28,606 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 17:32:28,630 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:32:28,631 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:32:28,631 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:32:28,631 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:32:28,632 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:32:28,633 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:32:28,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:32:28,633 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:32:28,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:32:28,634 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:32:28,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:32:28,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:32:28,634 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:32:28,634 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:32:28,635 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:32:28,635 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:32:28,635 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:32:28,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:32:28,635 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:32:28,637 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:32:28,637 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:32:28,693 INFO ]: Repository-Root is: /tmp [2018-06-22 17:32:28,711 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:32:28,715 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:32:28,717 INFO ]: Initializing SmtParser... [2018-06-22 17:32:28,717 INFO ]: SmtParser initialized [2018-06-22 17:32:28,718 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_1_e1_1092.smt2 [2018-06-22 17:32:28,719 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 17:32:28,814 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_1_e1_1092.smt2 unknown [2018-06-22 17:32:29,532 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_1_e1_1092.smt2 [2018-06-22 17:32:29,544 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:32:29,561 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:32:29,562 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:32:29,562 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:32:29,562 INFO ]: ChcToBoogie initialized [2018-06-22 17:32:29,565 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:32:29" (1/1) ... [2018-06-22 17:32:29,630 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29 Unit [2018-06-22 17:32:29,631 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:32:29,631 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:32:29,631 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:32:29,631 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:32:29,676 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (1/1) ... [2018-06-22 17:32:29,676 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (1/1) ... [2018-06-22 17:32:29,696 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (1/1) ... [2018-06-22 17:32:29,696 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (1/1) ... [2018-06-22 17:32:29,719 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (1/1) ... [2018-06-22 17:32:29,720 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (1/1) ... [2018-06-22 17:32:29,730 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (1/1) ... [2018-06-22 17:32:29,734 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:32:29,734 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:32:29,734 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:32:29,734 INFO ]: RCFGBuilder initialized [2018-06-22 17:32:29,735 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (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 17:32:29,745 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:32:29,745 INFO ]: Found specification of procedure False [2018-06-22 17:32:29,745 INFO ]: Found implementation of procedure False [2018-06-22 17:32:29,745 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:32:29,745 INFO ]: Found specification of procedure state [2018-06-22 17:32:29,745 INFO ]: Found implementation of procedure state [2018-06-22 17:32:29,745 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:32:29,745 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:32:29,745 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 17:32:30,095 INFO ]: Using library mode [2018-06-22 17:32:30,096 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:32:30 BoogieIcfgContainer [2018-06-22 17:32:30,096 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:32:30,097 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:32:30,098 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:32:30,104 INFO ]: TraceAbstraction initialized [2018-06-22 17:32:30,104 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:32:29" (1/3) ... [2018-06-22 17:32:30,105 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e23b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:32:30, skipping insertion in model container [2018-06-22 17:32:30,105 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:32:29" (2/3) ... [2018-06-22 17:32:30,105 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e23b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:32:30, skipping insertion in model container [2018-06-22 17:32:30,105 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:32:30" (3/3) ... [2018-06-22 17:32:30,108 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:32:30,119 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:32:30,130 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:32:30,179 INFO ]: Using default assertion order modulation [2018-06-22 17:32:30,179 INFO ]: Interprodecural is true [2018-06-22 17:32:30,179 INFO ]: Hoare is false [2018-06-22 17:32:30,180 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:32:30,180 INFO ]: Backedges is TWOTRACK [2018-06-22 17:32:30,180 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:32:30,180 INFO ]: Difference is false [2018-06-22 17:32:30,180 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:32:30,180 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:32:30,192 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:32:30,203 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:32:30,203 INFO ]: Found error trace [2018-06-22 17:32:30,204 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:32:30,205 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:32:30,210 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:32:30,212 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:32:30,212 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:32:30,255 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:32:30,255 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:32:30,255 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:32:30,358 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:32:30,583 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:32:30,587 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:32:30,587 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:32:30,589 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:32:30,604 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:32:30,605 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:32:30,607 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:32:30,744 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:32:30,744 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:32:30,745 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:32:30,747 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:32:30,747 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:32:30,801 INFO ]: With dead ends: 13 [2018-06-22 17:32:30,801 INFO ]: Without dead ends: 13 [2018-06-22 17:32:30,812 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 17:32:30,830 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:32:30,868 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:32:30,869 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:32:30,870 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:32:30,871 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:32:30,871 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:32:30,871 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:32:30,871 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:32:30,871 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:32:30,873 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:32:30,873 INFO ]: Found error trace [2018-06-22 17:32:30,873 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:32:30,873 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:32:30,874 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:32:30,874 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:32:30,874 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:32:30,875 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:32:30,875 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:32:30,875 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:32:31,116 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:32:35,875 WARN ]: Spent 4.23 s on a formula simplification. DAG size of input: 311 DAG size of output: 139 [2018-06-22 17:32:35,967 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:32:35,967 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:32:35,967 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 17:32:35,974 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:32:36,079 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:32:36,094 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:33:41,397 INFO ]: Timeout while computing interpolants [2018-06-22 17:33:41,598 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:33:41,598 WARN ]: Verification canceled [2018-06-22 17:33:41,607 WARN ]: Timeout [2018-06-22 17:33:41,607 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:33:41 BoogieIcfgContainer [2018-06-22 17:33:41,607 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:33:41,608 INFO ]: Toolchain (without parser) took 72063.29 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 245.4 MB in the beginning and 388.6 MB in the end (delta: -143.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:33:41,612 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 275.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:33:41,612 INFO ]: ChcToBoogie took 69.12 ms. Allocated memory is still 309.9 MB. Free memory was 245.4 MB in the beginning and 242.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:33:41,628 INFO ]: Boogie Preprocessor took 102.60 ms. Allocated memory is still 309.9 MB. Free memory was 242.4 MB in the beginning and 240.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:33:41,628 INFO ]: RCFGBuilder took 361.67 ms. Allocated memory is still 309.9 MB. Free memory was 240.4 MB in the beginning and 211.8 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 3.6 GB. [2018-06-22 17:33:41,629 INFO ]: TraceAbstraction took 71509.64 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 211.8 MB in the beginning and 388.6 MB in the end (delta: -176.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:33:41,631 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 309.9 MB. Free memory is still 275.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 69.12 ms. Allocated memory is still 309.9 MB. Free memory was 245.4 MB in the beginning and 242.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 102.60 ms. Allocated memory is still 309.9 MB. Free memory was 242.4 MB in the beginning and 240.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 361.67 ms. Allocated memory is still 309.9 MB. Free memory was 240.4 MB in the beginning and 211.8 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 71509.64 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 211.8 MB in the beginning and 388.6 MB in the end (delta: -176.8 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 55 quantified variables from 68 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 71.4s 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, 0.0s 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_1_e1_1092.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-33-41-649.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_1_e1_1092.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-33-41-649.csv Completed graceful shutdown