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/rtp_9.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:51:18,589 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:51:18,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:51:18,603 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:51:18,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:51:18,604 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:51:18,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:51:18,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:51:18,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:51:18,611 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:51:18,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:51:18,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:51:18,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:51:18,616 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:51:18,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:51:18,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:51:18,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:51:18,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:51:18,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:51:18,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:51:18,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:51:18,626 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:51:18,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:51:18,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:51:18,627 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:51:18,628 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:51:18,629 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:51:18,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:51:18,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:51:18,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:51:18,631 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:51:18,632 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:51:18,632 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:51:18,633 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:51:18,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:51:18,634 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 19:51:18,655 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:51:18,656 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:51:18,656 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:51:18,656 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:51:18,657 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:51:18,657 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:51:18,657 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:51:18,662 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:51:18,662 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:51:18,662 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:51:18,662 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:51:18,662 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:51:18,663 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:51:18,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:51:18,663 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:51:18,663 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:51:18,663 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:51:18,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:51:18,664 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:51:18,666 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:51:18,666 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:51:18,716 INFO ]: Repository-Root is: /tmp [2018-06-22 19:51:18,731 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:51:18,734 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:51:18,735 INFO ]: Initializing SmtParser... [2018-06-22 19:51:18,736 INFO ]: SmtParser initialized [2018-06-22 19:51:18,736 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_9.smt2 [2018-06-22 19:51:18,737 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 19:51:18,827 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_9.smt2 unknown [2018-06-22 19:51:19,382 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_9.smt2 [2018-06-22 19:51:19,386 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:51:19,393 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:51:19,393 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:51:19,393 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:51:19,393 INFO ]: ChcToBoogie initialized [2018-06-22 19:51:19,396 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:51:19" (1/1) ... [2018-06-22 19:51:19,454 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19 Unit [2018-06-22 19:51:19,454 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:51:19,455 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:51:19,455 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:51:19,455 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:51:19,481 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (1/1) ... [2018-06-22 19:51:19,481 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (1/1) ... [2018-06-22 19:51:19,506 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (1/1) ... [2018-06-22 19:51:19,506 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (1/1) ... [2018-06-22 19:51:19,519 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (1/1) ... [2018-06-22 19:51:19,521 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (1/1) ... [2018-06-22 19:51:19,532 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (1/1) ... [2018-06-22 19:51:19,545 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:51:19,546 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:51:19,546 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:51:19,546 INFO ]: RCFGBuilder initialized [2018-06-22 19:51:19,547 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (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 19:51:19,564 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:51:19,564 INFO ]: Found specification of procedure False [2018-06-22 19:51:19,564 INFO ]: Found implementation of procedure False [2018-06-22 19:51:19,564 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:51:19,564 INFO ]: Found specification of procedure state [2018-06-22 19:51:19,564 INFO ]: Found implementation of procedure state [2018-06-22 19:51:19,564 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:51:19,564 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:51:19,564 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 19:51:20,051 INFO ]: Using library mode [2018-06-22 19:51:20,052 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:51:20 BoogieIcfgContainer [2018-06-22 19:51:20,052 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:51:20,071 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:51:20,071 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:51:20,077 INFO ]: TraceAbstraction initialized [2018-06-22 19:51:20,077 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:51:19" (1/3) ... [2018-06-22 19:51:20,078 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84fe022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:51:20, skipping insertion in model container [2018-06-22 19:51:20,079 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:51:19" (2/3) ... [2018-06-22 19:51:20,079 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84fe022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:51:20, skipping insertion in model container [2018-06-22 19:51:20,079 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:51:20" (3/3) ... [2018-06-22 19:51:20,081 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:51:20,091 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:51:20,101 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:51:20,153 INFO ]: Using default assertion order modulation [2018-06-22 19:51:20,154 INFO ]: Interprodecural is true [2018-06-22 19:51:20,154 INFO ]: Hoare is false [2018-06-22 19:51:20,154 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:51:20,154 INFO ]: Backedges is TWOTRACK [2018-06-22 19:51:20,154 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:51:20,154 INFO ]: Difference is false [2018-06-22 19:51:20,154 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:51:20,154 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:51:20,173 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:51:20,185 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:51:20,186 INFO ]: Found error trace [2018-06-22 19:51:20,186 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:51:20,186 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:51:20,190 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 19:51:20,191 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:51:20,191 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:51:20,223 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:51:20,223 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:51:20,223 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:51:20,352 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:51:20,576 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:51:20,578 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:51:20,579 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:51:20,580 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:51:20,597 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:51:20,597 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:51:20,600 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:51:20,747 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:51:20,747 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:51:20,749 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:51:20,750 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:51:20,750 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:51:20,764 INFO ]: With dead ends: 13 [2018-06-22 19:51:20,764 INFO ]: Without dead ends: 13 [2018-06-22 19:51:20,768 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:51:20,787 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:51:20,826 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:51:20,827 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:51:20,828 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:51:20,829 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:51:20,829 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:51:20,829 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:51:20,829 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:51:20,829 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:51:20,831 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:51:20,831 INFO ]: Found error trace [2018-06-22 19:51:20,831 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:51:20,832 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:51:20,832 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 19:51:20,832 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:51:20,832 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:51:20,833 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:51:20,833 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:51:20,833 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:51:20,976 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:51:21,429 WARN ]: Spent 256.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-06-22 19:51:21,508 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:51:21,508 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:51:21,508 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 19:51:21,516 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:51:21,680 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:51:21,692 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 19:52:30,830 INFO ]: Timeout while computing interpolants [2018-06-22 19:52:31,031 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:52:31,031 WARN ]: Verification canceled [2018-06-22 19:52:31,046 WARN ]: Timeout [2018-06-22 19:52:31,047 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:52:31 BoogieIcfgContainer [2018-06-22 19:52:31,047 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:52:31,047 INFO ]: Toolchain (without parser) took 71660.94 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 235.8 MB in the beginning and 728.9 MB in the end (delta: -493.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:52:31,050 INFO ]: SmtParser took 0.06 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 19:52:31,050 INFO ]: ChcToBoogie took 61.37 ms. Allocated memory is still 309.3 MB. Free memory was 235.8 MB in the beginning and 232.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:52:31,050 INFO ]: Boogie Preprocessor took 89.94 ms. Allocated memory is still 309.3 MB. Free memory was 232.8 MB in the beginning and 230.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:52:31,051 INFO ]: RCFGBuilder took 506.75 ms. Allocated memory is still 309.3 MB. Free memory was 230.7 MB in the beginning and 191.7 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:52:31,051 INFO ]: TraceAbstraction took 70975.86 ms. Allocated memory was 327.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 299.0 MB in the beginning and 728.9 MB in the end (delta: -430.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 19:52:31,053 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.37 ms. Allocated memory is still 309.3 MB. Free memory was 235.8 MB in the beginning and 232.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 89.94 ms. Allocated memory is still 309.3 MB. Free memory was 232.8 MB in the beginning and 230.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 506.75 ms. Allocated memory is still 309.3 MB. Free memory was 230.7 MB in the beginning and 191.7 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70975.86 ms. Allocated memory was 327.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 299.0 MB in the beginning and 728.9 MB in the end (delta: -430.0 MB). Peak memory consumption was 1.4 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 22 quantified variables from 26 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.8s 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, 0.0s 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/rtp_9.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-52-31-068.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rtp_9.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-52-31-068.csv Completed graceful shutdown