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_10.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:28:34,464 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:28:34,467 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:28:34,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:28:34,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:28:34,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:28:34,482 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:28:34,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:28:34,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:28:34,487 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:28:34,488 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:28:34,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:28:34,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:28:34,492 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:28:34,493 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:28:34,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:28:34,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:28:34,508 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:28:34,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:28:34,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:28:34,515 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:28:34,520 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:28:34,520 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:28:34,520 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:28:34,521 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:28:34,522 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:28:34,523 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:28:34,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:28:34,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:28:34,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:28:34,527 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:28:34,527 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:28:34,528 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:28:34,531 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:28:34,532 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:28:34,532 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 17:28:34,555 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:28:34,556 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:28:34,556 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:28:34,556 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:28:34,557 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:28:34,557 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:28:34,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:28:34,562 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:28:34,562 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:28:34,562 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:28:34,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:28:34,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:28:34,563 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:28:34,563 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:28:34,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:28:34,564 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:28:34,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:28:34,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:28:34,564 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:28:34,566 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:28:34,567 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:28:34,628 INFO ]: Repository-Root is: /tmp [2018-06-22 17:28:34,646 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:28:34,652 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:28:34,656 INFO ]: Initializing SmtParser... [2018-06-22 17:28:34,656 INFO ]: SmtParser initialized [2018-06-22 17:28:34,657 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10.smt2 [2018-06-22 17:28:34,658 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 17:28:34,756 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10.smt2 unknown [2018-06-22 17:28:35,261 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10.smt2 [2018-06-22 17:28:35,266 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:28:35,271 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:28:35,272 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:28:35,272 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:28:35,272 INFO ]: ChcToBoogie initialized [2018-06-22 17:28:35,275 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:28:35" (1/1) ... [2018-06-22 17:28:35,342 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35 Unit [2018-06-22 17:28:35,342 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:28:35,343 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:28:35,343 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:28:35,343 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:28:35,395 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (1/1) ... [2018-06-22 17:28:35,395 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (1/1) ... [2018-06-22 17:28:35,425 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (1/1) ... [2018-06-22 17:28:35,425 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (1/1) ... [2018-06-22 17:28:35,441 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (1/1) ... [2018-06-22 17:28:35,443 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (1/1) ... [2018-06-22 17:28:35,446 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (1/1) ... [2018-06-22 17:28:35,455 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:28:35,456 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:28:35,456 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:28:35,456 INFO ]: RCFGBuilder initialized [2018-06-22 17:28:35,466 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:28:35,500 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:28:35,500 INFO ]: Found specification of procedure False [2018-06-22 17:28:35,500 INFO ]: Found implementation of procedure False [2018-06-22 17:28:35,501 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:28:35,501 INFO ]: Found specification of procedure state [2018-06-22 17:28:35,501 INFO ]: Found implementation of procedure state [2018-06-22 17:28:35,501 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:28:35,501 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:28:35,501 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:28:35,966 INFO ]: Using library mode [2018-06-22 17:28:35,967 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:28:35 BoogieIcfgContainer [2018-06-22 17:28:35,967 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:28:35,968 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:28:35,968 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:28:35,973 INFO ]: TraceAbstraction initialized [2018-06-22 17:28:35,974 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:28:35" (1/3) ... [2018-06-22 17:28:35,974 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32442cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:28:35, skipping insertion in model container [2018-06-22 17:28:35,975 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:35" (2/3) ... [2018-06-22 17:28:35,976 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32442cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:28:35, skipping insertion in model container [2018-06-22 17:28:35,976 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:28:35" (3/3) ... [2018-06-22 17:28:35,978 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:28:35,988 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:28:35,999 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:28:36,051 INFO ]: Using default assertion order modulation [2018-06-22 17:28:36,051 INFO ]: Interprodecural is true [2018-06-22 17:28:36,052 INFO ]: Hoare is false [2018-06-22 17:28:36,052 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:28:36,052 INFO ]: Backedges is TWOTRACK [2018-06-22 17:28:36,052 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:28:36,052 INFO ]: Difference is false [2018-06-22 17:28:36,052 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:28:36,052 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:28:36,070 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:28:36,085 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:28:36,085 INFO ]: Found error trace [2018-06-22 17:28:36,086 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:28:36,086 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:28:36,093 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:28:36,095 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:28:36,095 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:28:36,146 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:28:36,146 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:28:36,146 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:28:36,251 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:28:36,470 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:28:36,472 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:28:36,472 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:28:36,474 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:28:36,484 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:28:36,484 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:28:36,486 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:28:36,639 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:28:36,639 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:28:36,640 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:28:36,641 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:28:36,641 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:28:36,650 INFO ]: With dead ends: 13 [2018-06-22 17:28:36,651 INFO ]: Without dead ends: 13 [2018-06-22 17:28:36,652 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 17:28:36,666 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:28:36,706 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:28:36,709 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:28:36,710 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:28:36,712 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:28:36,712 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:28:36,712 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:28:36,712 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:28:36,712 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:28:36,714 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:28:36,714 INFO ]: Found error trace [2018-06-22 17:28:36,714 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:28:36,714 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:28:36,715 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:28:36,715 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:28:36,715 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:28:36,716 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:28:36,716 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:28:36,716 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:28:36,859 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:28:37,698 WARN ]: Spent 565.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 31 [2018-06-22 17:28:37,850 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:28:37,850 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:28:37,850 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 17:28:37,858 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:28:37,998 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:28:38,012 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:29:45,069 INFO ]: Timeout while computing interpolants [2018-06-22 17:29:45,271 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:29:45,271 WARN ]: Verification canceled [2018-06-22 17:29:45,275 WARN ]: Timeout [2018-06-22 17:29:45,276 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:29:45 BoogieIcfgContainer [2018-06-22 17:29:45,276 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:29:45,277 INFO ]: Toolchain (without parser) took 70010.51 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.7 MB in the beginning and 272.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:29:45,280 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:29:45,280 INFO ]: ChcToBoogie took 70.51 ms. Allocated memory is still 307.2 MB. Free memory was 239.7 MB in the beginning and 237.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:29:45,281 INFO ]: Boogie Preprocessor took 112.83 ms. Allocated memory is still 307.2 MB. Free memory was 237.7 MB in the beginning and 235.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:29:45,282 INFO ]: RCFGBuilder took 511.02 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 207.8 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:29:45,282 INFO ]: TraceAbstraction took 69307.60 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 207.8 MB in the beginning and 272.5 MB in the end (delta: -64.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:29:45,295 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 70.51 ms. Allocated memory is still 307.2 MB. Free memory was 239.7 MB in the beginning and 237.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 112.83 ms. Allocated memory is still 307.2 MB. Free memory was 237.7 MB in the beginning and 235.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 511.02 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 207.8 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69307.60 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 207.8 MB in the beginning and 272.5 MB in the end (delta: -64.8 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 17 quantified variables from 22 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.2s 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, 0.0s 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_10.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-29-45-307.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_10.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-29-45-307.csv Completed graceful shutdown