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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 07:11:55,605 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 07:11:55,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 07:11:55,621 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 07:11:55,621 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 07:11:55,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 07:11:55,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 07:11:55,631 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 07:11:55,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 07:11:55,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 07:11:55,637 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 07:11:55,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 07:11:55,640 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 07:11:55,641 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 07:11:55,642 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 07:11:55,642 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 07:11:55,647 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 07:11:55,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 07:11:55,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 07:11:55,663 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 07:11:55,664 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 07:11:55,667 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 07:11:55,667 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 07:11:55,667 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 07:11:55,668 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 07:11:55,669 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 07:11:55,670 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 07:11:55,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 07:11:55,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 07:11:55,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 07:11:55,672 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 07:11:55,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 07:11:55,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 07:11:55,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 07:11:55,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 07:11:55,675 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 07:11:55,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 07:11:55,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 07:11:55,689 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 07:11:55,689 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 07:11:55,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 07:11:55,690 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 07:11:55,691 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 07:11:55,691 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 07:11:55,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 07:11:55,691 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 07:11:55,691 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 07:11:55,692 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 07:11:55,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 07:11:55,692 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 07:11:55,692 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 07:11:55,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 07:11:55,692 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 07:11:55,694 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 07:11:55,694 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 07:11:55,752 INFO ]: Repository-Root is: /tmp [2018-06-22 07:11:55,771 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 07:11:55,778 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 07:11:55,780 INFO ]: Initializing SmtParser... [2018-06-22 07:11:55,780 INFO ]: SmtParser initialized [2018-06-22 07:11:55,781 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8.smt2 [2018-06-22 07:11:55,782 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 07:11:55,881 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8.smt2 unknown [2018-06-22 07:11:56,485 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8.smt2 [2018-06-22 07:11:56,490 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 07:11:56,495 INFO ]: Walking toolchain with 4 elements. [2018-06-22 07:11:56,496 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 07:11:56,496 INFO ]: Initializing ChcToBoogie... [2018-06-22 07:11:56,496 INFO ]: ChcToBoogie initialized [2018-06-22 07:11:56,502 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:11:56" (1/1) ... [2018-06-22 07:11:56,643 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56 Unit [2018-06-22 07:11:56,643 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 07:11:56,644 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 07:11:56,644 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 07:11:56,644 INFO ]: Boogie Preprocessor initialized [2018-06-22 07:11:56,664 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (1/1) ... [2018-06-22 07:11:56,664 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (1/1) ... [2018-06-22 07:11:56,679 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (1/1) ... [2018-06-22 07:11:56,679 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (1/1) ... [2018-06-22 07:11:56,692 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (1/1) ... [2018-06-22 07:11:56,695 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (1/1) ... [2018-06-22 07:11:56,699 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (1/1) ... [2018-06-22 07:11:56,706 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 07:11:56,707 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 07:11:56,707 INFO ]: Initializing RCFGBuilder... [2018-06-22 07:11:56,707 INFO ]: RCFGBuilder initialized [2018-06-22 07:11:56,708 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (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 07:11:56,724 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 07:11:56,724 INFO ]: Found specification of procedure gotoProc [2018-06-22 07:11:56,724 INFO ]: Found implementation of procedure gotoProc [2018-06-22 07:11:56,724 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 07:11:56,724 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 07:11:56,724 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 07:11:57,330 INFO ]: Using library mode [2018-06-22 07:11:57,330 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:11:57 BoogieIcfgContainer [2018-06-22 07:11:57,330 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 07:11:57,334 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 07:11:57,334 INFO ]: Initializing TraceAbstraction... [2018-06-22 07:11:57,340 INFO ]: TraceAbstraction initialized [2018-06-22 07:11:57,340 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:11:56" (1/3) ... [2018-06-22 07:11:57,341 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed9bc43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:11:57, skipping insertion in model container [2018-06-22 07:11:57,341 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:11:56" (2/3) ... [2018-06-22 07:11:57,342 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed9bc43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:11:57, skipping insertion in model container [2018-06-22 07:11:57,342 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:11:57" (3/3) ... [2018-06-22 07:11:57,344 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 07:11:57,354 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 07:11:57,366 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 07:11:57,424 INFO ]: Using default assertion order modulation [2018-06-22 07:11:57,424 INFO ]: Interprodecural is true [2018-06-22 07:11:57,424 INFO ]: Hoare is false [2018-06-22 07:11:57,425 INFO ]: Compute interpolants for FPandBP [2018-06-22 07:11:57,425 INFO ]: Backedges is TWOTRACK [2018-06-22 07:11:57,425 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 07:11:57,425 INFO ]: Difference is false [2018-06-22 07:11:57,425 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 07:11:57,425 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 07:11:57,446 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 07:11:57,463 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 07:11:57,463 INFO ]: Found error trace [2018-06-22 07:11:57,464 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:11:57,464 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:11:57,470 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 07:11:57,473 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:11:57,473 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:11:57,525 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:11:57,525 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:11:57,525 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:11:57,671 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:11:57,838 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:11:57,840 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 07:11:57,840 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 07:11:57,841 INFO ]: Interpolant automaton has 3 states [2018-06-22 07:11:57,852 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 07:11:57,852 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:11:57,854 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 07:11:57,965 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:11:57,965 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 07:11:57,966 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 07:11:57,968 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 07:11:57,968 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:11:57,977 INFO ]: With dead ends: 9 [2018-06-22 07:11:57,977 INFO ]: Without dead ends: 9 [2018-06-22 07:11:57,981 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:11:57,998 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 07:11:58,018 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 07:11:58,020 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 07:11:58,021 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 07:11:58,022 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 07:11:58,022 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:11:58,022 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 07:11:58,022 INFO ]: Interpolant automaton has 3 states. [2018-06-22 07:11:58,022 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 07:11:58,023 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 07:11:58,023 INFO ]: Found error trace [2018-06-22 07:11:58,023 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:11:58,023 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:11:58,023 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 07:11:58,023 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:11:58,024 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:11:58,024 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:11:58,024 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:11:58,024 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:11:58,154 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:11:58,487 WARN ]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-06-22 07:11:58,488 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:11:58,489 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 07:11:58,489 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 07:11:58,500 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:11:58,766 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:11:58,784 INFO ]: Computing forward predicates... [2018-06-22 07:11:58,872 WARN ]: expecting exponential blowup for input size 20 [2018-06-22 07:12:15,249 WARN ]: Simplifying disjunction of 839808 conjuctions. This might take some time... Received shutdown request... [2018-06-22 07:13:06,764 INFO ]: Timeout while computing interpolants [2018-06-22 07:13:06,965 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:13:06,965 WARN ]: Verification canceled [2018-06-22 07:13:06,969 WARN ]: Timeout [2018-06-22 07:13:06,970 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:13:06 BoogieIcfgContainer [2018-06-22 07:13:06,970 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 07:13:06,971 INFO ]: Toolchain (without parser) took 70480.30 ms. Allocated memory was 307.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 230.4 MB in the beginning and 642.8 MB in the end (delta: -412.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 3.6 GB. [2018-06-22 07:13:06,972 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 307.8 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 07:13:06,972 INFO ]: ChcToBoogie took 147.61 ms. Allocated memory is still 307.8 MB. Free memory was 230.4 MB in the beginning and 226.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:13:06,972 INFO ]: Boogie Preprocessor took 62.36 ms. Allocated memory is still 307.8 MB. Free memory was 226.4 MB in the beginning and 224.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:13:06,973 INFO ]: RCFGBuilder took 623.86 ms. Allocated memory was 307.8 MB in the beginning and 326.1 MB in the end (delta: 18.4 MB). Free memory was 224.4 MB in the beginning and 277.1 MB in the end (delta: -52.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 3.6 GB. [2018-06-22 07:13:06,974 INFO ]: TraceAbstraction took 69635.44 ms. Allocated memory was 326.1 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 277.1 MB in the beginning and 642.8 MB in the end (delta: -365.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 3.6 GB. [2018-06-22 07:13:06,977 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 307.8 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 147.61 ms. Allocated memory is still 307.8 MB. Free memory was 230.4 MB in the beginning and 226.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 62.36 ms. Allocated memory is still 307.8 MB. Free memory was 226.4 MB in the beginning and 224.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 623.86 ms. Allocated memory was 307.8 MB in the beginning and 326.1 MB in the end (delta: 18.4 MB). Free memory was 224.4 MB in the beginning and 277.1 MB in the end (delta: -52.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69635.44 ms. Allocated memory was 326.1 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 277.1 MB in the beginning and 642.8 MB in the end (delta: -365.8 MB). Peak memory consumption was 1.7 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 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 839808 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 69.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_8.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_07-13-06-989.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_8.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_07-13-06-989.csv Completed graceful shutdown