java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e8_3031.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:45:08,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:45:08,795 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:45:08,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:45:08,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:45:08,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:45:08,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:45:08,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:45:08,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:45:08,855 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:45:08,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:45:08,856 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:45:08,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:45:08,866 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:45:08,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:45:08,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:45:08,881 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:45:08,883 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:45:08,892 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:45:08,893 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:45:08,895 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:45:08,897 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:45:08,910 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:45:08,911 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:45:08,912 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:45:08,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:45:08,919 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:45:08,920 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:45:08,921 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:45:08,921 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:45:08,922 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:45:08,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:45:08,933 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:45:08,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:45:08,935 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:45:08,935 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:45:08,976 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:45:08,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:45:08,977 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:45:08,977 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:45:08,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:45:08,979 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:45:08,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:45:08,980 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:45:08,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:45:08,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:45:08,981 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:45:08,981 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:45:08,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:45:08,981 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:45:08,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:45:08,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:45:08,990 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:45:08,992 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:45:08,992 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:45:09,098 INFO ]: Repository-Root is: /tmp [2018-06-18 14:45:09,136 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:45:09,150 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:45:09,157 INFO ]: Initializing SmtParser... [2018-06-18 14:45:09,157 INFO ]: SmtParser initialized [2018-06-18 14:45:09,158 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e8_3031.smt2 [2018-06-18 14:45:09,159 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 [2018-06-18 14:45:09,448 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e8_3031.smt2 unknown [2018-06-18 14:45:10,548 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e8_3031.smt2 [2018-06-18 14:45:10,554 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:45:10,561 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:45:10,561 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:45:10,561 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:45:10,561 INFO ]: ChcToBoogie initialized [2018-06-18 14:45:10,573 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:45:10" (1/1) ... [2018-06-18 14:45:10,698 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10 Unit [2018-06-18 14:45:10,698 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:45:10,699 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:45:10,699 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:45:10,699 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:45:10,725 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (1/1) ... [2018-06-18 14:45:10,725 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (1/1) ... [2018-06-18 14:45:10,756 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (1/1) ... [2018-06-18 14:45:10,765 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (1/1) ... [2018-06-18 14:45:10,791 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (1/1) ... [2018-06-18 14:45:10,792 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (1/1) ... [2018-06-18 14:45:10,797 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (1/1) ... [2018-06-18 14:45:10,807 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:45:10,808 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:45:10,808 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:45:10,808 INFO ]: RCFGBuilder initialized [2018-06-18 14:45:10,809 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (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 [2018-06-18 14:45:10,851 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:45:10,851 INFO ]: Found specification of procedure False [2018-06-18 14:45:10,851 INFO ]: Found implementation of procedure False [2018-06-18 14:45:10,851 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:45:10,851 INFO ]: Found specification of procedure state [2018-06-18 14:45:10,851 INFO ]: Found implementation of procedure state [2018-06-18 14:45:10,851 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:45:10,851 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:45:10,851 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 14:45:11,671 INFO ]: Using library mode [2018-06-18 14:45:11,673 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:45:11 BoogieIcfgContainer [2018-06-18 14:45:11,673 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:45:11,674 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:45:11,674 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:45:11,686 INFO ]: TraceAbstraction initialized [2018-06-18 14:45:11,686 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:45:10" (1/3) ... [2018-06-18 14:45:11,687 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:45:11, skipping insertion in model container [2018-06-18 14:45:11,688 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:45:10" (2/3) ... [2018-06-18 14:45:11,688 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:45:11, skipping insertion in model container [2018-06-18 14:45:11,688 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:45:11" (3/3) ... [2018-06-18 14:45:11,694 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:45:11,704 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:45:11,716 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:45:11,777 INFO ]: Using default assertion order modulation [2018-06-18 14:45:11,782 INFO ]: Interprodecural is true [2018-06-18 14:45:11,782 INFO ]: Hoare is false [2018-06-18 14:45:11,782 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:45:11,782 INFO ]: Backedges is TWOTRACK [2018-06-18 14:45:11,782 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:45:11,782 INFO ]: Difference is false [2018-06-18 14:45:11,782 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:45:11,782 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:45:11,817 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:45:11,846 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:45:11,846 INFO ]: Found error trace [2018-06-18 14:45:11,847 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:45:11,848 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:45:11,866 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:45:11,868 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:45:11,869 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:45:11,935 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:45:11,935 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:45:11,935 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:45:12,194 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:45:12,207 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:45:12,592 WARN ]: Spent 108.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-18 14:45:12,602 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:45:12,605 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:45:12,605 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:45:12,607 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:45:12,638 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:45:12,639 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:45:12,642 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:45:12,832 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:45:12,832 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:45:12,834 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:45:12,836 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:45:12,836 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:45:12,864 INFO ]: With dead ends: 13 [2018-06-18 14:45:12,864 INFO ]: Without dead ends: 13 [2018-06-18 14:45:12,868 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:45:12,915 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:45:12,986 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:45:12,995 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:45:12,996 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:45:12,998 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:45:12,998 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:45:12,998 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:45:12,998 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:45:12,999 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:45:13,006 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:45:13,006 INFO ]: Found error trace [2018-06-18 14:45:13,006 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:45:13,007 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:45:13,007 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:45:13,007 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:45:13,007 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:45:13,008 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:45:13,008 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:45:13,008 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:45:13,303 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:45:13,304 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:45:15,363 WARN ]: Spent 1.72 s on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2018-06-18 14:45:15,538 WARN ]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-06-18 14:45:15,694 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:45:15,694 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:45:15,694 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 [2018-06-18 14:45:15,766 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:45:16,014 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:45:16,030 INFO ]: Computing forward predicates... [2018-06-18 14:45:19,362 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:45:19,462 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:45:20,704 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 14:45:21,344 WARN ]: expecting exponential blowup for input size 9 Received shutdown request... [2018-06-18 14:46:18,389 INFO ]: Timeout while computing interpolants [2018-06-18 14:46:18,590 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:46:18,590 WARN ]: Verification canceled [2018-06-18 14:46:18,597 WARN ]: Timeout [2018-06-18 14:46:18,597 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:46:18 BoogieIcfgContainer [2018-06-18 14:46:18,597 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:46:18,607 INFO ]: Toolchain (without parser) took 68052.35 ms. Allocated memory was 294.6 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 219.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.5 GB. Max. memory is 3.6 GB. [2018-06-18 14:46:18,607 INFO ]: SmtParser took 0.11 ms. Allocated memory is still 294.6 MB. Free memory is still 260.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:46:18,608 INFO ]: ChcToBoogie took 137.51 ms. Allocated memory is still 294.6 MB. Free memory was 219.2 MB in the beginning and 211.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:46:18,608 INFO ]: Boogie Preprocessor took 108.46 ms. Allocated memory is still 294.6 MB. Free memory was 211.2 MB in the beginning and 208.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:46:18,608 INFO ]: RCFGBuilder took 865.15 ms. Allocated memory was 294.6 MB in the beginning and 317.7 MB in the end (delta: 23.1 MB). Free memory was 208.2 MB in the beginning and 276.5 MB in the end (delta: -68.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:46:18,609 INFO ]: TraceAbstraction took 66923.09 ms. Allocated memory was 317.7 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 276.5 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.5 GB. Max. memory is 3.6 GB. [2018-06-18 14:46:18,624 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.11 ms. Allocated memory is still 294.6 MB. Free memory is still 260.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 137.51 ms. Allocated memory is still 294.6 MB. Free memory was 219.2 MB in the beginning and 211.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 108.46 ms. Allocated memory is still 294.6 MB. Free memory was 211.2 MB in the beginning and 208.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 865.15 ms. Allocated memory was 294.6 MB in the beginning and 317.7 MB in the end (delta: 23.1 MB). Free memory was 208.2 MB in the beginning and 276.5 MB in the end (delta: -68.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 66923.09 ms. Allocated memory was 317.7 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 276.5 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.5 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 9 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 66.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 0.2s SatisfiabilityAnalysisTime, 0.3s 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/DRAGON_9_e7_1843_e8_3031.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-46-18-647.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e8_3031.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-46-18-647.csv Completed graceful shutdown