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/DRAGON_all2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:10:46,858 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:10:46,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:10:46,875 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:10:46,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:10:46,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:10:46,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:10:46,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:10:46,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:10:46,881 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:10:46,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:10:46,883 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:10:46,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:10:46,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:10:46,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:10:46,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:10:46,890 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:10:46,892 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:10:46,903 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:10:46,904 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:10:46,905 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:10:46,907 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:10:46,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:10:46,908 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:10:46,908 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:10:46,909 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:10:46,910 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:10:46,911 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:10:46,912 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:10:46,912 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:10:46,913 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:10:46,913 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:10:46,913 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:10:46,914 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:10:46,915 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:10:46,915 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 17:10:46,935 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:10:46,935 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:10:46,935 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:10:46,935 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:10:46,936 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:10:46,936 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:10:46,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:10:46,937 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:10:46,937 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:10:46,937 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:10:46,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:10:46,938 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:10:46,938 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:10:46,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:10:46,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:10:46,939 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:10:46,939 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:10:46,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:10:46,939 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:10:46,941 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:10:46,941 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:10:46,987 INFO ]: Repository-Root is: /tmp [2018-06-22 17:10:47,004 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:10:47,007 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:10:47,009 INFO ]: Initializing SmtParser... [2018-06-22 17:10:47,009 INFO ]: SmtParser initialized [2018-06-22 17:10:47,010 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2.smt2 [2018-06-22 17:10:47,011 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 17:10:47,099 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2.smt2 unknown [2018-06-22 17:10:47,847 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2.smt2 [2018-06-22 17:10:47,860 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:10:47,867 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:10:47,868 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:10:47,868 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:10:47,868 INFO ]: ChcToBoogie initialized [2018-06-22 17:10:47,871 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:10:47" (1/1) ... [2018-06-22 17:10:47,955 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47 Unit [2018-06-22 17:10:47,956 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:10:47,956 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:10:47,956 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:10:47,956 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:10:47,981 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (1/1) ... [2018-06-22 17:10:47,981 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (1/1) ... [2018-06-22 17:10:48,001 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (1/1) ... [2018-06-22 17:10:48,002 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (1/1) ... [2018-06-22 17:10:48,013 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (1/1) ... [2018-06-22 17:10:48,014 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (1/1) ... [2018-06-22 17:10:48,019 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (1/1) ... [2018-06-22 17:10:48,026 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:10:48,026 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:10:48,026 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:10:48,026 INFO ]: RCFGBuilder initialized [2018-06-22 17:10:48,027 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 17:10:48,051 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:10:48,051 INFO ]: Found specification of procedure False [2018-06-22 17:10:48,051 INFO ]: Found implementation of procedure False [2018-06-22 17:10:48,051 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:10:48,051 INFO ]: Found specification of procedure state [2018-06-22 17:10:48,051 INFO ]: Found implementation of procedure state [2018-06-22 17:10:48,051 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:10:48,051 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:10:48,051 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:10:48,627 INFO ]: Using library mode [2018-06-22 17:10:48,628 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:10:48 BoogieIcfgContainer [2018-06-22 17:10:48,628 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:10:48,629 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:10:48,629 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:10:48,636 INFO ]: TraceAbstraction initialized [2018-06-22 17:10:48,636 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:10:47" (1/3) ... [2018-06-22 17:10:48,637 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb12df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:10:48, skipping insertion in model container [2018-06-22 17:10:48,637 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:47" (2/3) ... [2018-06-22 17:10:48,637 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb12df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:10:48, skipping insertion in model container [2018-06-22 17:10:48,637 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:10:48" (3/3) ... [2018-06-22 17:10:48,640 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:10:48,649 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:10:48,659 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:10:48,711 INFO ]: Using default assertion order modulation [2018-06-22 17:10:48,711 INFO ]: Interprodecural is true [2018-06-22 17:10:48,711 INFO ]: Hoare is false [2018-06-22 17:10:48,711 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:10:48,711 INFO ]: Backedges is TWOTRACK [2018-06-22 17:10:48,711 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:10:48,711 INFO ]: Difference is false [2018-06-22 17:10:48,711 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:10:48,712 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:10:48,732 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:10:48,745 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:10:48,745 INFO ]: Found error trace [2018-06-22 17:10:48,746 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:10:48,746 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:10:48,752 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:10:48,753 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:10:48,754 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:10:48,800 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:10:48,800 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:10:48,800 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:10:48,982 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:10:49,651 WARN ]: Spent 366.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 7 [2018-06-22 17:10:49,653 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:10:49,656 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:10:49,656 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:10:49,658 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:10:49,668 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:10:49,668 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:10:49,670 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:10:49,818 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:10:49,819 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:10:49,836 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:10:49,838 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:10:49,838 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:10:49,850 INFO ]: With dead ends: 13 [2018-06-22 17:10:49,850 INFO ]: Without dead ends: 13 [2018-06-22 17:10:49,852 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:10:49,869 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:10:49,907 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:10:49,908 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:10:49,909 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:10:49,910 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:10:49,910 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:10:49,910 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:10:49,910 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:10:49,910 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:10:49,912 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:10:49,912 INFO ]: Found error trace [2018-06-22 17:10:49,912 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:10:49,912 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:10:49,912 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:10:49,912 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:10:49,912 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:10:49,913 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:10:49,913 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:10:49,914 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:10:50,250 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:10:56,279 WARN ]: Spent 5.16 s on a formula simplification. DAG size of input: 754 DAG size of output: 255 [2018-06-22 17:10:56,939 WARN ]: Spent 489.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 16 [2018-06-22 17:10:56,943 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:10:56,943 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:10:56,943 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) [2018-06-22 17:10:56,957 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:10:57,133 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:10:57,152 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:11:57,611 INFO ]: Timeout while computing interpolants [2018-06-22 17:11:57,812 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:11:57,812 WARN ]: Verification canceled [2018-06-22 17:11:57,815 WARN ]: Timeout [2018-06-22 17:11:57,816 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:11:57 BoogieIcfgContainer [2018-06-22 17:11:57,816 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:11:57,816 INFO ]: Toolchain (without parser) took 69955.57 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 220.7 MB in the beginning and 273.2 MB in the end (delta: -52.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:11:57,817 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:11:57,818 INFO ]: ChcToBoogie took 88.00 ms. Allocated memory is still 307.2 MB. Free memory was 219.7 MB in the beginning and 216.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:11:57,822 INFO ]: Boogie Preprocessor took 69.45 ms. Allocated memory is still 307.2 MB. Free memory was 216.7 MB in the beginning and 213.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:11:57,823 INFO ]: RCFGBuilder took 601.48 ms. Allocated memory was 307.2 MB in the beginning and 326.1 MB in the end (delta: 18.9 MB). Free memory was 213.7 MB in the beginning and 269.1 MB in the end (delta: -55.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:11:57,823 INFO ]: TraceAbstraction took 69186.48 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 269.1 MB in the beginning and 273.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:11:57,829 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 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 88.00 ms. Allocated memory is still 307.2 MB. Free memory was 219.7 MB in the beginning and 216.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 69.45 ms. Allocated memory is still 307.2 MB. Free memory was 216.7 MB in the beginning and 213.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 601.48 ms. Allocated memory was 307.2 MB in the beginning and 326.1 MB in the end (delta: 18.9 MB). Free memory was 213.7 MB in the beginning and 269.1 MB in the end (delta: -55.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69186.48 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 269.1 MB in the beginning and 273.2 MB in the end (delta: -4.1 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 97 quantified variables from 124 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.1s 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, 0.4s 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, 0.6s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 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_all2.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-11-57-845.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all2.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-11-57-845.csv Completed graceful shutdown