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_all_e1_4022_e2_267.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:12:00,869 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:12:00,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:12:00,883 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:12:00,883 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:12:00,884 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:12:00,885 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:12:00,889 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:12:00,891 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:12:00,891 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:12:00,893 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:12:00,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:12:00,894 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:12:00,895 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:12:00,896 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:12:00,901 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:12:00,903 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:12:00,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:12:00,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:12:00,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:12:00,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:12:00,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:12:00,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:12:00,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:12:00,921 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:12:00,922 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:12:00,928 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:12:00,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:12:00,930 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:12:00,930 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:12:00,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:12:00,935 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:12:00,935 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:12:00,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:12:00,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:12:00,937 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 17:12:00,962 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:12:00,962 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:12:00,963 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:12:00,963 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:12:00,964 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:12:00,964 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:12:00,965 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:12:00,966 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:12:00,966 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:12:00,966 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:12:00,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:12:00,967 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:12:00,967 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:12:00,967 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:12:00,967 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:12:00,967 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:12:00,967 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:12:00,968 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:12:00,968 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:12:00,969 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:12:00,969 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:12:01,022 INFO ]: Repository-Root is: /tmp [2018-06-22 17:12:01,040 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:12:01,045 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:12:01,047 INFO ]: Initializing SmtParser... [2018-06-22 17:12:01,047 INFO ]: SmtParser initialized [2018-06-22 17:12:01,048 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022_e2_267.smt2 [2018-06-22 17:12:01,049 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 17:12:01,137 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022_e2_267.smt2 unknown [2018-06-22 17:12:01,832 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022_e2_267.smt2 [2018-06-22 17:12:01,837 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:12:01,857 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:12:01,857 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:12:01,857 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:12:01,857 INFO ]: ChcToBoogie initialized [2018-06-22 17:12:01,861 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:12:01" (1/1) ... [2018-06-22 17:12:01,947 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01 Unit [2018-06-22 17:12:01,947 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:12:01,948 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:12:01,948 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:12:01,948 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:12:01,974 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (1/1) ... [2018-06-22 17:12:01,974 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (1/1) ... [2018-06-22 17:12:01,986 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (1/1) ... [2018-06-22 17:12:01,986 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (1/1) ... [2018-06-22 17:12:02,002 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (1/1) ... [2018-06-22 17:12:02,004 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (1/1) ... [2018-06-22 17:12:02,008 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (1/1) ... [2018-06-22 17:12:02,014 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:12:02,015 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:12:02,015 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:12:02,015 INFO ]: RCFGBuilder initialized [2018-06-22 17:12:02,016 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (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 17:12:02,028 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:12:02,028 INFO ]: Found specification of procedure False [2018-06-22 17:12:02,028 INFO ]: Found implementation of procedure False [2018-06-22 17:12:02,028 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:12:02,028 INFO ]: Found specification of procedure state [2018-06-22 17:12:02,028 INFO ]: Found implementation of procedure state [2018-06-22 17:12:02,028 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:12:02,028 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:12:02,028 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:12:02,569 INFO ]: Using library mode [2018-06-22 17:12:02,569 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:12:02 BoogieIcfgContainer [2018-06-22 17:12:02,569 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:12:02,570 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:12:02,570 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:12:02,575 INFO ]: TraceAbstraction initialized [2018-06-22 17:12:02,576 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:12:01" (1/3) ... [2018-06-22 17:12:02,576 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa3b0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:12:02, skipping insertion in model container [2018-06-22 17:12:02,576 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:12:01" (2/3) ... [2018-06-22 17:12:02,577 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa3b0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:12:02, skipping insertion in model container [2018-06-22 17:12:02,577 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:12:02" (3/3) ... [2018-06-22 17:12:02,579 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:12:02,588 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:12:02,598 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:12:02,649 INFO ]: Using default assertion order modulation [2018-06-22 17:12:02,649 INFO ]: Interprodecural is true [2018-06-22 17:12:02,649 INFO ]: Hoare is false [2018-06-22 17:12:02,649 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:12:02,649 INFO ]: Backedges is TWOTRACK [2018-06-22 17:12:02,649 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:12:02,650 INFO ]: Difference is false [2018-06-22 17:12:02,650 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:12:02,650 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:12:02,668 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:12:02,681 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:12:02,681 INFO ]: Found error trace [2018-06-22 17:12:02,682 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:12:02,682 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:12:02,688 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:12:02,690 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:12:02,691 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:12:02,737 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:12:02,737 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:12:02,738 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:12:02,887 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:12:03,267 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:12:03,269 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:12:03,269 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:12:03,270 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:12:03,282 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:12:03,282 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:12:03,284 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:12:03,441 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:12:03,441 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:12:03,442 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:12:03,443 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:12:03,444 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:12:03,457 INFO ]: With dead ends: 13 [2018-06-22 17:12:03,457 INFO ]: Without dead ends: 13 [2018-06-22 17:12:03,459 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 [2018-06-22 17:12:03,478 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:12:03,519 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:12:03,520 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:12:03,521 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:12:03,522 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:12:03,522 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:12:03,522 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:12:03,522 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:12:03,522 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:12:03,524 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:12:03,525 INFO ]: Found error trace [2018-06-22 17:12:03,525 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:12:03,525 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:12:03,525 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:12:03,525 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:12:03,525 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:12:03,526 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:12:03,526 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:12:03,526 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:12:03,850 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:12:08,846 WARN ]: Spent 4.30 s on a formula simplification. DAG size of input: 527 DAG size of output: 272 [2018-06-22 17:12:09,017 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:12:09,017 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:12:09,017 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 17:12:09,034 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 17:12:09,195 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:12:09,209 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:13:06,633 INFO ]: Timeout while computing interpolants [2018-06-22 17:13:06,834 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:13:06,834 WARN ]: Verification canceled [2018-06-22 17:13:06,838 WARN ]: Timeout [2018-06-22 17:13:06,838 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:13:06 BoogieIcfgContainer [2018-06-22 17:13:06,838 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:13:06,840 INFO ]: Toolchain (without parser) took 65002.35 ms. Allocated memory was 303.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 223.5 MB in the beginning and 278.3 MB in the end (delta: -54.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:13:06,841 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 303.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:13:06,841 INFO ]: ChcToBoogie took 90.38 ms. Allocated memory is still 303.0 MB. Free memory was 223.5 MB in the beginning and 219.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:13:06,841 INFO ]: Boogie Preprocessor took 66.31 ms. Allocated memory is still 303.0 MB. Free memory was 219.5 MB in the beginning and 217.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:13:06,842 INFO ]: RCFGBuilder took 554.58 ms. Allocated memory was 303.0 MB in the beginning and 328.2 MB in the end (delta: 25.2 MB). Free memory was 217.5 MB in the beginning and 286.7 MB in the end (delta: -69.2 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:13:06,842 INFO ]: TraceAbstraction took 64268.00 ms. Allocated memory was 328.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.7 MB in the beginning and 278.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:13:06,846 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 303.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 90.38 ms. Allocated memory is still 303.0 MB. Free memory was 223.5 MB in the beginning and 219.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 66.31 ms. Allocated memory is still 303.0 MB. Free memory was 219.5 MB in the beginning and 217.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 554.58 ms. Allocated memory was 303.0 MB in the beginning and 328.2 MB in the end (delta: 25.2 MB). Free memory was 217.5 MB in the beginning and 286.7 MB in the end (delta: -69.2 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 64268.00 ms. Allocated memory was 328.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.7 MB in the beginning and 278.3 MB in the end (delta: 8.4 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 73 quantified variables from 100 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 64.1s 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, 0.2s 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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_all_e1_4022_e2_267.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-13-06-856.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e1_4022_e2_267.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-13-06-856.csv Completed graceful shutdown