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_e3_4612_e5_3642.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:10:06,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:10:06,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:10:06,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:10:06,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:10:06,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:10:06,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:10:06,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:10:06,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:10:06,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:10:06,209 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:10:06,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:10:06,210 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:10:06,211 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:10:06,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:10:06,215 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:10:06,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:10:06,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:10:06,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:10:06,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:10:06,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:10:06,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:10:06,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:10:06,225 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:10:06,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:10:06,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:10:06,228 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:10:06,228 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:10:06,229 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:10:06,229 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:10:06,230 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:10:06,231 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:10:06,231 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:10:06,232 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:10:06,232 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:10:06,233 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 17:10:06,245 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:10:06,246 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:10:06,246 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:10:06,246 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:10:06,247 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:10:06,247 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:10:06,248 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:10:06,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:10:06,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:10:06,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:10:06,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:10:06,249 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:10:06,249 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:10:06,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:10:06,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:10:06,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:10:06,250 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:10:06,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:10:06,250 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:10:06,251 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:10:06,251 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:10:06,303 INFO ]: Repository-Root is: /tmp [2018-06-22 17:10:06,315 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:10:06,321 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:10:06,322 INFO ]: Initializing SmtParser... [2018-06-22 17:10:06,322 INFO ]: SmtParser initialized [2018-06-22 17:10:06,323 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e5_3642.smt2 [2018-06-22 17:10:06,324 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 17:10:06,416 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e5_3642.smt2 unknown [2018-06-22 17:10:07,144 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e5_3642.smt2 [2018-06-22 17:10:07,149 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:10:07,155 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:10:07,155 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:10:07,156 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:10:07,156 INFO ]: ChcToBoogie initialized [2018-06-22 17:10:07,159 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:10:07" (1/1) ... [2018-06-22 17:10:07,247 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07 Unit [2018-06-22 17:10:07,247 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:10:07,248 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:10:07,248 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:10:07,248 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:10:07,270 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (1/1) ... [2018-06-22 17:10:07,270 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (1/1) ... [2018-06-22 17:10:07,287 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (1/1) ... [2018-06-22 17:10:07,288 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (1/1) ... [2018-06-22 17:10:07,303 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (1/1) ... [2018-06-22 17:10:07,304 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (1/1) ... [2018-06-22 17:10:07,317 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (1/1) ... [2018-06-22 17:10:07,331 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:10:07,331 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:10:07,331 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:10:07,331 INFO ]: RCFGBuilder initialized [2018-06-22 17:10:07,334 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (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 17:10:07,345 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:10:07,345 INFO ]: Found specification of procedure False [2018-06-22 17:10:07,345 INFO ]: Found implementation of procedure False [2018-06-22 17:10:07,345 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:10:07,345 INFO ]: Found specification of procedure state [2018-06-22 17:10:07,345 INFO ]: Found implementation of procedure state [2018-06-22 17:10:07,345 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:10:07,345 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:10:07,345 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 17:10:07,909 INFO ]: Using library mode [2018-06-22 17:10:07,910 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:10:07 BoogieIcfgContainer [2018-06-22 17:10:07,910 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:10:07,913 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:10:07,913 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:10:07,918 INFO ]: TraceAbstraction initialized [2018-06-22 17:10:07,918 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:10:07" (1/3) ... [2018-06-22 17:10:07,919 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53128c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:10:07, skipping insertion in model container [2018-06-22 17:10:07,919 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:10:07" (2/3) ... [2018-06-22 17:10:07,919 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53128c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:10:07, skipping insertion in model container [2018-06-22 17:10:07,919 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:10:07" (3/3) ... [2018-06-22 17:10:07,921 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:10:07,930 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:10:07,940 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:10:07,990 INFO ]: Using default assertion order modulation [2018-06-22 17:10:07,991 INFO ]: Interprodecural is true [2018-06-22 17:10:07,991 INFO ]: Hoare is false [2018-06-22 17:10:07,991 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:10:07,991 INFO ]: Backedges is TWOTRACK [2018-06-22 17:10:07,991 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:10:07,991 INFO ]: Difference is false [2018-06-22 17:10:07,991 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:10:07,991 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:10:08,009 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:10:08,022 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:10:08,022 INFO ]: Found error trace [2018-06-22 17:10:08,023 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:10:08,023 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:10:08,029 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:10:08,031 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:10:08,031 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:10:08,077 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:10:08,077 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:10:08,077 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:10:08,266 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:10:09,754 WARN ]: Spent 1.16 s on a formula simplification. DAG size of input: 123 DAG size of output: 30 [2018-06-22 17:10:09,760 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:10:09,762 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:10:09,762 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:10:09,764 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:10:09,778 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:10:09,779 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:10:09,781 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:10:09,940 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:10:09,940 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:10:09,941 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:10:09,943 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:10:09,943 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:10:09,956 INFO ]: With dead ends: 13 [2018-06-22 17:10:09,956 INFO ]: Without dead ends: 13 [2018-06-22 17:10:09,958 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:10:09,975 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:10:10,011 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:10:10,012 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:10:10,013 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:10:10,014 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:10:10,014 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:10:10,014 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:10:10,014 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:10:10,015 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:10:10,016 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:10:10,016 INFO ]: Found error trace [2018-06-22 17:10:10,016 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:10:10,016 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:10:10,016 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:10:10,016 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:10:10,016 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:10:10,018 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:10:10,018 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:10:10,018 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:10:10,203 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:10:14,990 WARN ]: Spent 4.06 s on a formula simplification. DAG size of input: 633 DAG size of output: 296 [2018-06-22 17:10:15,209 WARN ]: Spent 200.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-06-22 17:10:15,420 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 6 [2018-06-22 17:10:15,424 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:10:15,424 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:10:15,424 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:10:15,441 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:10:15,633 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:10:15,663 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:11:16,153 INFO ]: Timeout while computing interpolants [2018-06-22 17:11:16,354 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:11:16,354 WARN ]: Verification canceled [2018-06-22 17:11:16,357 WARN ]: Timeout [2018-06-22 17:11:16,357 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:11:16 BoogieIcfgContainer [2018-06-22 17:11:16,357 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:11:16,359 INFO ]: Toolchain (without parser) took 69209.59 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 220.8 MB in the beginning and 511.7 MB in the end (delta: -290.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:11:16,359 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:11:16,360 INFO ]: ChcToBoogie took 92.28 ms. Allocated memory is still 308.3 MB. Free memory was 220.8 MB in the beginning and 216.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:11:16,360 INFO ]: Boogie Preprocessor took 82.64 ms. Allocated memory is still 308.3 MB. Free memory was 216.8 MB in the beginning and 214.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:11:16,360 INFO ]: RCFGBuilder took 578.56 ms. Allocated memory was 308.3 MB in the beginning and 324.5 MB in the end (delta: 16.3 MB). Free memory was 214.8 MB in the beginning and 264.7 MB in the end (delta: -49.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 3.6 GB. [2018-06-22 17:11:16,361 INFO ]: TraceAbstraction took 68444.24 ms. Allocated memory was 324.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 264.7 MB in the beginning and 511.7 MB in the end (delta: -247.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:11:16,365 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 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 92.28 ms. Allocated memory is still 308.3 MB. Free memory was 220.8 MB in the beginning and 216.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 82.64 ms. Allocated memory is still 308.3 MB. Free memory was 216.8 MB in the beginning and 214.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 578.56 ms. Allocated memory was 308.3 MB in the beginning and 324.5 MB in the end (delta: 16.3 MB). Free memory was 214.8 MB in the beginning and 264.7 MB in the end (delta: -49.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68444.24 ms. Allocated memory was 324.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 264.7 MB in the beginning and 511.7 MB in the end (delta: -247.0 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 109 quantified variables from 142 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.3s 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, 1.2s 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, 1.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 504 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_e3_4612_e5_3642.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-11-16-385.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all2_e3_4612_e5_3642.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-11-16-385.csv Completed graceful shutdown