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_12_e2_1618.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:23:29,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:23:29,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:23:29,129 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:23:29,129 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:23:29,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:23:29,131 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:23:29,133 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:23:29,135 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:23:29,136 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:23:29,137 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:23:29,137 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:23:29,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:23:29,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:23:29,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:23:29,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:23:29,143 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:23:29,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:23:29,147 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:23:29,148 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:23:29,150 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:23:29,152 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:23:29,152 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:23:29,153 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:23:29,154 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:23:29,155 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:23:29,156 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:23:29,156 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:23:29,158 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:23:29,158 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:23:29,159 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:23:29,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:23:29,160 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:23:29,161 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:23:29,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:23:29,162 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 16:23:29,175 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:23:29,176 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:23:29,176 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:23:29,176 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:23:29,177 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:23:29,177 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:23:29,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:23:29,178 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:23:29,178 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:23:29,178 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:23:29,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:23:29,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:23:29,179 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:23:29,179 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:23:29,179 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:23:29,180 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:23:29,180 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:23:29,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:23:29,180 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:23:29,182 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:23:29,182 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:23:29,228 INFO ]: Repository-Root is: /tmp [2018-06-22 16:23:29,265 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:23:29,273 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:23:29,275 INFO ]: Initializing SmtParser... [2018-06-22 16:23:29,275 INFO ]: SmtParser initialized [2018-06-22 16:23:29,276 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618.smt2 [2018-06-22 16:23:29,278 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 16:23:29,387 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618.smt2 unknown [2018-06-22 16:23:30,176 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618.smt2 [2018-06-22 16:23:30,181 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:23:30,187 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:23:30,187 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:23:30,187 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:23:30,187 INFO ]: ChcToBoogie initialized [2018-06-22 16:23:30,190 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:23:30" (1/1) ... [2018-06-22 16:23:30,257 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30 Unit [2018-06-22 16:23:30,257 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:23:30,258 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:23:30,258 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:23:30,258 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:23:30,281 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (1/1) ... [2018-06-22 16:23:30,281 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (1/1) ... [2018-06-22 16:23:30,296 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (1/1) ... [2018-06-22 16:23:30,296 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (1/1) ... [2018-06-22 16:23:30,307 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (1/1) ... [2018-06-22 16:23:30,308 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (1/1) ... [2018-06-22 16:23:30,313 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (1/1) ... [2018-06-22 16:23:30,318 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:23:30,342 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:23:30,342 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:23:30,342 INFO ]: RCFGBuilder initialized [2018-06-22 16:23:30,343 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (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 16:23:30,355 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:23:30,355 INFO ]: Found specification of procedure False [2018-06-22 16:23:30,355 INFO ]: Found implementation of procedure False [2018-06-22 16:23:30,355 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:23:30,355 INFO ]: Found specification of procedure state [2018-06-22 16:23:30,355 INFO ]: Found implementation of procedure state [2018-06-22 16:23:30,355 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:23:30,355 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:23:30,355 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 16:23:30,908 INFO ]: Using library mode [2018-06-22 16:23:30,909 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:23:30 BoogieIcfgContainer [2018-06-22 16:23:30,909 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:23:30,910 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:23:30,910 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:23:30,914 INFO ]: TraceAbstraction initialized [2018-06-22 16:23:30,915 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:23:30" (1/3) ... [2018-06-22 16:23:30,916 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af2ad20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:23:30, skipping insertion in model container [2018-06-22 16:23:30,916 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:23:30" (2/3) ... [2018-06-22 16:23:30,917 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af2ad20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:23:30, skipping insertion in model container [2018-06-22 16:23:30,917 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:23:30" (3/3) ... [2018-06-22 16:23:30,919 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:23:30,928 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:23:30,942 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:23:30,990 INFO ]: Using default assertion order modulation [2018-06-22 16:23:30,991 INFO ]: Interprodecural is true [2018-06-22 16:23:30,991 INFO ]: Hoare is false [2018-06-22 16:23:30,991 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:23:30,991 INFO ]: Backedges is TWOTRACK [2018-06-22 16:23:30,991 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:23:30,991 INFO ]: Difference is false [2018-06-22 16:23:30,991 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:23:30,991 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:23:31,008 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:23:31,029 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:23:31,029 INFO ]: Found error trace [2018-06-22 16:23:31,030 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:23:31,030 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:23:31,036 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:23:31,037 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:23:31,038 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:23:31,072 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:23:31,072 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:23:31,072 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:23:31,187 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:23:31,502 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:23:31,505 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:23:31,505 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:23:31,507 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:23:31,524 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:23:31,524 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:23:31,526 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:23:31,676 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:23:31,677 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:23:31,678 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:23:31,679 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:23:31,680 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:23:31,699 INFO ]: With dead ends: 13 [2018-06-22 16:23:31,699 INFO ]: Without dead ends: 13 [2018-06-22 16:23:31,703 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:23:31,722 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:23:31,743 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:23:31,745 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:23:31,745 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:23:31,747 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:23:31,747 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:23:31,747 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:23:31,747 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:23:31,747 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:23:31,748 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:23:31,748 INFO ]: Found error trace [2018-06-22 16:23:31,749 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:23:31,749 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:23:31,749 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:23:31,749 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:23:31,749 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:23:31,750 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:23:31,750 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:23:31,750 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:23:31,887 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:23:33,059 WARN ]: Spent 763.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2018-06-22 16:23:33,154 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:23:33,155 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:23:33,155 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 16:23:33,161 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:23:33,353 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:23:33,376 INFO ]: Computing forward predicates... [2018-06-22 16:23:34,005 WARN ]: expecting exponential blowup for input size 32 Received shutdown request... [2018-06-22 16:24:24,268 INFO ]: Timeout while computing interpolants [2018-06-22 16:24:24,469 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:24:24,469 WARN ]: Verification canceled [2018-06-22 16:24:24,485 WARN ]: Timeout [2018-06-22 16:24:24,485 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:24:24 BoogieIcfgContainer [2018-06-22 16:24:24,485 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:24:24,486 INFO ]: Toolchain (without parser) took 54304.76 ms. Allocated memory was 308.3 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 231.9 MB in the beginning and 537.1 MB in the end (delta: -305.3 MB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-22 16:24:24,489 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:24:24,489 INFO ]: ChcToBoogie took 70.18 ms. Allocated memory is still 308.3 MB. Free memory was 231.9 MB in the beginning and 228.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:24:24,490 INFO ]: Boogie Preprocessor took 83.77 ms. Allocated memory is still 308.3 MB. Free memory was 228.9 MB in the beginning and 225.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:24:24,490 INFO ]: RCFGBuilder took 566.79 ms. Allocated memory was 308.3 MB in the beginning and 324.5 MB in the end (delta: 16.3 MB). Free memory was 225.9 MB in the beginning and 288.4 MB in the end (delta: -62.5 MB). Peak memory consumption was 44.3 MB. Max. memory is 3.6 GB. [2018-06-22 16:24:24,491 INFO ]: TraceAbstraction took 53575.37 ms. Allocated memory was 324.5 MB in the beginning and 2.9 GB in the end (delta: 2.5 GB). Free memory was 288.4 MB in the beginning and 537.1 MB in the end (delta: -248.7 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:24:24,505 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 70.18 ms. Allocated memory is still 308.3 MB. Free memory was 231.9 MB in the beginning and 228.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 83.77 ms. Allocated memory is still 308.3 MB. Free memory was 228.9 MB in the beginning and 225.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 566.79 ms. Allocated memory was 308.3 MB in the beginning and 324.5 MB in the end (delta: 16.3 MB). Free memory was 225.9 MB in the beginning and 288.4 MB in the end (delta: -62.5 MB). Peak memory consumption was 44.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 53575.37 ms. Allocated memory was 324.5 MB in the beginning and 2.9 GB in the end (delta: 2.5 GB). Free memory was 288.4 MB in the beginning and 537.1 MB in the end (delta: -248.7 MB). Peak memory consumption was 3.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 32 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 53.4s 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, 0.1s 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, 0.0s 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_12_e2_1618.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-24-24-516.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12_e2_1618.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-24-24-516.csv Completed graceful shutdown