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_4.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:50:33,526 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:50:33,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:50:33,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:50:33,540 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:50:33,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:50:33,542 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:50:33,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:50:33,545 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:50:33,546 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:50:33,546 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:50:33,547 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:50:33,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:50:33,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:50:33,549 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:50:33,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:50:33,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:50:33,555 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:50:33,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:50:33,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:50:33,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:50:33,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:50:33,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:50:33,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:50:33,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:50:33,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:50:33,574 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:50:33,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:50:33,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:50:33,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:50:33,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:50:33,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:50:33,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:50:33,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:50:33,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:50:33,582 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 16:50:33,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:50:33,597 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:50:33,597 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:50:33,597 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:50:33,598 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:50:33,598 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:50:33,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:50:33,600 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:50:33,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:50:33,600 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:50:33,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:50:33,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:50:33,601 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:50:33,601 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:50:33,601 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:50:33,601 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:50:33,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:50:33,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:50:33,602 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:50:33,604 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:50:33,605 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:50:33,658 INFO ]: Repository-Root is: /tmp [2018-06-22 16:50:33,674 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:50:33,679 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:50:33,681 INFO ]: Initializing SmtParser... [2018-06-22 16:50:33,682 INFO ]: SmtParser initialized [2018-06-22 16:50:33,682 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4.smt2 [2018-06-22 16:50:33,683 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 16:50:33,773 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4.smt2 unknown [2018-06-22 16:50:34,402 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4.smt2 [2018-06-22 16:50:34,407 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:50:34,412 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:50:34,412 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:50:34,413 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:50:34,413 INFO ]: ChcToBoogie initialized [2018-06-22 16:50:34,421 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:50:34" (1/1) ... [2018-06-22 16:50:34,506 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34 Unit [2018-06-22 16:50:34,506 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:50:34,507 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:50:34,507 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:50:34,507 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:50:34,527 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (1/1) ... [2018-06-22 16:50:34,527 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (1/1) ... [2018-06-22 16:50:34,554 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (1/1) ... [2018-06-22 16:50:34,554 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (1/1) ... [2018-06-22 16:50:34,575 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (1/1) ... [2018-06-22 16:50:34,576 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (1/1) ... [2018-06-22 16:50:34,581 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (1/1) ... [2018-06-22 16:50:34,588 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:50:34,588 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:50:34,588 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:50:34,588 INFO ]: RCFGBuilder initialized [2018-06-22 16:50:34,589 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (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 16:50:34,604 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:50:34,604 INFO ]: Found specification of procedure False [2018-06-22 16:50:34,604 INFO ]: Found implementation of procedure False [2018-06-22 16:50:34,604 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:50:34,604 INFO ]: Found specification of procedure state [2018-06-22 16:50:34,604 INFO ]: Found implementation of procedure state [2018-06-22 16:50:34,604 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:50:34,604 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:50:34,604 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:50:35,072 INFO ]: Using library mode [2018-06-22 16:50:35,073 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:50:35 BoogieIcfgContainer [2018-06-22 16:50:35,073 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:50:35,074 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:50:35,074 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:50:35,079 INFO ]: TraceAbstraction initialized [2018-06-22 16:50:35,079 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:50:34" (1/3) ... [2018-06-22 16:50:35,080 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:50:35, skipping insertion in model container [2018-06-22 16:50:35,080 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:50:34" (2/3) ... [2018-06-22 16:50:35,081 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:50:35, skipping insertion in model container [2018-06-22 16:50:35,081 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:50:35" (3/3) ... [2018-06-22 16:50:35,083 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:50:35,092 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:50:35,100 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:50:35,149 INFO ]: Using default assertion order modulation [2018-06-22 16:50:35,150 INFO ]: Interprodecural is true [2018-06-22 16:50:35,150 INFO ]: Hoare is false [2018-06-22 16:50:35,150 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:50:35,150 INFO ]: Backedges is TWOTRACK [2018-06-22 16:50:35,150 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:50:35,150 INFO ]: Difference is false [2018-06-22 16:50:35,150 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:50:35,150 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:50:35,167 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:50:35,180 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:50:35,180 INFO ]: Found error trace [2018-06-22 16:50:35,181 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:50:35,181 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:50:35,186 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:50:35,188 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:50:35,189 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:50:35,236 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:50:35,236 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:50:35,236 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:50:35,383 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:50:35,721 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:50:35,723 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:50:35,723 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:50:35,725 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:50:35,740 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:50:35,740 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:50:35,743 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:50:35,900 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:50:35,900 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:50:35,903 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:50:35,904 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:50:35,904 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:50:35,918 INFO ]: With dead ends: 13 [2018-06-22 16:50:35,918 INFO ]: Without dead ends: 13 [2018-06-22 16:50:35,920 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 16:50:35,936 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:50:35,963 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:50:35,964 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:50:35,965 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:50:35,966 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:50:35,966 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:50:35,966 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:50:35,966 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:50:35,966 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:50:35,967 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:50:35,967 INFO ]: Found error trace [2018-06-22 16:50:35,968 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:50:35,968 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:50:35,968 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:50:35,968 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:50:35,968 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:50:35,969 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:50:35,969 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:50:35,969 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:50:36,085 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:50:37,797 WARN ]: Spent 1.33 s on a formula simplification. DAG size of input: 121 DAG size of output: 54 [2018-06-22 16:50:37,944 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:50:37,944 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:50:37,944 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 16:50:37,956 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:50:38,120 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:50:38,136 INFO ]: Computing forward predicates... [2018-06-22 16:50:40,343 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:50:40,877 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:50:41,093 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:50:41,387 WARN ]: expecting exponential blowup for input size 9 Received shutdown request... [2018-06-22 16:51:21,209 INFO ]: Timeout while computing interpolants [2018-06-22 16:51:21,410 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:51:21,410 WARN ]: Verification canceled [2018-06-22 16:51:21,415 WARN ]: Timeout [2018-06-22 16:51:21,415 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:51:21 BoogieIcfgContainer [2018-06-22 16:51:21,415 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:51:21,425 INFO ]: Toolchain (without parser) took 47008.64 ms. Allocated memory was 309.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 231.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.0 GB. Max. memory is 3.6 GB. [2018-06-22 16:51:21,426 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:51:21,426 INFO ]: ChcToBoogie took 94.09 ms. Allocated memory is still 309.3 MB. Free memory was 231.8 MB in the beginning and 229.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:51:21,427 INFO ]: Boogie Preprocessor took 80.69 ms. Allocated memory is still 309.3 MB. Free memory was 229.8 MB in the beginning and 227.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:51:21,427 INFO ]: RCFGBuilder took 485.10 ms. Allocated memory was 309.3 MB in the beginning and 326.1 MB in the end (delta: 16.8 MB). Free memory was 227.8 MB in the beginning and 290.0 MB in the end (delta: -62.2 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:51:21,428 INFO ]: TraceAbstraction took 46340.91 ms. Allocated memory was 326.1 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 290.0 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.0 GB. Max. memory is 3.6 GB. [2018-06-22 16:51:21,442 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 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 94.09 ms. Allocated memory is still 309.3 MB. Free memory was 231.8 MB in the beginning and 229.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 80.69 ms. Allocated memory is still 309.3 MB. Free memory was 229.8 MB in the beginning and 227.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 485.10 ms. Allocated memory was 309.3 MB in the beginning and 326.1 MB in the end (delta: 16.8 MB). Free memory was 227.8 MB in the beginning and 290.0 MB in the end (delta: -62.2 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 46340.91 ms. Allocated memory was 326.1 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 290.0 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.0 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 9 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 46.2s 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, 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_4.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-51-21-458.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-51-21-458.csv Completed graceful shutdown