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_10_e2_2785_e3_1744.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:11:19,737 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:11:19,739 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:11:19,751 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:11:19,751 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:11:19,752 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:11:19,753 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:11:19,755 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:11:19,757 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:11:19,758 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:11:19,759 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:11:19,759 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:11:19,760 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:11:19,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:11:19,762 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:11:19,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:11:19,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:11:19,766 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:11:19,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:11:19,769 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:11:19,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:11:19,772 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:11:19,773 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:11:19,773 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:11:19,774 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:11:19,775 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:11:19,775 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:11:19,776 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:11:19,777 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:11:19,778 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:11:19,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:11:19,779 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:11:19,779 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:11:19,780 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:11:19,781 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:11:19,781 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 16:11:19,799 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:11:19,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:11:19,800 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:11:19,800 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:11:19,801 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:11:19,801 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:11:19,802 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:11:19,802 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:11:19,802 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:11:19,802 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:11:19,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:11:19,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:11:19,803 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:11:19,803 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:11:19,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:11:19,804 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:11:19,804 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:11:19,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:11:19,804 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:11:19,807 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:11:19,808 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:11:19,854 INFO ]: Repository-Root is: /tmp [2018-06-22 16:11:19,872 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:11:19,878 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:11:19,880 INFO ]: Initializing SmtParser... [2018-06-22 16:11:19,880 INFO ]: SmtParser initialized [2018-06-22 16:11:19,881 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_2785_e3_1744.smt2 [2018-06-22 16:11:19,882 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 16:11:19,976 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_2785_e3_1744.smt2 unknown [2018-06-22 16:11:20,668 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_2785_e3_1744.smt2 [2018-06-22 16:11:20,672 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:11:20,678 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:11:20,679 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:11:20,679 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:11:20,679 INFO ]: ChcToBoogie initialized [2018-06-22 16:11:20,682 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:11:20" (1/1) ... [2018-06-22 16:11:20,746 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20 Unit [2018-06-22 16:11:20,746 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:11:20,746 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:11:20,746 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:11:20,747 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:11:20,771 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (1/1) ... [2018-06-22 16:11:20,771 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (1/1) ... [2018-06-22 16:11:20,787 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (1/1) ... [2018-06-22 16:11:20,787 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (1/1) ... [2018-06-22 16:11:20,800 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (1/1) ... [2018-06-22 16:11:20,801 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (1/1) ... [2018-06-22 16:11:20,806 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (1/1) ... [2018-06-22 16:11:20,812 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:11:20,812 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:11:20,812 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:11:20,812 INFO ]: RCFGBuilder initialized [2018-06-22 16:11:20,813 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (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 16:11:20,841 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:11:20,841 INFO ]: Found specification of procedure False [2018-06-22 16:11:20,841 INFO ]: Found implementation of procedure False [2018-06-22 16:11:20,841 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:11:20,841 INFO ]: Found specification of procedure state [2018-06-22 16:11:20,841 INFO ]: Found implementation of procedure state [2018-06-22 16:11:20,841 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:11:20,842 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:11:20,842 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:11:21,338 INFO ]: Using library mode [2018-06-22 16:11:21,338 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:11:21 BoogieIcfgContainer [2018-06-22 16:11:21,339 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:11:21,340 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:11:21,340 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:11:21,343 INFO ]: TraceAbstraction initialized [2018-06-22 16:11:21,344 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:11:20" (1/3) ... [2018-06-22 16:11:21,344 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fccb30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:11:21, skipping insertion in model container [2018-06-22 16:11:21,344 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:11:20" (2/3) ... [2018-06-22 16:11:21,345 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fccb30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:11:21, skipping insertion in model container [2018-06-22 16:11:21,345 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:11:21" (3/3) ... [2018-06-22 16:11:21,347 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:11:21,356 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:11:21,364 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:11:21,421 INFO ]: Using default assertion order modulation [2018-06-22 16:11:21,422 INFO ]: Interprodecural is true [2018-06-22 16:11:21,422 INFO ]: Hoare is false [2018-06-22 16:11:21,422 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:11:21,422 INFO ]: Backedges is TWOTRACK [2018-06-22 16:11:21,422 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:11:21,422 INFO ]: Difference is false [2018-06-22 16:11:21,422 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:11:21,422 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:11:21,440 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:11:21,457 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:11:21,457 INFO ]: Found error trace [2018-06-22 16:11:21,458 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:11:21,458 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:11:21,463 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:11:21,465 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:11:21,466 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:11:21,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:11:21,516 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:11:21,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:11:21,648 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:11:21,862 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:11:21,865 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:11:21,865 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:11:21,867 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:11:21,882 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:11:21,883 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:11:21,886 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:11:22,042 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:11:22,043 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:11:22,044 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:11:22,046 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:11:22,046 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:11:22,060 INFO ]: With dead ends: 13 [2018-06-22 16:11:22,061 INFO ]: Without dead ends: 13 [2018-06-22 16:11:22,066 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:11:22,084 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:11:22,122 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:11:22,124 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:11:22,124 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:11:22,127 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:11:22,127 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:11:22,127 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:11:22,127 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:11:22,127 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:11:22,128 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:11:22,128 INFO ]: Found error trace [2018-06-22 16:11:22,129 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:11:22,129 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:11:22,129 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:11:22,129 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:11:22,129 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:11:22,131 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:11:22,131 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:11:22,131 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:11:22,271 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:11:23,505 WARN ]: Spent 844.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 46 [2018-06-22 16:11:23,666 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:11:23,666 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:11:23,666 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 16:11:23,679 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:11:23,881 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:11:23,893 INFO ]: Computing forward predicates... [2018-06-22 16:11:34,768 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:11:34,952 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:11:36,521 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:11:36,724 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:11:36,882 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:11:36,898 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:11:37,541 WARN ]: Simplifying disjunction of 19908 conjuctions. This might take some time... [2018-06-22 16:12:03,178 INFO ]: Simplified to disjunction of 19908 conjuctions. [2018-06-22 16:12:03,270 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:12:03,424 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:12:04,732 WARN ]: Simplifying disjunction of 62667 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:12:31,348 INFO ]: Timeout while computing interpolants [2018-06-22 16:12:31,548 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:12:31,549 WARN ]: Verification canceled [2018-06-22 16:12:31,556 WARN ]: Timeout [2018-06-22 16:12:31,556 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:12:31 BoogieIcfgContainer [2018-06-22 16:12:31,556 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:12:31,557 INFO ]: Toolchain (without parser) took 70884.08 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 230.3 MB in the beginning and 1.1 GB in the end (delta: -841.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:12:31,558 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:12:31,559 INFO ]: ChcToBoogie took 67.17 ms. Allocated memory is still 309.9 MB. Free memory was 230.3 MB in the beginning and 228.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:12:31,559 INFO ]: Boogie Preprocessor took 65.25 ms. Allocated memory is still 309.9 MB. Free memory was 228.3 MB in the beginning and 226.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:12:31,559 INFO ]: RCFGBuilder took 526.29 ms. Allocated memory was 309.9 MB in the beginning and 328.7 MB in the end (delta: 18.9 MB). Free memory was 226.4 MB in the beginning and 291.1 MB in the end (delta: -64.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:12:31,560 INFO ]: TraceAbstraction took 70216.09 ms. Allocated memory was 328.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 288.8 MB in the beginning and 1.1 GB in the end (delta: -783.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:12:31,573 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 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 67.17 ms. Allocated memory is still 309.9 MB. Free memory was 230.3 MB in the beginning and 228.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.25 ms. Allocated memory is still 309.9 MB. Free memory was 228.3 MB in the beginning and 226.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 526.29 ms. Allocated memory was 309.9 MB in the beginning and 328.7 MB in the end (delta: 18.9 MB). Free memory was 226.4 MB in the beginning and 291.1 MB in the end (delta: -64.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70216.09 ms. Allocated memory was 328.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 288.8 MB in the beginning and 1.1 GB in the end (delta: -783.0 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 62667 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.1s 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, 0.0s 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, 0.2s 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_10_e2_2785_e3_1744.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-12-31-590.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e2_2785_e3_1744.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-12-31-590.csv Completed graceful shutdown