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/rtp_5.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:48:33,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:48:33,766 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:48:33,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:48:33,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:48:33,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:48:33,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:48:33,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:48:33,791 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:48:33,792 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:48:33,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:48:33,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:48:33,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:48:33,805 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:48:33,806 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:48:33,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:48:33,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:48:33,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:48:33,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:48:33,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:48:33,816 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:48:33,820 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:48:33,821 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:48:33,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:48:33,828 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:48:33,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:48:33,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:48:33,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:48:33,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:48:33,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:48:33,832 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:48:33,836 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:48:33,837 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:48:33,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:48:33,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:48:33,839 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 19:48:33,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:48:33,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:48:33,866 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:48:33,866 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:48:33,867 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:48:33,867 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:48:33,868 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:48:33,868 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:48:33,868 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:48:33,868 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:48:33,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:48:33,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:48:33,869 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:48:33,869 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:48:33,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:48:33,870 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:48:33,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:48:33,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:48:33,870 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:48:33,872 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:48:33,872 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:48:33,926 INFO ]: Repository-Root is: /tmp [2018-06-22 19:48:33,941 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:48:33,943 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:48:33,945 INFO ]: Initializing SmtParser... [2018-06-22 19:48:33,945 INFO ]: SmtParser initialized [2018-06-22 19:48:33,945 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_5.smt2 [2018-06-22 19:48:33,946 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 19:48:34,016 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_5.smt2 unknown [2018-06-22 19:48:34,685 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_5.smt2 [2018-06-22 19:48:34,690 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:48:34,697 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:48:34,697 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:48:34,697 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:48:34,697 INFO ]: ChcToBoogie initialized [2018-06-22 19:48:34,700 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:48:34" (1/1) ... [2018-06-22 19:48:34,761 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34 Unit [2018-06-22 19:48:34,761 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:48:34,762 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:48:34,762 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:48:34,762 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:48:34,794 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (1/1) ... [2018-06-22 19:48:34,794 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (1/1) ... [2018-06-22 19:48:34,825 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (1/1) ... [2018-06-22 19:48:34,825 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (1/1) ... [2018-06-22 19:48:34,845 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (1/1) ... [2018-06-22 19:48:34,846 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (1/1) ... [2018-06-22 19:48:34,858 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (1/1) ... [2018-06-22 19:48:34,863 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:48:34,864 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:48:34,864 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:48:34,864 INFO ]: RCFGBuilder initialized [2018-06-22 19:48:34,865 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (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 19:48:34,883 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:48:34,883 INFO ]: Found specification of procedure False [2018-06-22 19:48:34,883 INFO ]: Found implementation of procedure False [2018-06-22 19:48:34,884 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:48:34,884 INFO ]: Found specification of procedure state [2018-06-22 19:48:34,884 INFO ]: Found implementation of procedure state [2018-06-22 19:48:34,884 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:48:34,884 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:48:34,884 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 19:48:35,437 INFO ]: Using library mode [2018-06-22 19:48:35,438 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:48:35 BoogieIcfgContainer [2018-06-22 19:48:35,438 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:48:35,439 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:48:35,439 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:48:35,444 INFO ]: TraceAbstraction initialized [2018-06-22 19:48:35,445 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:48:34" (1/3) ... [2018-06-22 19:48:35,445 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2c6c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:48:35, skipping insertion in model container [2018-06-22 19:48:35,446 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:34" (2/3) ... [2018-06-22 19:48:35,446 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2c6c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:48:35, skipping insertion in model container [2018-06-22 19:48:35,446 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:48:35" (3/3) ... [2018-06-22 19:48:35,448 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:48:35,457 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:48:35,466 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:48:35,519 INFO ]: Using default assertion order modulation [2018-06-22 19:48:35,520 INFO ]: Interprodecural is true [2018-06-22 19:48:35,520 INFO ]: Hoare is false [2018-06-22 19:48:35,520 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:48:35,520 INFO ]: Backedges is TWOTRACK [2018-06-22 19:48:35,520 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:48:35,520 INFO ]: Difference is false [2018-06-22 19:48:35,520 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:48:35,520 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:48:35,535 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:48:35,549 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:48:35,549 INFO ]: Found error trace [2018-06-22 19:48:35,550 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:48:35,550 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:48:35,556 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 19:48:35,558 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:48:35,559 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:48:35,606 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:35,606 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:48:35,606 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:35,726 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:36,032 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:48:36,034 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:48:36,034 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:48:36,035 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:48:36,046 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:48:36,047 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:48:36,049 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:48:36,215 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:48:36,215 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:48:36,217 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:48:36,218 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:48:36,219 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:48:36,232 INFO ]: With dead ends: 13 [2018-06-22 19:48:36,233 INFO ]: Without dead ends: 13 [2018-06-22 19:48:36,234 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 19:48:36,253 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:48:36,289 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:48:36,290 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:48:36,291 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:48:36,292 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:48:36,292 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:48:36,292 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:48:36,292 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:48:36,293 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:48:36,294 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:48:36,294 INFO ]: Found error trace [2018-06-22 19:48:36,294 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:48:36,294 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:48:36,294 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 19:48:36,294 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:48:36,294 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:48:36,296 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:36,296 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:48:36,296 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:36,373 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:37,111 WARN ]: Spent 513.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2018-06-22 19:48:37,290 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:48:37,291 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:48:37,291 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-06-22 19:48:37,309 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:48:37,492 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:37,505 INFO ]: Computing forward predicates... [2018-06-22 19:48:38,300 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:38,484 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:38,501 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:48:40,026 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:40,126 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:40,134 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:48:41,784 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:41,837 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:42,070 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:42,160 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:42,215 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:42,250 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:42,435 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:42,445 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:48:42,559 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:42,604 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:43,247 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:43,248 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:48:44,178 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:44,182 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 19:48:46,173 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:46,174 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:48:47,575 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:47,576 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:48:49,037 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:49,092 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:49,096 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:48:49,965 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:49,968 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 19:48:52,191 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:52,196 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:48:53,382 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:53,433 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:48:53,433 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:48:53,480 WARN ]: Simplifying disjunction of 8532 conjuctions. This might take some time... [2018-06-22 19:49:04,165 INFO ]: Simplified to disjunction of 8532 conjuctions. [2018-06-22 19:49:04,250 WARN ]: Simplifying disjunction of 28568 conjuctions. This might take some time... Received shutdown request... [2018-06-22 19:49:53,286 INFO ]: Timeout while computing interpolants [2018-06-22 19:49:53,487 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:49:53,487 WARN ]: Verification canceled [2018-06-22 19:49:53,491 WARN ]: Timeout [2018-06-22 19:49:53,492 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:49:53 BoogieIcfgContainer [2018-06-22 19:49:53,492 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:49:53,493 INFO ]: Toolchain (without parser) took 78802.42 ms. Allocated memory was 305.7 MB in the beginning and 435.7 MB in the end (delta: 130.0 MB). Free memory was 231.3 MB in the beginning and 228.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 147.5 MB. Max. memory is 3.6 GB. [2018-06-22 19:49:53,493 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 305.7 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:49:53,494 INFO ]: ChcToBoogie took 64.08 ms. Allocated memory is still 305.7 MB. Free memory was 231.3 MB in the beginning and 228.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:49:53,494 INFO ]: Boogie Preprocessor took 101.56 ms. Allocated memory is still 305.7 MB. Free memory was 228.3 MB in the beginning and 226.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:49:53,496 INFO ]: RCFGBuilder took 574.45 ms. Allocated memory was 305.7 MB in the beginning and 328.2 MB in the end (delta: 22.5 MB). Free memory was 226.3 MB in the beginning and 298.2 MB in the end (delta: -71.9 MB). Peak memory consumption was 47.4 MB. Max. memory is 3.6 GB. [2018-06-22 19:49:53,497 INFO ]: TraceAbstraction took 78052.48 ms. Allocated memory was 328.2 MB in the beginning and 435.7 MB in the end (delta: 107.5 MB). Free memory was 298.2 MB in the beginning and 228.2 MB in the end (delta: 70.0 MB). Peak memory consumption was 191.9 MB. Max. memory is 3.6 GB. [2018-06-22 19:49:53,500 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 305.7 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 64.08 ms. Allocated memory is still 305.7 MB. Free memory was 231.3 MB in the beginning and 228.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 101.56 ms. Allocated memory is still 305.7 MB. Free memory was 228.3 MB in the beginning and 226.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 574.45 ms. Allocated memory was 305.7 MB in the beginning and 328.2 MB in the end (delta: 22.5 MB). Free memory was 226.3 MB in the beginning and 298.2 MB in the end (delta: -71.9 MB). Peak memory consumption was 47.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78052.48 ms. Allocated memory was 328.2 MB in the beginning and 435.7 MB in the end (delta: 107.5 MB). Free memory was 298.2 MB in the beginning and 228.2 MB in the end (delta: 70.0 MB). Peak memory consumption was 191.9 MB. 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 28568 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 77.9s 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, 0.0s 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/rtp_5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-49-53-519.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rtp_5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-49-53-519.csv Completed graceful shutdown