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_1_e1_14612_e7_1026.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:33:38,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:33:38,214 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:33:38,225 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:33:38,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:33:38,227 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:33:38,228 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:33:38,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:33:38,231 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:33:38,231 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:33:38,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:33:38,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:33:38,233 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:33:38,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:33:38,234 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:33:38,235 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:33:38,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:33:38,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:33:38,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:33:38,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:33:38,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:33:38,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:33:38,245 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:33:38,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:33:38,246 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:33:38,247 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:33:38,247 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:33:38,248 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:33:38,249 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:33:38,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:33:38,250 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:33:38,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:33:38,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:33:38,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:33:38,253 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:33:38,253 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 16:33:38,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:33:38,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:33:38,267 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:33:38,267 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:33:38,268 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:33:38,268 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:33:38,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:33:38,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:33:38,269 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:33:38,269 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:33:38,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:33:38,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:33:38,270 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:33:38,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:33:38,271 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:33:38,271 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:33:38,271 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:33:38,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:33:38,271 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:33:38,273 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:33:38,273 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:33:38,325 INFO ]: Repository-Root is: /tmp [2018-06-22 16:33:38,339 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:33:38,342 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:33:38,343 INFO ]: Initializing SmtParser... [2018-06-22 16:33:38,343 INFO ]: SmtParser initialized [2018-06-22 16:33:38,343 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1_e1_14612_e7_1026.smt2 [2018-06-22 16:33:38,345 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 16:33:38,442 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1_e1_14612_e7_1026.smt2 unknown [2018-06-22 16:33:39,093 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1_e1_14612_e7_1026.smt2 [2018-06-22 16:33:39,099 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:33:39,104 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:33:39,105 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:33:39,105 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:33:39,105 INFO ]: ChcToBoogie initialized [2018-06-22 16:33:39,108 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:33:39" (1/1) ... [2018-06-22 16:33:39,184 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39 Unit [2018-06-22 16:33:39,184 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:33:39,185 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:33:39,188 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:33:39,189 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:33:39,210 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (1/1) ... [2018-06-22 16:33:39,210 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (1/1) ... [2018-06-22 16:33:39,230 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (1/1) ... [2018-06-22 16:33:39,230 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (1/1) ... [2018-06-22 16:33:39,240 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (1/1) ... [2018-06-22 16:33:39,241 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (1/1) ... [2018-06-22 16:33:39,246 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (1/1) ... [2018-06-22 16:33:39,251 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:33:39,251 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:33:39,251 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:33:39,251 INFO ]: RCFGBuilder initialized [2018-06-22 16:33:39,252 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (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 16:33:39,275 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:33:39,275 INFO ]: Found specification of procedure False [2018-06-22 16:33:39,275 INFO ]: Found implementation of procedure False [2018-06-22 16:33:39,275 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:33:39,275 INFO ]: Found specification of procedure state [2018-06-22 16:33:39,275 INFO ]: Found implementation of procedure state [2018-06-22 16:33:39,275 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:33:39,275 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:33:39,275 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 16:33:39,736 INFO ]: Using library mode [2018-06-22 16:33:39,737 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:33:39 BoogieIcfgContainer [2018-06-22 16:33:39,737 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:33:39,741 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:33:39,741 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:33:39,746 INFO ]: TraceAbstraction initialized [2018-06-22 16:33:39,746 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:33:39" (1/3) ... [2018-06-22 16:33:39,747 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3fe44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:33:39, skipping insertion in model container [2018-06-22 16:33:39,747 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:33:39" (2/3) ... [2018-06-22 16:33:39,747 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3fe44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:33:39, skipping insertion in model container [2018-06-22 16:33:39,747 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:33:39" (3/3) ... [2018-06-22 16:33:39,749 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:33:39,759 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:33:39,769 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:33:39,813 INFO ]: Using default assertion order modulation [2018-06-22 16:33:39,813 INFO ]: Interprodecural is true [2018-06-22 16:33:39,813 INFO ]: Hoare is false [2018-06-22 16:33:39,813 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:33:39,813 INFO ]: Backedges is TWOTRACK [2018-06-22 16:33:39,813 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:33:39,813 INFO ]: Difference is false [2018-06-22 16:33:39,813 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:33:39,813 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:33:39,825 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:33:39,836 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:33:39,836 INFO ]: Found error trace [2018-06-22 16:33:39,837 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:33:39,837 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:33:39,844 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:33:39,846 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:33:39,846 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:33:39,880 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:33:39,880 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:33:39,880 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:33:40,012 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:33:40,353 WARN ]: Spent 190.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 4 [2018-06-22 16:33:40,356 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:33:40,358 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:33:40,358 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:33:40,360 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:33:40,375 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:33:40,375 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:33:40,377 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:33:40,536 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:33:40,536 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:33:40,537 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:33:40,538 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:33:40,539 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:33:40,547 INFO ]: With dead ends: 13 [2018-06-22 16:33:40,547 INFO ]: Without dead ends: 13 [2018-06-22 16:33:40,548 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 16:33:40,560 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:33:40,597 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:33:40,598 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:33:40,598 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:33:40,600 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:33:40,600 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:33:40,600 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:33:40,600 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:33:40,600 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:33:40,601 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:33:40,601 INFO ]: Found error trace [2018-06-22 16:33:40,601 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:33:40,601 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:33:40,602 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:33:40,602 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:33:40,602 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:33:40,602 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:33:40,602 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:33:40,602 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:33:40,730 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:33:41,762 WARN ]: Spent 740.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2018-06-22 16:33:42,206 WARN ]: Spent 328.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 8 [2018-06-22 16:33:42,208 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:33:42,208 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:33:42,208 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 16:33:42,217 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:33:42,377 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:33:42,393 INFO ]: Computing forward predicates... [2018-06-22 16:33:45,354 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:33:45,557 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:33:49,172 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:33:49,238 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:33:49,273 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:33:49,419 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:33:50,436 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:33:51,754 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:33:51,764 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:33:51,782 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:33:51,786 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:33:52,059 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:33:52,087 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:33:52,532 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:33:53,298 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:33:53,342 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:33:53,438 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:33:54,498 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:33:55,200 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:33:56,111 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:33:56,138 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:33:56,249 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:33:57,427 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:33:58,505 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:33:58,676 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:34:00,464 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 16:34:00,878 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:00,879 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:34:00,898 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:34:01,573 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:34:01,578 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:01,598 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:01,600 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:01,605 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:01,630 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:34:01,690 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:34:04,920 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:34:04,995 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:04,999 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:05,007 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:05,031 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:05,041 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:05,045 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:05,054 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:05,065 WARN ]: Simplifying disjunction of 6048 conjuctions. This might take some time... [2018-06-22 16:34:07,208 INFO ]: Simplified to disjunction of 6048 conjuctions. [2018-06-22 16:34:07,230 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:34:08,086 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:34:08,596 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:34:08,782 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:08,800 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:34:09,662 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:34:11,855 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:34:12,156 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:12,160 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:12,239 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:34:12,293 WARN ]: Simplifying disjunction of 8748 conjuctions. This might take some time... [2018-06-22 16:34:22,056 INFO ]: Simplified to disjunction of 8748 conjuctions. [2018-06-22 16:34:22,732 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:22,752 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:22,763 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:22,778 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:22,780 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:22,802 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:22,819 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:34:22,948 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:34:22,951 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:34:22,999 WARN ]: Simplifying disjunction of 8748 conjuctions. This might take some time... [2018-06-22 16:34:35,087 INFO ]: Simplified to disjunction of 8748 conjuctions. [2018-06-22 16:34:35,119 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:34:35,712 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:34:35,902 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:35,910 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:35,914 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:34:35,922 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:34:35,982 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:34:35,990 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:34:36,013 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:36,015 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:34:36,023 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:34:37,317 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:37,336 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:34:37,381 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:34:37,503 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:34:37,526 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:34:37,622 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:34:38,122 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:38,126 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:38,127 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:38,128 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:38,147 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:34:38,184 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:34:41,108 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:34:41,127 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:41,136 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:41,140 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:34:41,142 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:41,148 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:34:42,024 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:42,030 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:42,105 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:34:42,141 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:34:42,177 WARN ]: Simplifying disjunction of 25028 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:34:56,202 INFO ]: Timeout while computing interpolants [2018-06-22 16:34:56,402 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:34:56,403 WARN ]: Verification canceled [2018-06-22 16:34:56,408 WARN ]: Timeout [2018-06-22 16:34:56,408 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:34:56 BoogieIcfgContainer [2018-06-22 16:34:56,408 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:34:56,409 INFO ]: Toolchain (without parser) took 77309.42 ms. Allocated memory was 306.7 MB in the beginning and 688.4 MB in the end (delta: 381.7 MB). Free memory was 231.3 MB in the beginning and 562.3 MB in the end (delta: -330.9 MB). Peak memory consumption was 437.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:34:56,410 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 306.7 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:34:56,410 INFO ]: ChcToBoogie took 79.04 ms. Allocated memory is still 306.7 MB. Free memory was 230.3 MB in the beginning and 227.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:34:56,421 INFO ]: Boogie Preprocessor took 66.18 ms. Allocated memory is still 306.7 MB. Free memory was 227.3 MB in the beginning and 225.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:34:56,421 INFO ]: RCFGBuilder took 485.86 ms. Allocated memory was 306.7 MB in the beginning and 327.2 MB in the end (delta: 20.4 MB). Free memory was 225.3 MB in the beginning and 291.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:34:56,421 INFO ]: TraceAbstraction took 76667.16 ms. Allocated memory was 327.2 MB in the beginning and 688.4 MB in the end (delta: 361.2 MB). Free memory was 291.2 MB in the beginning and 562.3 MB in the end (delta: -271.1 MB). Peak memory consumption was 477.3 MB. Max. memory is 3.6 GB. [2018-06-22 16:34:56,424 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 306.7 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 79.04 ms. Allocated memory is still 306.7 MB. Free memory was 230.3 MB in the beginning and 227.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 66.18 ms. Allocated memory is still 306.7 MB. Free memory was 227.3 MB in the beginning and 225.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 485.86 ms. Allocated memory was 306.7 MB in the beginning and 327.2 MB in the end (delta: 20.4 MB). Free memory was 225.3 MB in the beginning and 291.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 76667.16 ms. Allocated memory was 327.2 MB in the beginning and 688.4 MB in the end (delta: 361.2 MB). Free memory was 291.2 MB in the beginning and 562.3 MB in the end (delta: -271.1 MB). Peak memory consumption was 477.3 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 25028 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 76.6s 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, 120 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_1_e1_14612_e7_1026.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-34-56-443.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_1_e1_14612_e7_1026.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-34-56-443.csv Completed graceful shutdown