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_7.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:49:56,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:49:56,995 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:49:57,009 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:49:57,009 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:49:57,010 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:49:57,011 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:49:57,015 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:49:57,017 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:49:57,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:49:57,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:49:57,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:49:57,021 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:49:57,022 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:49:57,027 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:49:57,028 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:49:57,029 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:49:57,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:49:57,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:49:57,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:49:57,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:49:57,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:49:57,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:49:57,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:49:57,052 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:49:57,053 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:49:57,056 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:49:57,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:49:57,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:49:57,062 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:49:57,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:49:57,063 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:49:57,063 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:49:57,064 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:49:57,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:49:57,066 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 19:49:57,089 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:49:57,090 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:49:57,090 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:49:57,090 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:49:57,092 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:49:57,093 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:49:57,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:49:57,095 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:49:57,096 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:49:57,096 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:49:57,096 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:49:57,096 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:49:57,096 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:49:57,097 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:49:57,097 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:49:57,097 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:49:57,097 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:49:57,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:49:57,097 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:49:57,100 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:49:57,100 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:49:57,148 INFO ]: Repository-Root is: /tmp [2018-06-22 19:49:57,164 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:49:57,170 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:49:57,172 INFO ]: Initializing SmtParser... [2018-06-22 19:49:57,172 INFO ]: SmtParser initialized [2018-06-22 19:49:57,173 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_7.smt2 [2018-06-22 19:49:57,174 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 19:49:57,257 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_7.smt2 unknown [2018-06-22 19:49:57,884 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_7.smt2 [2018-06-22 19:49:57,888 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:49:57,905 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:49:57,906 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:49:57,906 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:49:57,906 INFO ]: ChcToBoogie initialized [2018-06-22 19:49:57,918 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:49:57" (1/1) ... [2018-06-22 19:49:57,998 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57 Unit [2018-06-22 19:49:57,999 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:49:57,999 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:49:57,999 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:49:57,999 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:49:58,026 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (1/1) ... [2018-06-22 19:49:58,026 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (1/1) ... [2018-06-22 19:49:58,041 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (1/1) ... [2018-06-22 19:49:58,041 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (1/1) ... [2018-06-22 19:49:58,052 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (1/1) ... [2018-06-22 19:49:58,053 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (1/1) ... [2018-06-22 19:49:58,058 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (1/1) ... [2018-06-22 19:49:58,064 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:49:58,064 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:49:58,064 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:49:58,064 INFO ]: RCFGBuilder initialized [2018-06-22 19:49:58,065 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (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 19:49:58,088 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:49:58,088 INFO ]: Found specification of procedure False [2018-06-22 19:49:58,088 INFO ]: Found implementation of procedure False [2018-06-22 19:49:58,088 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:49:58,088 INFO ]: Found specification of procedure state [2018-06-22 19:49:58,088 INFO ]: Found implementation of procedure state [2018-06-22 19:49:58,088 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:49:58,088 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:49:58,088 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 19:49:58,599 INFO ]: Using library mode [2018-06-22 19:49:58,599 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:49:58 BoogieIcfgContainer [2018-06-22 19:49:58,599 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:49:58,601 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:49:58,601 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:49:58,606 INFO ]: TraceAbstraction initialized [2018-06-22 19:49:58,606 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:49:57" (1/3) ... [2018-06-22 19:49:58,607 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48480ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:49:58, skipping insertion in model container [2018-06-22 19:49:58,607 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:49:57" (2/3) ... [2018-06-22 19:49:58,607 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48480ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:49:58, skipping insertion in model container [2018-06-22 19:49:58,607 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:49:58" (3/3) ... [2018-06-22 19:49:58,611 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:49:58,622 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:49:58,634 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:49:58,684 INFO ]: Using default assertion order modulation [2018-06-22 19:49:58,684 INFO ]: Interprodecural is true [2018-06-22 19:49:58,684 INFO ]: Hoare is false [2018-06-22 19:49:58,684 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:49:58,684 INFO ]: Backedges is TWOTRACK [2018-06-22 19:49:58,684 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:49:58,685 INFO ]: Difference is false [2018-06-22 19:49:58,685 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:49:58,685 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:49:58,702 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:49:58,717 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:49:58,717 INFO ]: Found error trace [2018-06-22 19:49:58,718 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:49:58,718 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:49:58,724 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 19:49:58,727 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:49:58,727 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:49:58,777 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:49:58,778 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:49:58,778 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:49:58,920 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:49:59,143 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:49:59,145 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:49:59,145 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:49:59,146 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:49:59,157 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:49:59,158 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:49:59,160 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:49:59,308 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:49:59,309 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:49:59,310 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:49:59,312 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:49:59,312 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:49:59,325 INFO ]: With dead ends: 13 [2018-06-22 19:49:59,325 INFO ]: Without dead ends: 13 [2018-06-22 19:49:59,327 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 19:49:59,346 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:49:59,380 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:49:59,381 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:49:59,382 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:49:59,383 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:49:59,383 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:49:59,383 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:49:59,383 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:49:59,383 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:49:59,385 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:49:59,385 INFO ]: Found error trace [2018-06-22 19:49:59,385 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:49:59,385 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:49:59,385 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 19:49:59,385 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:49:59,385 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:49:59,386 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:49:59,386 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:49:59,386 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:49:59,525 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:50:00,155 WARN ]: Spent 382.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2018-06-22 19:50:00,331 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:50:00,331 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:50:00,331 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 19:50:00,346 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 19:50:00,508 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:50:00,523 INFO ]: Computing forward predicates... [2018-06-22 19:50:00,762 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:50:00,803 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 19:50:00,972 WARN ]: Simplifying disjunction of 17064 conjuctions. This might take some time... [2018-06-22 19:50:56,329 INFO ]: Simplified to disjunction of 17064 conjuctions. [2018-06-22 19:50:56,510 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:50:56,521 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:50:56,559 WARN ]: Simplifying disjunction of 5688 conjuctions. This might take some time... [2018-06-22 19:51:01,237 INFO ]: Simplified to disjunction of 5688 conjuctions. [2018-06-22 19:51:01,265 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:51:01,292 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:51:01,433 WARN ]: Simplifying disjunction of 8532 conjuctions. This might take some time... [2018-06-22 19:51:10,062 INFO ]: Simplified to disjunction of 8532 conjuctions. [2018-06-22 19:51:10,096 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:51:10,099 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 19:51:10,206 WARN ]: Simplifying disjunction of 5688 conjuctions. This might take some time... [2018-06-22 19:51:11,922 INFO ]: Simplified to disjunction of 2844 conjuctions. [2018-06-22 19:51:11,931 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:51:11,936 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:51:11,999 WARN ]: Simplifying disjunction of 8532 conjuctions. This might take some time... [2018-06-22 19:51:17,806 INFO ]: Simplified to disjunction of 8532 conjuctions. [2018-06-22 19:51:17,832 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:51:17,836 WARN ]: expecting exponential blowup for input size 11 Received shutdown request... [2018-06-22 19:51:17,935 INFO ]: Timeout while computing interpolants [2018-06-22 19:51:18,136 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:51:18,136 WARN ]: Verification canceled [2018-06-22 19:51:18,143 WARN ]: Timeout [2018-06-22 19:51:18,143 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:51:18 BoogieIcfgContainer [2018-06-22 19:51:18,143 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:51:18,144 INFO ]: Toolchain (without parser) took 80255.31 ms. Allocated memory was 307.2 MB in the beginning and 396.9 MB in the end (delta: 89.7 MB). Free memory was 231.7 MB in the beginning and 194.9 MB in the end (delta: 36.8 MB). Peak memory consumption was 144.5 MB. Max. memory is 3.6 GB. [2018-06-22 19:51:18,145 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:51:18,145 INFO ]: ChcToBoogie took 93.42 ms. Allocated memory is still 307.2 MB. Free memory was 231.7 MB in the beginning and 227.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:51:18,151 INFO ]: Boogie Preprocessor took 64.34 ms. Allocated memory is still 307.2 MB. Free memory was 227.7 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:51:18,152 INFO ]: RCFGBuilder took 535.37 ms. Allocated memory was 307.2 MB in the beginning and 330.3 MB in the end (delta: 23.1 MB). Free memory was 225.7 MB in the beginning and 299.6 MB in the end (delta: -73.9 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. [2018-06-22 19:51:18,152 INFO ]: TraceAbstraction took 79542.74 ms. Allocated memory was 330.3 MB in the beginning and 396.9 MB in the end (delta: 66.6 MB). Free memory was 299.6 MB in the beginning and 194.9 MB in the end (delta: 104.7 MB). Peak memory consumption was 189.3 MB. Max. memory is 3.6 GB. [2018-06-22 19:51:18,166 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 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 93.42 ms. Allocated memory is still 307.2 MB. Free memory was 231.7 MB in the beginning and 227.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 64.34 ms. Allocated memory is still 307.2 MB. Free memory was 227.7 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 535.37 ms. Allocated memory was 307.2 MB in the beginning and 330.3 MB in the end (delta: 23.1 MB). Free memory was 225.7 MB in the beginning and 299.6 MB in the end (delta: -73.9 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79542.74 ms. Allocated memory was 330.3 MB in the beginning and 396.9 MB in the end (delta: 66.6 MB). Free memory was 299.6 MB in the beginning and 194.9 MB in the end (delta: 104.7 MB). Peak memory consumption was 189.3 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 transforming 11 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 79.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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/rtp_7.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-51-18-181.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rtp_7.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-51-18-181.csv Completed graceful shutdown