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/two_counters_e7_222.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:47:59,369 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:47:59,371 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:47:59,384 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:47:59,385 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:47:59,386 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:47:59,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:47:59,391 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:47:59,394 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:47:59,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:47:59,395 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:47:59,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:47:59,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:47:59,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:47:59,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:47:59,401 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:47:59,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:47:59,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:47:59,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:47:59,414 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:47:59,415 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:47:59,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:47:59,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:47:59,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:47:59,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:47:59,423 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:47:59,425 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:47:59,426 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:47:59,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:47:59,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:47:59,428 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:47:59,433 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:47:59,433 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:47:59,434 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:47:59,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:47:59,435 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 20:47:59,453 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:47:59,455 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:47:59,456 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:47:59,456 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:47:59,457 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:47:59,457 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:47:59,457 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:47:59,458 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:47:59,458 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:47:59,458 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:47:59,458 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:47:59,459 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:47:59,459 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:47:59,459 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:47:59,459 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:47:59,459 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:47:59,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:47:59,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:47:59,460 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:47:59,462 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:47:59,463 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:47:59,503 INFO ]: Repository-Root is: /tmp [2018-06-22 20:47:59,521 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:47:59,527 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:47:59,529 INFO ]: Initializing SmtParser... [2018-06-22 20:47:59,529 INFO ]: SmtParser initialized [2018-06-22 20:47:59,530 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/two_counters_e7_222.smt2 [2018-06-22 20:47:59,532 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 20:47:59,627 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/two_counters_e7_222.smt2 unknown [2018-06-22 20:47:59,873 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/two_counters_e7_222.smt2 [2018-06-22 20:47:59,877 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:47:59,884 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:47:59,885 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:47:59,885 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:47:59,887 INFO ]: ChcToBoogie initialized [2018-06-22 20:47:59,891 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:47:59" (1/1) ... [2018-06-22 20:47:59,938 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59 Unit [2018-06-22 20:47:59,938 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:47:59,939 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:47:59,939 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:47:59,939 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:47:59,962 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (1/1) ... [2018-06-22 20:47:59,962 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (1/1) ... [2018-06-22 20:47:59,970 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (1/1) ... [2018-06-22 20:47:59,970 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (1/1) ... [2018-06-22 20:47:59,973 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (1/1) ... [2018-06-22 20:47:59,975 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (1/1) ... [2018-06-22 20:47:59,976 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (1/1) ... [2018-06-22 20:47:59,977 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:47:59,983 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:47:59,983 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:47:59,983 INFO ]: RCFGBuilder initialized [2018-06-22 20:47:59,984 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (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 20:47:59,997 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:47:59,997 INFO ]: Found specification of procedure False [2018-06-22 20:47:59,997 INFO ]: Found implementation of procedure False [2018-06-22 20:47:59,997 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:47:59,997 INFO ]: Found specification of procedure state [2018-06-22 20:47:59,997 INFO ]: Found implementation of procedure state [2018-06-22 20:47:59,998 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:47:59,998 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:47:59,998 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 20:48:00,224 INFO ]: Using library mode [2018-06-22 20:48:00,225 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:48:00 BoogieIcfgContainer [2018-06-22 20:48:00,225 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:48:00,226 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:48:00,226 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:48:00,229 INFO ]: TraceAbstraction initialized [2018-06-22 20:48:00,229 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:47:59" (1/3) ... [2018-06-22 20:48:00,230 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1373fe25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:48:00, skipping insertion in model container [2018-06-22 20:48:00,230 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:47:59" (2/3) ... [2018-06-22 20:48:00,230 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1373fe25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:48:00, skipping insertion in model container [2018-06-22 20:48:00,230 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:48:00" (3/3) ... [2018-06-22 20:48:00,232 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:48:00,242 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:48:00,250 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:48:00,286 INFO ]: Using default assertion order modulation [2018-06-22 20:48:00,286 INFO ]: Interprodecural is true [2018-06-22 20:48:00,286 INFO ]: Hoare is false [2018-06-22 20:48:00,286 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:48:00,286 INFO ]: Backedges is TWOTRACK [2018-06-22 20:48:00,286 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:48:00,286 INFO ]: Difference is false [2018-06-22 20:48:00,286 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:48:00,286 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:48:00,299 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:48:00,310 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:48:00,310 INFO ]: Found error trace [2018-06-22 20:48:00,311 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:48:00,311 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:48:00,316 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:48:00,318 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:48:00,319 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:48:00,356 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:48:00,356 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:48:00,356 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:48:00,392 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:48:00,563 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:48:00,565 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:48:00,565 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:48:00,567 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:48:00,582 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:48:00,582 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:48:00,585 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:48:00,685 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:48:00,686 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:48:00,686 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:48:00,687 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:48:00,687 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:48:00,696 INFO ]: With dead ends: 13 [2018-06-22 20:48:00,696 INFO ]: Without dead ends: 13 [2018-06-22 20:48:00,697 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 20:48:00,711 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:48:00,730 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:48:00,732 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:48:00,733 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:48:00,734 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:48:00,734 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:48:00,734 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:48:00,734 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:48:00,734 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:48:00,736 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:48:00,736 INFO ]: Found error trace [2018-06-22 20:48:00,736 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:48:00,737 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:48:00,737 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 20:48:00,737 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:48:00,737 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:48:00,738 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:48:00,738 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:48:00,738 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:48:00,772 INFO ]: Conjunction of SSA is sat [2018-06-22 20:48:00,774 INFO ]: Counterexample might be feasible [2018-06-22 20:48:00,792 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:48:00 BoogieIcfgContainer [2018-06-22 20:48:00,792 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:48:00,793 INFO ]: Toolchain (without parser) took 915.27 ms. Allocated memory is still 305.1 MB. Free memory was 259.5 MB in the beginning and 225.6 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 3.6 GB. [2018-06-22 20:48:00,795 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:48:00,795 INFO ]: ChcToBoogie took 54.14 ms. Allocated memory is still 305.1 MB. Free memory was 259.5 MB in the beginning and 257.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:48:00,796 INFO ]: Boogie Preprocessor took 38.42 ms. Allocated memory is still 305.1 MB. Free memory was 257.5 MB in the beginning and 255.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:48:00,796 INFO ]: RCFGBuilder took 241.68 ms. Allocated memory is still 305.1 MB. Free memory was 255.5 MB in the beginning and 245.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:48:00,802 INFO ]: TraceAbstraction took 566.37 ms. Allocated memory is still 305.1 MB. Free memory was 245.6 MB in the beginning and 225.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. [2018-06-22 20:48:00,805 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.14 ms. Allocated memory is still 305.1 MB. Free memory was 259.5 MB in the beginning and 257.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 38.42 ms. Allocated memory is still 305.1 MB. Free memory was 257.5 MB in the beginning and 255.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 241.68 ms. Allocated memory is still 305.1 MB. Free memory was 255.5 MB in the beginning and 245.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 566.37 ms. Allocated memory is still 305.1 MB. Free memory was 245.6 MB in the beginning and 225.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call False(); [L0] assume !hbv_False_1_Bool; [L0] CALL call state(hbv_False_2_Int, hbv_False_3_Bool, hbv_False_4_Bool, hbv_False_5_Int, hbv_False_6_Bool, hbv_False_7_Bool, hbv_False_8_Bool, hbv_False_9_Bool, hbv_False_10_Bool, hbv_False_11_Bool, hbv_False_1_Bool, hbv_False_12_Bool, hbv_False_13_Int); [L0] assume (((((((((((((((((((!((hbv_state_9_Bool || hbv_state_10_Bool) && (!hbv_state_9_Bool || !hbv_state_10_Bool)) && !((hhv_state_6_Bool || hhv_state_2_Bool) && (!hhv_state_6_Bool || !hhv_state_2_Bool))) && !((hbv_state_4_Bool || hbv_state_3_Bool) && (!hbv_state_3_Bool || !hbv_state_4_Bool))) && !((!hbv_state_7_Bool || hhv_state_2_Bool) && (hbv_state_7_Bool || !hhv_state_2_Bool))) && !(((hhv_state_10_Bool || (hhv_state_8_Bool && hhv_state_9_Bool)) || (!hhv_state_8_Bool && !hhv_state_9_Bool)) && (((hhv_state_8_Bool || hhv_state_9_Bool) && (!hhv_state_8_Bool || !hhv_state_9_Bool)) || !hhv_state_10_Bool))) && !((!hbv_state_11_Bool || !hbv_state_5_Bool) && (hbv_state_11_Bool || hbv_state_5_Bool))) && !((!hbv_state_11_Bool || (!hbv_state_9_Bool && !hbv_state_7_Bool)) && ((hbv_state_9_Bool || hbv_state_7_Bool) || hbv_state_11_Bool))) && hhv_state_0_Int == hhv_state_12_Int) && hhv_state_3_Int == hhv_state_0_Int) && !(!(hhv_state_12_Int == 0) && hbv_state_2_Int == 3)) && !((!hhv_state_7_Bool || (!hhv_state_5_Bool && !hhv_state_6_Bool)) && ((hhv_state_6_Bool || hhv_state_5_Bool) || hhv_state_7_Bool))) && !((hhv_state_1_Bool || hhv_state_5_Bool) && (!hhv_state_5_Bool || !hhv_state_1_Bool))) && !((!hbv_state_7_Bool || !hbv_state_8_Bool) && (hbv_state_8_Bool || hbv_state_7_Bool))) && !((hhv_state_9_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_9_Bool))) && !((!hbv_state_9_Bool || !hhv_state_1_Bool) && (hbv_state_9_Bool || hhv_state_1_Bool))) && !((!hhv_state_8_Bool || !hhv_state_4_Bool) && (hhv_state_8_Bool || hhv_state_4_Bool))) && !((hhv_state_3_Int == 2 || hhv_state_4_Bool) && (!(hhv_state_3_Int == 2) || !hhv_state_4_Bool))) && hbv_state_1_Int == hbv_state_2_Int) && !((((hbv_state_4_Bool || hbv_state_5_Bool) && (!hbv_state_4_Bool || !hbv_state_5_Bool)) || !hbv_state_6_Bool) && ((hbv_state_6_Bool || (hbv_state_4_Bool && hbv_state_5_Bool)) || (!hbv_state_4_Bool && !hbv_state_5_Bool)))) && !((hbv_state_3_Bool || hbv_state_2_Int == 2) && (!hbv_state_3_Bool || !(hbv_state_2_Int == 2)))) && !(!(hbv_state_2_Int == 3) && !(hbv_state_2_Int + -1 * hhv_state_12_Int == -1)); [L0] CALL call state(hbv_state_1_Int, hbv_state_8_Bool, hbv_state_10_Bool, hbv_state_2_Int, hbv_state_3_Bool, hbv_state_7_Bool, hbv_state_9_Bool, hbv_state_11_Bool, hbv_state_4_Bool, hbv_state_5_Bool, hbv_state_6_Bool, hbv_state_12_Bool, hbv_state_13_Int); [L0] assume (((((((((!hhv_state_2_Bool && !((((hhv_state_8_Bool || hhv_state_9_Bool) && (!hhv_state_8_Bool || !hhv_state_9_Bool)) || !hhv_state_10_Bool) && ((hhv_state_10_Bool || (hhv_state_8_Bool && hhv_state_9_Bool)) || (!hhv_state_8_Bool && !hhv_state_9_Bool)))) && !((!hhv_state_7_Bool || !hhv_state_9_Bool) && (hhv_state_7_Bool || hhv_state_9_Bool))) && !hhv_state_1_Bool) && !((hhv_state_6_Bool || hhv_state_2_Bool) && (!hhv_state_6_Bool || !hhv_state_2_Bool))) && !((!hhv_state_7_Bool || (!hhv_state_6_Bool && !hhv_state_5_Bool)) && ((hhv_state_6_Bool || hhv_state_5_Bool) || hhv_state_7_Bool))) && hhv_state_0_Int == hhv_state_3_Int) && !((hhv_state_4_Bool || hhv_state_3_Int == 2) && (!hhv_state_4_Bool || !(hhv_state_3_Int == 2)))) && hhv_state_0_Int == 0) && !((hhv_state_8_Bool || hhv_state_4_Bool) && (!hhv_state_4_Bool || !hhv_state_8_Bool))) && !((!hhv_state_5_Bool || !hhv_state_1_Bool) && (hhv_state_1_Bool || hhv_state_5_Bool)); [L0] RET call state(hbv_state_1_Int, hbv_state_8_Bool, hbv_state_10_Bool, hbv_state_2_Int, hbv_state_3_Bool, hbv_state_7_Bool, hbv_state_9_Bool, hbv_state_11_Bool, hbv_state_4_Bool, hbv_state_5_Bool, hbv_state_6_Bool, hbv_state_12_Bool, hbv_state_13_Int); [L0] RET call state(hbv_False_2_Int, hbv_False_3_Bool, hbv_False_4_Bool, hbv_False_5_Int, hbv_False_6_Bool, hbv_False_7_Bool, hbv_False_8_Bool, hbv_False_9_Bool, hbv_False_10_Bool, hbv_False_11_Bool, hbv_False_1_Bool, hbv_False_12_Bool, hbv_False_13_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.5s 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, 0.0s 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 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 proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/two_counters_e7_222.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-48-00-823.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/two_counters_e7_222.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-48-00-823.csv Received shutdown request...