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/eldarica-misc/LIA/reve/020c-horn.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:18:54,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:18:54,516 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:18:54,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:18:54,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:18:54,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:18:54,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:18:54,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:18:54,537 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:18:54,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:18:54,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:18:54,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:18:54,541 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:18:54,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:18:54,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:18:54,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:18:54,558 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:18:54,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:18:54,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:18:54,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:18:54,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:18:54,566 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:18:54,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:18:54,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:18:54,568 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:18:54,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:18:54,570 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:18:54,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:18:54,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:18:54,572 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:18:54,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:18:54,573 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:18:54,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:18:54,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:18:54,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:18:54,575 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 11:18:54,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:18:54,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:18:54,604 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:18:54,604 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:18:54,605 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:18:54,605 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:18:54,605 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:18:54,605 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:18:54,606 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:18:54,606 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:18:54,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:18:54,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:18:54,607 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:18:54,607 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:18:54,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:18:54,608 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:18:54,608 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:18:54,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:18:54,608 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:18:54,610 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:18:54,611 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:18:54,655 INFO ]: Repository-Root is: /tmp [2018-06-22 11:18:54,670 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:18:54,675 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:18:54,676 INFO ]: Initializing SmtParser... [2018-06-22 11:18:54,676 INFO ]: SmtParser initialized [2018-06-22 11:18:54,677 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/reve/020c-horn.smt2 [2018-06-22 11:18:54,678 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 11:18:54,769 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/reve/020c-horn.smt2 unknown [2018-06-22 11:18:54,956 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/reve/020c-horn.smt2 [2018-06-22 11:18:54,965 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:18:54,971 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:18:54,971 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:18:54,971 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:18:54,971 INFO ]: ChcToBoogie initialized [2018-06-22 11:18:54,975 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:18:54" (1/1) ... [2018-06-22 11:18:55,022 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55 Unit [2018-06-22 11:18:55,022 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:18:55,023 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:18:55,023 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:18:55,023 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:18:55,040 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (1/1) ... [2018-06-22 11:18:55,040 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (1/1) ... [2018-06-22 11:18:55,045 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (1/1) ... [2018-06-22 11:18:55,045 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (1/1) ... [2018-06-22 11:18:55,047 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (1/1) ... [2018-06-22 11:18:55,048 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (1/1) ... [2018-06-22 11:18:55,049 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (1/1) ... [2018-06-22 11:18:55,050 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:18:55,051 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:18:55,051 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:18:55,051 INFO ]: RCFGBuilder initialized [2018-06-22 11:18:55,052 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (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 11:18:55,067 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:18:55,067 INFO ]: Found specification of procedure False [2018-06-22 11:18:55,067 INFO ]: Found implementation of procedure False [2018-06-22 11:18:55,067 INFO ]: Specification and implementation of procedure INV1 given in one single declaration [2018-06-22 11:18:55,067 INFO ]: Found specification of procedure INV1 [2018-06-22 11:18:55,067 INFO ]: Found implementation of procedure INV1 [2018-06-22 11:18:55,067 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:18:55,067 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:18:55,067 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:18:55,220 INFO ]: Using library mode [2018-06-22 11:18:55,221 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:18:55 BoogieIcfgContainer [2018-06-22 11:18:55,221 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:18:55,222 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:18:55,222 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:18:55,236 INFO ]: TraceAbstraction initialized [2018-06-22 11:18:55,236 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:18:54" (1/3) ... [2018-06-22 11:18:55,237 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fd5cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:18:55, skipping insertion in model container [2018-06-22 11:18:55,237 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:18:55" (2/3) ... [2018-06-22 11:18:55,238 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fd5cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:18:55, skipping insertion in model container [2018-06-22 11:18:55,238 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:18:55" (3/3) ... [2018-06-22 11:18:55,239 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:18:55,248 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:18:55,268 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:18:55,339 INFO ]: Using default assertion order modulation [2018-06-22 11:18:55,340 INFO ]: Interprodecural is true [2018-06-22 11:18:55,340 INFO ]: Hoare is false [2018-06-22 11:18:55,340 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:18:55,340 INFO ]: Backedges is TWOTRACK [2018-06-22 11:18:55,340 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:18:55,340 INFO ]: Difference is false [2018-06-22 11:18:55,340 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:18:55,340 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:18:55,353 INFO ]: Start isEmpty. Operand 15 states. [2018-06-22 11:18:55,364 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 11:18:55,365 INFO ]: Found error trace [2018-06-22 11:18:55,365 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:18:55,366 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:18:55,369 INFO ]: Analyzing trace with hash -1036880812, now seen corresponding path program 1 times [2018-06-22 11:18:55,371 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:18:55,371 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:18:55,403 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:18:55,403 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:18:55,403 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:18:55,441 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:18:55,574 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:18:55,576 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:18:55,576 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 11:18:55,577 INFO ]: Interpolant automaton has 4 states [2018-06-22 11:18:55,591 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 11:18:55,592 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:18:55,594 INFO ]: Start difference. First operand 15 states. Second operand 4 states. [2018-06-22 11:18:55,723 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:18:55,723 INFO ]: Finished difference Result 15 states and 22 transitions. [2018-06-22 11:18:55,723 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 11:18:55,724 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 11:18:55,725 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:18:55,733 INFO ]: With dead ends: 15 [2018-06-22 11:18:55,733 INFO ]: Without dead ends: 15 [2018-06-22 11:18:55,734 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 11:18:55,746 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 11:18:55,773 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 11:18:55,775 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 11:18:55,776 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2018-06-22 11:18:55,777 INFO ]: Start accepts. Automaton has 15 states and 22 transitions. Word has length 9 [2018-06-22 11:18:55,778 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:18:55,778 INFO ]: Abstraction has 15 states and 22 transitions. [2018-06-22 11:18:55,778 INFO ]: Interpolant automaton has 4 states. [2018-06-22 11:18:55,778 INFO ]: Start isEmpty. Operand 15 states and 22 transitions. [2018-06-22 11:18:55,780 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 11:18:55,780 INFO ]: Found error trace [2018-06-22 11:18:55,781 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:18:55,781 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:18:55,781 INFO ]: Analyzing trace with hash -929726366, now seen corresponding path program 1 times [2018-06-22 11:18:55,781 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:18:55,781 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:18:55,782 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:18:55,782 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:18:55,782 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:18:55,798 INFO ]: Conjunction of SSA is sat [2018-06-22 11:18:55,802 INFO ]: Counterexample might be feasible [2018-06-22 11:18:55,822 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:18:55 BoogieIcfgContainer [2018-06-22 11:18:55,822 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:18:55,823 INFO ]: Toolchain (without parser) took 857.63 ms. Allocated memory is still 304.1 MB. Free memory was 260.6 MB in the beginning and 227.6 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:18:55,824 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:18:55,825 INFO ]: ChcToBoogie took 51.06 ms. Allocated memory is still 304.1 MB. Free memory was 260.6 MB in the beginning and 258.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:18:55,826 INFO ]: Boogie Preprocessor took 27.70 ms. Allocated memory is still 304.1 MB. Free memory was 258.6 MB in the beginning and 257.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:18:55,827 INFO ]: RCFGBuilder took 170.04 ms. Allocated memory is still 304.1 MB. Free memory was 256.6 MB in the beginning and 249.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:18:55,827 INFO ]: TraceAbstraction took 600.01 ms. Allocated memory is still 304.1 MB. Free memory was 249.6 MB in the beginning and 227.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:18:55,835 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 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 51.06 ms. Allocated memory is still 304.1 MB. Free memory was 260.6 MB in the beginning and 258.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 27.70 ms. Allocated memory is still 304.1 MB. Free memory was 258.6 MB in the beginning and 257.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 170.04 ms. Allocated memory is still 304.1 MB. Free memory was 256.6 MB in the beginning and 249.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 600.01 ms. Allocated memory is still 304.1 MB. Free memory was 249.6 MB in the beginning and 227.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 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_3_Int + hbv_False_3_Int - hbv_False_4_Int + -1 >= 0) && !(hbv_False_6_Int == hbv_False_7_Int)) && hbv_False_1_Int == hbv_False_2_Int) && !(hbv_False_5_Int + -1 >= 0); [L0] CALL call INV1(hbv_False_3_Int, hbv_False_4_Int, hbv_False_6_Int, hbv_False_8_Int, hbv_False_5_Int, hbv_False_7_Int); [L0] assume (((hbv_INV1_1_Int + -1 >= 0 && !(hhv_INV1_0_Int + hhv_INV1_0_Int - hhv_INV1_1_Int + -1 >= 0)) && hbv_INV1_2_Int + 2 == hhv_INV1_5_Int) && hbv_INV1_1_Int + -1 == hhv_INV1_4_Int) && hbv_INV1_3_Int == hbv_INV1_4_Int; [L0] CALL call INV1(hhv_INV1_0_Int, hhv_INV1_1_Int, hhv_INV1_2_Int, hhv_INV1_3_Int, hbv_INV1_1_Int, hbv_INV1_2_Int); [L0] assume (((-1 * hhv_INV1_1_Int == 0 && -1 * hhv_INV1_2_Int == 0) && -1 * hhv_INV1_5_Int == 0) && hhv_INV1_3_Int + 1 == hhv_INV1_4_Int) && hhv_INV1_0_Int == hhv_INV1_3_Int; [L0] RET call INV1(hhv_INV1_0_Int, hhv_INV1_1_Int, hhv_INV1_2_Int, hhv_INV1_3_Int, hbv_INV1_1_Int, hbv_INV1_2_Int); [L0] RET call INV1(hbv_False_3_Int, hbv_False_4_Int, hbv_False_6_Int, hbv_False_8_Int, hbv_False_5_Int, hbv_False_7_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 1 SDslu, 19 SDs, 0 SdLazy, 16 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=15occurred 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, 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 proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/020c-horn.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-18-55-850.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/020c-horn.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-18-55-850.csv Received shutdown request...