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/llreve/barthe2_safe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:57:40,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:57:40,922 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:57:40,934 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:57:40,934 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:57:40,935 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:57:40,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:57:40,940 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:57:40,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:57:40,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:57:40,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:57:40,944 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:57:40,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:57:40,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:57:40,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:57:40,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:57:40,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:57:40,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:57:40,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:57:40,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:57:40,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:57:40,960 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:57:40,961 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:57:40,961 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:57:40,961 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:57:40,962 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:57:40,963 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:57:40,964 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:57:40,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:57:40,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:57:40,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:57:40,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:57:40,967 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:57:40,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:57:40,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:57:40,968 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 10:57:40,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:57:40,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:57:40,985 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:57:40,985 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:57:40,991 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:57:40,992 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:57:40,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:57:40,992 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:57:40,992 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:57:40,993 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:57:40,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:57:40,993 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:57:40,993 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:57:40,993 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:57:40,994 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:57:40,994 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:57:40,994 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:57:40,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:57:40,994 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:57:40,996 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:57:40,996 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:57:41,050 INFO ]: Repository-Root is: /tmp [2018-06-22 10:57:41,064 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:57:41,070 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:57:41,072 INFO ]: Initializing SmtParser... [2018-06-22 10:57:41,072 INFO ]: SmtParser initialized [2018-06-22 10:57:41,073 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2_safe.c-1.smt2 [2018-06-22 10:57:41,074 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 10:57:41,168 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2_safe.c-1.smt2 unknown [2018-06-22 10:57:41,347 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2_safe.c-1.smt2 [2018-06-22 10:57:41,351 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:57:41,364 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:57:41,365 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:57:41,365 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:57:41,365 INFO ]: ChcToBoogie initialized [2018-06-22 10:57:41,368 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:57:41" (1/1) ... [2018-06-22 10:57:41,417 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41 Unit [2018-06-22 10:57:41,417 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:57:41,417 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:57:41,417 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:57:41,417 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:57:41,440 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (1/1) ... [2018-06-22 10:57:41,440 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (1/1) ... [2018-06-22 10:57:41,447 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (1/1) ... [2018-06-22 10:57:41,447 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (1/1) ... [2018-06-22 10:57:41,449 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (1/1) ... [2018-06-22 10:57:41,452 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (1/1) ... [2018-06-22 10:57:41,453 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (1/1) ... [2018-06-22 10:57:41,454 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:57:41,455 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:57:41,455 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:57:41,455 INFO ]: RCFGBuilder initialized [2018-06-22 10:57:41,456 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (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 10:57:41,471 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:57:41,471 INFO ]: Found specification of procedure False [2018-06-22 10:57:41,471 INFO ]: Found implementation of procedure False [2018-06-22 10:57:41,471 INFO ]: Specification and implementation of procedure inv_main25 given in one single declaration [2018-06-22 10:57:41,471 INFO ]: Found specification of procedure inv_main25 [2018-06-22 10:57:41,471 INFO ]: Found implementation of procedure inv_main25 [2018-06-22 10:57:41,471 INFO ]: Specification and implementation of procedure inv_main19 given in one single declaration [2018-06-22 10:57:41,471 INFO ]: Found specification of procedure inv_main19 [2018-06-22 10:57:41,471 INFO ]: Found implementation of procedure inv_main19 [2018-06-22 10:57:41,471 INFO ]: Specification and implementation of procedure inv_main8 given in one single declaration [2018-06-22 10:57:41,471 INFO ]: Found specification of procedure inv_main8 [2018-06-22 10:57:41,471 INFO ]: Found implementation of procedure inv_main8 [2018-06-22 10:57:41,471 INFO ]: Specification and implementation of procedure inv_main3 given in one single declaration [2018-06-22 10:57:41,471 INFO ]: Found specification of procedure inv_main3 [2018-06-22 10:57:41,471 INFO ]: Found implementation of procedure inv_main3 [2018-06-22 10:57:41,471 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:57:41,471 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:57:41,471 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 10:57:41,751 INFO ]: Using library mode [2018-06-22 10:57:41,752 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:57:41 BoogieIcfgContainer [2018-06-22 10:57:41,752 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:57:41,753 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:57:41,753 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:57:41,756 INFO ]: TraceAbstraction initialized [2018-06-22 10:57:41,756 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:57:41" (1/3) ... [2018-06-22 10:57:41,757 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c49eecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:57:41, skipping insertion in model container [2018-06-22 10:57:41,757 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:57:41" (2/3) ... [2018-06-22 10:57:41,757 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c49eecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:57:41, skipping insertion in model container [2018-06-22 10:57:41,758 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:57:41" (3/3) ... [2018-06-22 10:57:41,759 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:57:41,768 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:57:41,776 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:57:41,833 INFO ]: Using default assertion order modulation [2018-06-22 10:57:41,834 INFO ]: Interprodecural is true [2018-06-22 10:57:41,834 INFO ]: Hoare is false [2018-06-22 10:57:41,834 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:57:41,834 INFO ]: Backedges is TWOTRACK [2018-06-22 10:57:41,834 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:57:41,834 INFO ]: Difference is false [2018-06-22 10:57:41,834 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:57:41,835 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:57:41,850 INFO ]: Start isEmpty. Operand 26 states. [2018-06-22 10:57:41,869 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:57:41,870 INFO ]: Found error trace [2018-06-22 10:57:41,870 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:57:41,872 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:57:41,875 INFO ]: Analyzing trace with hash -1195043724, now seen corresponding path program 1 times [2018-06-22 10:57:41,877 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:57:41,877 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:57:41,914 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:57:41,914 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:57:41,914 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:57:41,960 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:57:42,110 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:57:42,112 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:57:42,112 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 10:57:42,114 INFO ]: Interpolant automaton has 7 states [2018-06-22 10:57:42,125 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 10:57:42,125 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 10:57:42,127 INFO ]: Start difference. First operand 26 states. Second operand 7 states. [2018-06-22 10:57:42,263 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:57:42,263 INFO ]: Finished difference Result 32 states and 37 transitions. [2018-06-22 10:57:42,263 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 10:57:42,264 INFO ]: Start accepts. Automaton has 7 states. Word has length 21 [2018-06-22 10:57:42,265 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:57:42,273 INFO ]: With dead ends: 32 [2018-06-22 10:57:42,273 INFO ]: Without dead ends: 30 [2018-06-22 10:57:42,275 INFO ]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-06-22 10:57:42,289 INFO ]: Start minimizeSevpa. Operand 30 states. [2018-06-22 10:57:42,311 INFO ]: Finished minimizeSevpa. Reduced states from 30 to 28. [2018-06-22 10:57:42,312 INFO ]: Start removeUnreachable. Operand 28 states. [2018-06-22 10:57:42,313 INFO ]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2018-06-22 10:57:42,315 INFO ]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 21 [2018-06-22 10:57:42,315 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:57:42,315 INFO ]: Abstraction has 28 states and 32 transitions. [2018-06-22 10:57:42,315 INFO ]: Interpolant automaton has 7 states. [2018-06-22 10:57:42,315 INFO ]: Start isEmpty. Operand 28 states and 32 transitions. [2018-06-22 10:57:42,317 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:57:42,317 INFO ]: Found error trace [2018-06-22 10:57:42,317 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:57:42,317 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:57:42,317 INFO ]: Analyzing trace with hash -1568019335, now seen corresponding path program 1 times [2018-06-22 10:57:42,317 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:57:42,317 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:57:42,318 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:57:42,318 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:57:42,318 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:57:42,338 INFO ]: Conjunction of SSA is sat [2018-06-22 10:57:42,343 INFO ]: Counterexample might be feasible [2018-06-22 10:57:42,366 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:57:42 BoogieIcfgContainer [2018-06-22 10:57:42,366 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:57:42,369 INFO ]: Toolchain (without parser) took 1015.16 ms. Allocated memory is still 308.8 MB. Free memory was 263.2 MB in the beginning and 223.1 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:57:42,370 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:57:42,370 INFO ]: ChcToBoogie took 52.37 ms. Allocated memory is still 308.8 MB. Free memory was 263.2 MB in the beginning and 261.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:57:42,371 INFO ]: Boogie Preprocessor took 37.13 ms. Allocated memory is still 308.8 MB. Free memory was 261.2 MB in the beginning and 259.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:57:42,371 INFO ]: RCFGBuilder took 296.54 ms. Allocated memory is still 308.8 MB. Free memory was 259.2 MB in the beginning and 251.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:57:42,373 INFO ]: TraceAbstraction took 612.69 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 223.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:57:42,376 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 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 52.37 ms. Allocated memory is still 308.8 MB. Free memory was 263.2 MB in the beginning and 261.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 37.13 ms. Allocated memory is still 308.8 MB. Free memory was 261.2 MB in the beginning and 259.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 296.54 ms. Allocated memory is still 308.8 MB. Free memory was 259.2 MB in the beginning and 251.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 612.69 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 223.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 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_Int == hbv_False_2_Int); [L0] CALL call inv_main25(hbv_False_3_Int, hbv_False_1_Int, hbv_False_2_Int); [L0] assume !(!(hbv_inv_main25_3_Int == 0) && 0 <= hbv_inv_main25_1_Int + -1 * hbv_inv_main25_2_Int); [L0] CALL call inv_main19(hhv_inv_main25_0_Int, hhv_inv_main25_1_Int, hbv_inv_main25_1_Int, hbv_inv_main25_2_Int, hhv_inv_main25_2_Int); [L0] assume ((!(hbv_inv_main19_1_Int == 0) && hhv_inv_main19_4_Int == hbv_inv_main19_2_Int + hbv_inv_main19_3_Int) && 0 <= hhv_inv_main19_2_Int + -1 * hbv_inv_main19_3_Int) && hhv_inv_main19_3_Int == hbv_inv_main19_3_Int + 1; [L0] CALL call inv_main19(hhv_inv_main19_0_Int, hhv_inv_main19_1_Int, hhv_inv_main19_2_Int, hbv_inv_main19_3_Int, hbv_inv_main19_2_Int); [L0] assume ((hhv_inv_main19_2_Int == hhv_inv_main19_0_Int && hhv_inv_main19_3_Int == 1) && hhv_inv_main19_4_Int == 0) && !(!(hbv_inv_main19_3_Int == 0) && 0 <= hbv_inv_main19_1_Int + -1 * hbv_inv_main19_2_Int); [L0] CALL call inv_main8(hhv_inv_main19_0_Int, hbv_inv_main19_1_Int, hbv_inv_main19_2_Int, hhv_inv_main19_1_Int); [L0] assume (hhv_inv_main8_1_Int == hhv_inv_main8_0_Int && hhv_inv_main8_2_Int == 0) && hhv_inv_main8_3_Int == 0; [L0] CALL call inv_main3(hhv_inv_main8_0_Int); [L0] assume true; [L0] RET call inv_main3(hhv_inv_main8_0_Int); [L0] RET call inv_main8(hhv_inv_main19_0_Int, hbv_inv_main19_1_Int, hbv_inv_main19_2_Int, hhv_inv_main19_1_Int); [L0] RET call inv_main19(hhv_inv_main19_0_Int, hhv_inv_main19_1_Int, hhv_inv_main19_2_Int, hbv_inv_main19_3_Int, hbv_inv_main19_2_Int); [L0] RET call inv_main19(hhv_inv_main25_0_Int, hhv_inv_main25_1_Int, hbv_inv_main25_1_Int, hbv_inv_main25_2_Int, hhv_inv_main25_2_Int); [L0] RET call inv_main25(hbv_False_3_Int, hbv_False_1_Int, hbv_False_2_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 26 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 3 SDslu, 100 SDs, 0 SdLazy, 34 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=1, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 780 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/barthe2_safe.c-1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-57-42-399.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/barthe2_safe.c-1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-57-42-399.csv Received shutdown request...