java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/llreve/barthe_unsafe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 20:46:44,876 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 20:46:44,877 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 20:46:44,891 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 20:46:44,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 20:46:44,892 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 20:46:44,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 20:46:44,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 20:46:44,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 20:46:44,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 20:46:44,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 20:46:44,902 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 20:46:44,903 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 20:46:44,904 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 20:46:44,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 20:46:44,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 20:46:44,911 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 20:46:44,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 20:46:44,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 20:46:44,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 20:46:44,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 20:46:44,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 20:46:44,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 20:46:44,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 20:46:44,921 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 20:46:44,922 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 20:46:44,923 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 20:46:44,924 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 20:46:44,925 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 20:46:44,925 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 20:46:44,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 20:46:44,926 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 20:46:44,926 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 20:46:44,927 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 20:46:44,928 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 20:46:44,928 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 20:46:44,944 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 20:46:44,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 20:46:44,944 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 20:46:44,944 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 20:46:44,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 20:46:44,945 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 20:46:44,946 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 20:46:44,946 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 20:46:44,946 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 20:46:44,946 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 20:46:44,946 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 20:46:44,947 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 20:46:44,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 20:46:44,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 20:46:44,947 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 20:46:44,947 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 20:46:44,947 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 20:46:44,948 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 20:46:44,948 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 20:46:44,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 20:46:44,948 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 20:46:44,949 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 20:46:44,950 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 20:46:44,989 INFO ]: Repository-Root is: /tmp [2018-06-24 20:46:45,008 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 20:46:45,013 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 20:46:45,014 INFO ]: Initializing SmtParser... [2018-06-24 20:46:45,015 INFO ]: SmtParser initialized [2018-06-24 20:46:45,015 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/barthe_unsafe.c-1.smt2 [2018-06-24 20:46:45,017 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 [2018-06-24 20:46:45,113 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/barthe_unsafe.c-1.smt2 unknown [2018-06-24 20:46:45,290 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/barthe_unsafe.c-1.smt2 [2018-06-24 20:46:45,305 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 20:46:45,309 INFO ]: Walking toolchain with 5 elements. [2018-06-24 20:46:45,310 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 20:46:45,310 INFO ]: Initializing ChcToBoogie... [2018-06-24 20:46:45,310 INFO ]: ChcToBoogie initialized [2018-06-24 20:46:45,313 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,377 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45 Unit [2018-06-24 20:46:45,378 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 20:46:45,378 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 20:46:45,378 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 20:46:45,378 INFO ]: Boogie Preprocessor initialized [2018-06-24 20:46:45,404 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,404 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,411 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,412 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,415 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,417 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,417 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,420 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 20:46:45,421 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 20:46:45,421 INFO ]: Initializing RCFGBuilder... [2018-06-24 20:46:45,421 INFO ]: RCFGBuilder initialized [2018-06-24 20:46:45,430 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (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) [2018-06-24 20:46:45,445 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 20:46:45,445 INFO ]: Found specification of procedure gotoProc [2018-06-24 20:46:45,445 INFO ]: Found implementation of procedure gotoProc [2018-06-24 20:46:45,445 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 20:46:45,445 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 20:46:45,446 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 [2018-06-24 20:46:45,751 INFO ]: Using library mode [2018-06-24 20:46:45,752 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:46:45 BoogieIcfgContainer [2018-06-24 20:46:45,752 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 20:46:45,752 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 20:46:45,752 INFO ]: Initializing BlockEncodingV2... [2018-06-24 20:46:45,755 INFO ]: BlockEncodingV2 initialized [2018-06-24 20:46:45,756 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:46:45" (1/1) ... [2018-06-24 20:46:45,774 INFO ]: Initial Icfg 13 locations, 15 edges [2018-06-24 20:46:45,776 INFO ]: Using Remove infeasible edges [2018-06-24 20:46:45,776 INFO ]: Using Maximize final states [2018-06-24 20:46:45,777 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 20:46:45,777 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 20:46:45,782 INFO ]: Using Remove sink states [2018-06-24 20:46:45,783 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 20:46:45,783 INFO ]: Using Use SBE [2018-06-24 20:46:45,799 INFO ]: SBE split 2 edges [2018-06-24 20:46:45,803 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-24 20:46:45,805 INFO ]: 0 new accepting states [2018-06-24 20:46:45,855 INFO ]: Removed 9 edges and 4 locations by large block encoding [2018-06-24 20:46:45,857 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 20:46:45,858 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 20:46:45,858 INFO ]: 0 new accepting states [2018-06-24 20:46:45,858 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 20:46:45,858 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 20:46:45,859 INFO ]: Encoded RCFG 7 locations, 11 edges [2018-06-24 20:46:45,859 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 08:46:45 BasicIcfg [2018-06-24 20:46:45,859 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 20:46:45,859 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 20:46:45,859 INFO ]: Initializing TraceAbstraction... [2018-06-24 20:46:45,864 INFO ]: TraceAbstraction initialized [2018-06-24 20:46:45,864 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 08:46:45" (1/4) ... [2018-06-24 20:46:45,865 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1611035b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 08:46:45, skipping insertion in model container [2018-06-24 20:46:45,865 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:46:45" (2/4) ... [2018-06-24 20:46:45,866 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1611035b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 08:46:45, skipping insertion in model container [2018-06-24 20:46:45,866 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:46:45" (3/4) ... [2018-06-24 20:46:45,866 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1611035b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:46:45, skipping insertion in model container [2018-06-24 20:46:45,866 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 08:46:45" (4/4) ... [2018-06-24 20:46:45,868 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 20:46:45,878 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 20:46:45,886 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 20:46:45,927 INFO ]: Using default assertion order modulation [2018-06-24 20:46:45,927 INFO ]: Interprodecural is true [2018-06-24 20:46:45,927 INFO ]: Hoare is false [2018-06-24 20:46:45,927 INFO ]: Compute interpolants for FPandBP [2018-06-24 20:46:45,927 INFO ]: Backedges is TWOTRACK [2018-06-24 20:46:45,927 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 20:46:45,927 INFO ]: Difference is false [2018-06-24 20:46:45,928 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 20:46:45,928 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 20:46:45,937 INFO ]: Start isEmpty. Operand 7 states. [2018-06-24 20:46:45,946 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-24 20:46:45,946 INFO ]: Found error trace [2018-06-24 20:46:45,947 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-24 20:46:45,947 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:46:45,952 INFO ]: Analyzing trace with hash 992390549, now seen corresponding path program 1 times [2018-06-24 20:46:45,953 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:46:45,954 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:46:45,990 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:46:45,990 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:46:45,990 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:46:46,030 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:46:46,099 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 20:46:46,101 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:46:46,101 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-24 20:46:46,102 INFO ]: Interpolant automaton has 4 states [2018-06-24 20:46:46,113 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-24 20:46:46,114 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-24 20:46:46,116 INFO ]: Start difference. First operand 7 states. Second operand 4 states. [2018-06-24 20:46:46,298 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:46:46,298 INFO ]: Finished difference Result 11 states and 19 transitions. [2018-06-24 20:46:46,298 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-24 20:46:46,299 INFO ]: Start accepts. Automaton has 4 states. Word has length 6 [2018-06-24 20:46:46,299 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:46:46,310 INFO ]: With dead ends: 11 [2018-06-24 20:46:46,310 INFO ]: Without dead ends: 11 [2018-06-24 20:46:46,312 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-24 20:46:46,329 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-24 20:46:46,346 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 9. [2018-06-24 20:46:46,347 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-24 20:46:46,348 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 16 transitions. [2018-06-24 20:46:46,349 INFO ]: Start accepts. Automaton has 9 states and 16 transitions. Word has length 6 [2018-06-24 20:46:46,350 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:46:46,350 INFO ]: Abstraction has 9 states and 16 transitions. [2018-06-24 20:46:46,350 INFO ]: Interpolant automaton has 4 states. [2018-06-24 20:46:46,350 INFO ]: Start isEmpty. Operand 9 states and 16 transitions. [2018-06-24 20:46:46,350 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-24 20:46:46,350 INFO ]: Found error trace [2018-06-24 20:46:46,350 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-24 20:46:46,350 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:46:46,351 INFO ]: Analyzing trace with hash 698659507, now seen corresponding path program 1 times [2018-06-24 20:46:46,351 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:46:46,351 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:46:46,354 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:46:46,354 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:46:46,354 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:46:46,379 INFO ]: Conjunction of SSA is sat [2018-06-24 20:46:46,383 INFO ]: Counterexample might be feasible [2018-06-24 20:46:46,399 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 20:46:46,407 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:46:46 BasicIcfg [2018-06-24 20:46:46,407 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 20:46:46,408 INFO ]: Toolchain (without parser) took 1102.92 ms. Allocated memory is still 309.3 MB. Free memory was 264.7 MB in the beginning and 225.7 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 3.6 GB. [2018-06-24 20:46:46,410 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 20:46:46,410 INFO ]: ChcToBoogie took 67.99 ms. Allocated memory is still 309.3 MB. Free memory was 264.7 MB in the beginning and 261.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-24 20:46:46,411 INFO ]: Boogie Preprocessor took 42.11 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 260.7 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. [2018-06-24 20:46:46,412 INFO ]: RCFGBuilder took 331.10 ms. Allocated memory is still 309.3 MB. Free memory was 260.7 MB in the beginning and 250.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 3.6 GB. [2018-06-24 20:46:46,412 INFO ]: BlockEncodingV2 took 106.42 ms. Allocated memory is still 309.3 MB. Free memory was 250.7 MB in the beginning and 246.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 20:46:46,413 INFO ]: TraceAbstraction took 547.74 ms. Allocated memory is still 309.3 MB. Free memory was 245.7 MB in the beginning and 225.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. [2018-06-24 20:46:46,423 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 13 locations, 15 edges - StatisticsResult: Encoded RCFG 7 locations, 11 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 67.99 ms. Allocated memory is still 309.3 MB. Free memory was 264.7 MB in the beginning and 261.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 42.11 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 260.7 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. * RCFGBuilder took 331.10 ms. Allocated memory is still 309.3 MB. Free memory was 260.7 MB in the beginning and 250.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 106.42 ms. Allocated memory is still 309.3 MB. Free memory was 250.7 MB in the beginning and 246.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 547.74 ms. Allocated memory is still 309.3 MB. Free memory was 245.7 MB in the beginning and 225.7 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 gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assume !(0 <= hbv_inv_main38_1_Int + -1 * hbv_inv_main38_2_Int + -1 && !(hbv_inv_main38_3_Int == 0)); [L0] hhv_inv_main28_0_Int, hhv_inv_main28_1_Int, hhv_inv_main28_2_Int, hhv_inv_main28_3_Int, hhv_inv_main28_4_Int, hhv_inv_main28_5_Int, hhv_inv_main28_6_Int, hhv_inv_main28_7_Int := hhv_inv_main38_0_Int, hhv_inv_main38_1_Int, hhv_inv_main38_2_Int, hbv_inv_main38_1_Int, hbv_inv_main38_4_Int, hbv_inv_main38_2_Int, hbv_inv_main38_5_Int, hhv_inv_main38_3_Int; [L0] havoc hbv_inv_main38_1_Int, hbv_inv_main38_2_Int, hbv_inv_main38_3_Int, hbv_inv_main38_5_Int, hbv_inv_main38_4_Int; [L0] assume ((((hhv_inv_main28_7_Int == 0 && hhv_inv_main28_6_Int == hhv_inv_main28_1_Int) && hhv_inv_main28_3_Int == hhv_inv_main28_0_Int) && hhv_inv_main28_4_Int == hhv_inv_main28_1_Int) && !(0 <= hbv_inv_main28_1_Int + -1 * hbv_inv_main28_2_Int + -1 && !(hbv_inv_main28_3_Int == 0))) && hhv_inv_main28_5_Int == 0; [L0] hhv_inv_main12_0_Int, hhv_inv_main12_1_Int, hhv_inv_main12_2_Int, hhv_inv_main12_3_Int, hhv_inv_main12_4_Int, hhv_inv_main12_5_Int, hhv_inv_main12_6_Int := hhv_inv_main28_0_Int, hhv_inv_main28_1_Int, hbv_inv_main28_1_Int, hbv_inv_main28_4_Int, hbv_inv_main28_2_Int, hbv_inv_main28_5_Int, hhv_inv_main28_2_Int; [L0] havoc hbv_inv_main28_5_Int, hbv_inv_main28_4_Int, hbv_inv_main28_2_Int, hbv_inv_main28_1_Int, hbv_inv_main28_3_Int; [L0] assume (((!(hbv_inv_main12_2_Int == 0) && hhv_inv_main12_4_Int == hbv_inv_main12_1_Int + 1) && 0 <= hhv_inv_main12_2_Int + -1 * hbv_inv_main12_1_Int + -1) && hhv_inv_main12_6_Int == hbv_inv_main12_3_Int + (5 * hbv_inv_main12_1_Int + hhv_inv_main12_3_Int)) && hhv_inv_main12_5_Int == 5 * hbv_inv_main12_1_Int + hhv_inv_main12_3_Int; [L0] hhv_inv_main12_0_Int, hhv_inv_main12_1_Int, hhv_inv_main12_2_Int, hhv_inv_main12_3_Int, hhv_inv_main12_4_Int, hhv_inv_main12_5_Int, hhv_inv_main12_6_Int := hhv_inv_main12_0_Int, hhv_inv_main12_1_Int, hhv_inv_main12_2_Int, hhv_inv_main12_3_Int, hbv_inv_main12_1_Int, hbv_inv_main12_4_Int, hbv_inv_main12_3_Int; [L0] havoc hbv_inv_main12_4_Int, hbv_inv_main12_2_Int, hbv_inv_main12_1_Int, hbv_inv_main12_3_Int; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 7 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 4 SDslu, 10 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 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/barthe_unsafe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_20-46-46-441.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/barthe_unsafe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_20-46-46-441.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/barthe_unsafe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_20-46-46-441.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/barthe_unsafe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_20-46-46-441.csv Received shutdown request...