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/hopv/lia/mochi/apply.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 18:16:01,905 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 18:16:01,907 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 18:16:01,921 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 18:16:01,921 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 18:16:01,922 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 18:16:01,926 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 18:16:01,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 18:16:01,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 18:16:01,931 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 18:16:01,932 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-06-26 18:16:01,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 18:16:01,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 18:16:01,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 18:16:01,965 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 18:16:01,966 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 18:16:01,967 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 18:16:01,967 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 18:16:01,968 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 18:16:01,974 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-06-26 18:16:01,976 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 18:16:01,999 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 18:16:01,999 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 18:16:01,999 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 18:16:01,999 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 18:16:02,000 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 18:16:02,001 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 18:16:02,001 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 18:16:02,001 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 18:16:02,001 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 18:16:02,001 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 18:16:02,002 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 18:16:02,002 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 18:16:02,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 18:16:02,002 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 18:16:02,002 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 18:16:02,004 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 18:16:02,004 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 18:16:02,004 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 18:16:02,004 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 18:16:02,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 18:16:02,005 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 18:16:02,006 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 18:16:02,007 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 18:16:02,047 INFO ]: Repository-Root is: /tmp [2018-06-26 18:16:02,067 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 18:16:02,074 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 18:16:02,076 INFO ]: Initializing SmtParser... [2018-06-26 18:16:02,076 INFO ]: SmtParser initialized [2018-06-26 18:16:02,077 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/apply.smt2 [2018-06-26 18:16:02,078 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 [2018-06-26 18:16:02,176 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/apply.smt2 unknown [2018-06-26 18:16:02,385 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/apply.smt2 [2018-06-26 18:16:02,391 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 18:16:02,399 INFO ]: Walking toolchain with 5 elements. [2018-06-26 18:16:02,400 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 18:16:02,400 INFO ]: Initializing ChcToBoogie... [2018-06-26 18:16:02,400 INFO ]: ChcToBoogie initialized [2018-06-26 18:16:02,404 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,464 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02 Unit [2018-06-26 18:16:02,465 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 18:16:02,465 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 18:16:02,465 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 18:16:02,465 INFO ]: Boogie Preprocessor initialized [2018-06-26 18:16:02,490 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,490 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,495 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,496 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,498 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,501 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,502 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,504 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 18:16:02,505 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 18:16:02,505 INFO ]: Initializing RCFGBuilder... [2018-06-26 18:16:02,505 INFO ]: RCFGBuilder initialized [2018-06-26 18:16:02,506 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (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) [2018-06-26 18:16:02,520 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 18:16:02,520 INFO ]: Found specification of procedure gotoProc [2018-06-26 18:16:02,520 INFO ]: Found implementation of procedure gotoProc [2018-06-26 18:16:02,520 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 18:16:02,520 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 18:16:02,520 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 [2018-06-26 18:16:02,844 INFO ]: Using library mode [2018-06-26 18:16:02,845 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:16:02 BoogieIcfgContainer [2018-06-26 18:16:02,845 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 18:16:02,845 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 18:16:02,845 INFO ]: Initializing BlockEncodingV2... [2018-06-26 18:16:02,846 INFO ]: BlockEncodingV2 initialized [2018-06-26 18:16:02,847 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:16:02" (1/1) ... [2018-06-26 18:16:02,862 INFO ]: Initial Icfg 29 locations, 39 edges [2018-06-26 18:16:02,863 INFO ]: Using Remove infeasible edges [2018-06-26 18:16:02,863 INFO ]: Using Maximize final states [2018-06-26 18:16:02,863 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 18:16:02,864 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 18:16:02,867 INFO ]: Using Remove sink states [2018-06-26 18:16:02,867 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 18:16:02,867 INFO ]: Using Use SBE [2018-06-26 18:16:02,872 INFO ]: SBE split 0 edges [2018-06-26 18:16:02,877 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-26 18:16:02,879 INFO ]: 0 new accepting states [2018-06-26 18:16:02,989 INFO ]: Removed 30 edges and 12 locations by large block encoding [2018-06-26 18:16:02,991 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:16:02,993 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 18:16:02,994 INFO ]: 0 new accepting states [2018-06-26 18:16:02,994 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:16:02,994 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:16:02,994 INFO ]: Encoded RCFG 15 locations, 24 edges [2018-06-26 18:16:02,995 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:16:02 BasicIcfg [2018-06-26 18:16:02,995 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 18:16:02,995 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 18:16:02,995 INFO ]: Initializing TraceAbstraction... [2018-06-26 18:16:02,999 INFO ]: TraceAbstraction initialized [2018-06-26 18:16:03,000 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:16:02" (1/4) ... [2018-06-26 18:16:03,001 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f2f363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 06:16:03, skipping insertion in model container [2018-06-26 18:16:03,001 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:16:02" (2/4) ... [2018-06-26 18:16:03,001 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f2f363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 06:16:03, skipping insertion in model container [2018-06-26 18:16:03,001 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:16:02" (3/4) ... [2018-06-26 18:16:03,001 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f2f363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:16:03, skipping insertion in model container [2018-06-26 18:16:03,001 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:16:02" (4/4) ... [2018-06-26 18:16:03,004 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 18:16:03,011 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 18:16:03,027 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 18:16:03,072 INFO ]: Using default assertion order modulation [2018-06-26 18:16:03,073 INFO ]: Interprodecural is true [2018-06-26 18:16:03,073 INFO ]: Hoare is false [2018-06-26 18:16:03,073 INFO ]: Compute interpolants for FPandBP [2018-06-26 18:16:03,073 INFO ]: Backedges is TWOTRACK [2018-06-26 18:16:03,073 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 18:16:03,073 INFO ]: Difference is false [2018-06-26 18:16:03,073 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 18:16:03,073 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 18:16:03,084 INFO ]: Start isEmpty. Operand 15 states. [2018-06-26 18:16:03,094 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:16:03,095 INFO ]: Found error trace [2018-06-26 18:16:03,095 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:16:03,095 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:16:03,099 INFO ]: Analyzing trace with hash 35531207, now seen corresponding path program 1 times [2018-06-26 18:16:03,100 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:16:03,101 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:16:03,132 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:03,132 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:16:03,132 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:03,167 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:16:03,223 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:16:03,225 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:16:03,225 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:16:03,227 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:16:03,241 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:16:03,241 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:16:03,244 INFO ]: Start difference. First operand 15 states. Second operand 3 states. [2018-06-26 18:16:03,435 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:16:03,435 INFO ]: Finished difference Result 22 states and 34 transitions. [2018-06-26 18:16:03,435 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:16:03,436 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:16:03,437 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:16:03,445 INFO ]: With dead ends: 22 [2018-06-26 18:16:03,445 INFO ]: Without dead ends: 22 [2018-06-26 18:16:03,446 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:16:03,459 INFO ]: Start minimizeSevpa. Operand 22 states. [2018-06-26 18:16:03,483 INFO ]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-06-26 18:16:03,484 INFO ]: Start removeUnreachable. Operand 22 states. [2018-06-26 18:16:03,486 INFO ]: Finished removeUnreachable. Reduced from 22 states to 22 states and 34 transitions. [2018-06-26 18:16:03,487 INFO ]: Start accepts. Automaton has 22 states and 34 transitions. Word has length 5 [2018-06-26 18:16:03,488 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:16:03,488 INFO ]: Abstraction has 22 states and 34 transitions. [2018-06-26 18:16:03,488 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:16:03,488 INFO ]: Start isEmpty. Operand 22 states and 34 transitions. [2018-06-26 18:16:03,490 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:16:03,490 INFO ]: Found error trace [2018-06-26 18:16:03,490 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:16:03,490 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:16:03,490 INFO ]: Analyzing trace with hash 35560998, now seen corresponding path program 1 times [2018-06-26 18:16:03,490 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:16:03,490 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:16:03,491 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:03,491 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:16:03,491 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:03,497 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:16:03,560 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:16:03,560 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:16:03,560 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:16:03,562 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:16:03,562 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:16:03,562 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:16:03,562 INFO ]: Start difference. First operand 22 states and 34 transitions. Second operand 3 states. [2018-06-26 18:16:03,866 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:16:03,866 INFO ]: Finished difference Result 29 states and 45 transitions. [2018-06-26 18:16:03,866 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:16:03,866 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:16:03,867 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:16:03,868 INFO ]: With dead ends: 29 [2018-06-26 18:16:03,868 INFO ]: Without dead ends: 29 [2018-06-26 18:16:03,869 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:16:03,869 INFO ]: Start minimizeSevpa. Operand 29 states. [2018-06-26 18:16:03,875 INFO ]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-06-26 18:16:03,875 INFO ]: Start removeUnreachable. Operand 29 states. [2018-06-26 18:16:03,877 INFO ]: Finished removeUnreachable. Reduced from 29 states to 29 states and 45 transitions. [2018-06-26 18:16:03,877 INFO ]: Start accepts. Automaton has 29 states and 45 transitions. Word has length 5 [2018-06-26 18:16:03,877 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:16:03,877 INFO ]: Abstraction has 29 states and 45 transitions. [2018-06-26 18:16:03,877 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:16:03,877 INFO ]: Start isEmpty. Operand 29 states and 45 transitions. [2018-06-26 18:16:03,879 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 18:16:03,879 INFO ]: Found error trace [2018-06-26 18:16:03,879 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:16:03,879 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:16:03,879 INFO ]: Analyzing trace with hash 1158040831, now seen corresponding path program 1 times [2018-06-26 18:16:03,879 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:16:03,879 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:16:03,880 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:03,880 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:16:03,880 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:03,886 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:16:03,911 INFO ]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 18:16:03,911 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:16:03,911 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:16:03,911 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:16:03,911 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:16:03,911 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:16:03,912 INFO ]: Start difference. First operand 29 states and 45 transitions. Second operand 3 states. [2018-06-26 18:16:04,264 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:16:04,264 INFO ]: Finished difference Result 36 states and 57 transitions. [2018-06-26 18:16:04,264 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:16:04,264 INFO ]: Start accepts. Automaton has 3 states. Word has length 10 [2018-06-26 18:16:04,264 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:16:04,266 INFO ]: With dead ends: 36 [2018-06-26 18:16:04,266 INFO ]: Without dead ends: 36 [2018-06-26 18:16:04,266 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:16:04,266 INFO ]: Start minimizeSevpa. Operand 36 states. [2018-06-26 18:16:04,272 INFO ]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-06-26 18:16:04,272 INFO ]: Start removeUnreachable. Operand 36 states. [2018-06-26 18:16:04,274 INFO ]: Finished removeUnreachable. Reduced from 36 states to 36 states and 57 transitions. [2018-06-26 18:16:04,274 INFO ]: Start accepts. Automaton has 36 states and 57 transitions. Word has length 10 [2018-06-26 18:16:04,274 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:16:04,274 INFO ]: Abstraction has 36 states and 57 transitions. [2018-06-26 18:16:04,274 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:16:04,274 INFO ]: Start isEmpty. Operand 36 states and 57 transitions. [2018-06-26 18:16:04,276 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 18:16:04,276 INFO ]: Found error trace [2018-06-26 18:16:04,276 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:16:04,276 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:16:04,276 INFO ]: Analyzing trace with hash 30644738, now seen corresponding path program 1 times [2018-06-26 18:16:04,276 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:16:04,276 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:16:04,277 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:04,277 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:16:04,277 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:04,284 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:16:04,451 INFO ]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 18:16:04,451 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 18:16:04,451 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 18:16:04,462 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:16:04,478 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:16:04,484 INFO ]: Computing forward predicates... [2018-06-26 18:16:04,526 INFO ]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 18:16:04,546 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 18:16:04,546 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-06-26 18:16:04,547 INFO ]: Interpolant automaton has 7 states [2018-06-26 18:16:04,547 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-26 18:16:04,547 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-26 18:16:04,547 INFO ]: Start difference. First operand 36 states and 57 transitions. Second operand 7 states. [2018-06-26 18:16:05,505 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:16:05,505 INFO ]: Finished difference Result 130 states and 273 transitions. [2018-06-26 18:16:05,506 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-26 18:16:05,506 INFO ]: Start accepts. Automaton has 7 states. Word has length 10 [2018-06-26 18:16:05,506 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:16:05,515 INFO ]: With dead ends: 130 [2018-06-26 18:16:05,515 INFO ]: Without dead ends: 118 [2018-06-26 18:16:05,515 INFO ]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-06-26 18:16:05,515 INFO ]: Start minimizeSevpa. Operand 118 states. [2018-06-26 18:16:05,546 INFO ]: Finished minimizeSevpa. Reduced states from 118 to 61. [2018-06-26 18:16:05,546 INFO ]: Start removeUnreachable. Operand 61 states. [2018-06-26 18:16:05,549 INFO ]: Finished removeUnreachable. Reduced from 61 states to 61 states and 97 transitions. [2018-06-26 18:16:05,549 INFO ]: Start accepts. Automaton has 61 states and 97 transitions. Word has length 10 [2018-06-26 18:16:05,549 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:16:05,549 INFO ]: Abstraction has 61 states and 97 transitions. [2018-06-26 18:16:05,549 INFO ]: Interpolant automaton has 7 states. [2018-06-26 18:16:05,549 INFO ]: Start isEmpty. Operand 61 states and 97 transitions. [2018-06-26 18:16:05,552 INFO ]: Finished isEmpty. Found accepting run of length 25 [2018-06-26 18:16:05,552 INFO ]: Found error trace [2018-06-26 18:16:05,552 INFO ]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:16:05,552 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:16:05,552 INFO ]: Analyzing trace with hash -31003544, now seen corresponding path program 1 times [2018-06-26 18:16:05,552 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:16:05,552 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:16:05,553 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:05,553 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:16:05,553 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:05,560 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:16:05,607 INFO ]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-06-26 18:16:05,607 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:16:05,607 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:16:05,608 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:16:05,608 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:16:05,608 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:16:05,608 INFO ]: Start difference. First operand 61 states and 97 transitions. Second operand 3 states. [2018-06-26 18:16:05,671 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:16:05,671 INFO ]: Finished difference Result 65 states and 102 transitions. [2018-06-26 18:16:05,672 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:16:05,672 INFO ]: Start accepts. Automaton has 3 states. Word has length 24 [2018-06-26 18:16:05,672 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:16:05,674 INFO ]: With dead ends: 65 [2018-06-26 18:16:05,674 INFO ]: Without dead ends: 56 [2018-06-26 18:16:05,674 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:16:05,674 INFO ]: Start minimizeSevpa. Operand 56 states. [2018-06-26 18:16:05,682 INFO ]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-06-26 18:16:05,682 INFO ]: Start removeUnreachable. Operand 56 states. [2018-06-26 18:16:05,683 INFO ]: Finished removeUnreachable. Reduced from 56 states to 56 states and 87 transitions. [2018-06-26 18:16:05,683 INFO ]: Start accepts. Automaton has 56 states and 87 transitions. Word has length 24 [2018-06-26 18:16:05,683 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:16:05,684 INFO ]: Abstraction has 56 states and 87 transitions. [2018-06-26 18:16:05,684 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:16:05,684 INFO ]: Start isEmpty. Operand 56 states and 87 transitions. [2018-06-26 18:16:05,686 INFO ]: Finished isEmpty. Found accepting run of length 36 [2018-06-26 18:16:05,686 INFO ]: Found error trace [2018-06-26 18:16:05,686 INFO ]: trace histogram [7, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:16:05,686 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:16:05,687 INFO ]: Analyzing trace with hash 1086391804, now seen corresponding path program 1 times [2018-06-26 18:16:05,687 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:16:05,687 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:16:05,688 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:05,688 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:16:05,688 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:16:05,711 INFO ]: Conjunction of SSA is sat [2018-06-26 18:16:05,716 INFO ]: Counterexample might be feasible [2018-06-26 18:16:05,729 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 18:16:05,731 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:16:05 BasicIcfg [2018-06-26 18:16:05,731 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 18:16:05,731 INFO ]: Toolchain (without parser) took 3340.30 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 262.5 MB in the beginning and 243.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 3.6 GB. [2018-06-26 18:16:05,733 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 306.2 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:16:05,733 INFO ]: ChcToBoogie took 64.95 ms. Allocated memory is still 306.2 MB. Free memory was 261.5 MB in the beginning and 259.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:16:05,734 INFO ]: Boogie Preprocessor took 39.00 ms. Allocated memory is still 306.2 MB. Free memory was 259.5 MB in the beginning and 258.5 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 3.6 GB. [2018-06-26 18:16:05,734 INFO ]: RCFGBuilder took 340.30 ms. Allocated memory is still 306.2 MB. Free memory was 258.5 MB in the beginning and 249.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:16:05,735 INFO ]: BlockEncodingV2 took 149.35 ms. Allocated memory is still 306.2 MB. Free memory was 249.5 MB in the beginning and 243.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:16:05,735 INFO ]: TraceAbstraction took 2735.42 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 243.5 MB in the beginning and 243.6 MB in the end (delta: -136.1 kB). Peak memory consumption was 18.7 MB. Max. memory is 3.6 GB. [2018-06-26 18:16:05,739 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 29 locations, 39 edges - StatisticsResult: Encoded RCFG 15 locations, 24 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 306.2 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 64.95 ms. Allocated memory is still 306.2 MB. Free memory was 261.5 MB in the beginning and 259.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 39.00 ms. Allocated memory is still 306.2 MB. Free memory was 259.5 MB in the beginning and 258.5 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 3.6 GB. * RCFGBuilder took 340.30 ms. Allocated memory is still 306.2 MB. Free memory was 258.5 MB in the beginning and 249.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 149.35 ms. Allocated memory is still 306.2 MB. Free memory was 249.5 MB in the beginning and 243.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 2735.42 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 243.5 MB in the beginning and 243.6 MB in the end (delta: -136.1 kB). Peak memory consumption was 18.7 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); [L0] assume true; [L0] CALL call gotoProc(7, hhv_gDLRunknownCLN6_0_Int, 0, 0); [L0] assume true; [L0] hhv_kDLRunknownCLN8_0_Int := hhv_applyDLRunknownCLN3_0_Int; [L0] RET call gotoProc(7, hhv_gDLRunknownCLN6_0_Int, 0, 0); [L0] hhv_kDLRunknownCLN8_0_Int := hhv_gDLRunknownCLN6_1_Int; [L0] assume hhv_kDLRunknownCLN8_0_Int == hbv_kDLRunknownCLN8_1_Int + 1; [L0] CALL call gotoProc(3, hbv_kDLRunknownCLN8_2_Int, hbv_kDLRunknownCLN8_1_Int, 0); [L0] assume hhv_applyDLRunknownCLN4_0_Int == hbv_applyDLRunknownCLN4_1_Int; [L0] CALL call gotoProc(6, hhv_applyDLRunknownCLN4_1_Int, 0, 0); [L0] assume true; [L0] hhv_kDLRunknownCLN8_0_Int := hhv_applyDLRunknownCLN3_0_Int; [L0] RET call gotoProc(6, hhv_applyDLRunknownCLN4_1_Int, 0, 0); [L0] assume true; [L0] CALL call gotoProc(5, hhv_applyDLRunknownCLN2_0_Int, hhv_applyDLRunknownCLN2_1_Int, hbv_applyDLRunknownCLN2_1_Int); [L0] assume true; [L0] CALL call gotoProc(7, hhv_gDLRunknownCLN6_0_Int, 0, 0); [L0] assume true; [L0] hhv_kDLRunknownCLN8_0_Int := hhv_applyDLRunknownCLN3_0_Int; [L0] RET call gotoProc(7, hhv_gDLRunknownCLN6_0_Int, 0, 0); [L0] hhv_kDLRunknownCLN8_0_Int := hhv_gDLRunknownCLN6_1_Int; [L0] RET call gotoProc(5, hhv_applyDLRunknownCLN2_0_Int, hhv_applyDLRunknownCLN2_1_Int, hbv_applyDLRunknownCLN2_1_Int); [L0] CALL call gotoProc(7, hhv_applyDLRunknownCLN2_1_Int, 0, 0); [L0] assume true; [L0] hhv_kDLRunknownCLN8_0_Int := hhv_applyDLRunknownCLN3_0_Int; [L0] RET call gotoProc(7, hhv_applyDLRunknownCLN2_1_Int, 0, 0); [L0] hhv_kDLRunknownCLN8_0_Int := hbv_applyDLRunknownCLN2_1_Int; [L0] havoc hbv_applyDLRunknownCLN2_1_Int; [L0] RET call gotoProc(3, hbv_kDLRunknownCLN8_2_Int, hbv_kDLRunknownCLN8_1_Int, 0); [L0] hhv_kDLRunknownCLN8_0_Int := hbv_kDLRunknownCLN8_1_Int; [L0] havoc hbv_kDLRunknownCLN8_1_Int, hbv_kDLRunknownCLN8_2_Int; [L0] RET call gotoProc(0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. UNSAFE Result, 2.6s OverallTime, 6 OverallIterations, 7 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 137 SDtfs, 57 SDslu, 159 SDs, 0 SdLazy, 230 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=4, 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, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1464 SizeOfPredicates, 6 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 37/39 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/apply.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_18-16-05-751.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/apply.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_18-16-05-751.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/apply.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_18-16-05-751.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/apply.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_18-16-05-751.csv Received shutdown request...