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/vmt-chc-benchmarks/ctigar/efm.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 21:27:00,788 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 21:27:00,790 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 21:27:00,805 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 21:27:00,805 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 21:27:00,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 21:27:00,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 21:27:00,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 21:27:00,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 21:27:00,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 21:27:00,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 21:27:00,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 21:27:00,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 21:27:00,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 21:27:00,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 21:27:00,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 21:27:00,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 21:27:00,824 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 21:27:00,834 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 21:27:00,835 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 21:27:00,836 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 21:27:00,837 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 21:27:00,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 21:27:00,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 21:27:00,844 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 21:27:00,845 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 21:27:00,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 21:27:00,846 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 21:27:00,847 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 21:27:00,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 21:27:00,851 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 21:27:00,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 21:27:00,852 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 21:27:00,852 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 21:27:00,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 21:27:00,854 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 21:27:00,854 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 21:27:00,876 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 21:27:00,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 21:27:00,876 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 21:27:00,876 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 21:27:00,877 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 21:27:00,877 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 21:27:00,880 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 21:27:00,880 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 21:27:00,880 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 21:27:00,881 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 21:27:00,881 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 21:27:00,881 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 21:27:00,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 21:27:00,881 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 21:27:00,882 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 21:27:00,882 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 21:27:00,882 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 21:27:00,882 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 21:27:00,882 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 21:27:00,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 21:27:00,883 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 21:27:00,888 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 21:27:00,888 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 21:27:00,933 INFO ]: Repository-Root is: /tmp [2018-06-26 21:27:00,948 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 21:27:00,953 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 21:27:00,955 INFO ]: Initializing SmtParser... [2018-06-26 21:27:00,955 INFO ]: SmtParser initialized [2018-06-26 21:27:00,955 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/efm.c.smt2 [2018-06-26 21:27:00,957 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 21:27:01,042 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/efm.c.smt2 unknown [2018-06-26 21:27:01,562 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/efm.c.smt2 [2018-06-26 21:27:01,567 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 21:27:01,572 INFO ]: Walking toolchain with 5 elements. [2018-06-26 21:27:01,573 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 21:27:01,573 INFO ]: Initializing ChcToBoogie... [2018-06-26 21:27:01,573 INFO ]: ChcToBoogie initialized [2018-06-26 21:27:01,576 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 09:27:01" (1/1) ... [2018-06-26 21:27:01,634 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01 Unit [2018-06-26 21:27:01,634 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 21:27:01,635 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 21:27:01,635 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 21:27:01,635 INFO ]: Boogie Preprocessor initialized [2018-06-26 21:27:01,656 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (1/1) ... [2018-06-26 21:27:01,656 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (1/1) ... [2018-06-26 21:27:01,678 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (1/1) ... [2018-06-26 21:27:01,678 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (1/1) ... [2018-06-26 21:27:01,699 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (1/1) ... [2018-06-26 21:27:01,700 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (1/1) ... [2018-06-26 21:27:01,705 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (1/1) ... [2018-06-26 21:27:01,710 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 21:27:01,710 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 21:27:01,710 INFO ]: Initializing RCFGBuilder... [2018-06-26 21:27:01,710 INFO ]: RCFGBuilder initialized [2018-06-26 21:27:01,711 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (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 21:27:01,728 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 21:27:01,728 INFO ]: Found specification of procedure gotoProc [2018-06-26 21:27:01,728 INFO ]: Found implementation of procedure gotoProc [2018-06-26 21:27:01,728 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 21:27:01,728 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 21:27:01,728 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 21:27:02,053 INFO ]: Using library mode [2018-06-26 21:27:02,053 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 09:27:02 BoogieIcfgContainer [2018-06-26 21:27:02,053 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 21:27:02,054 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 21:27:02,054 INFO ]: Initializing BlockEncodingV2... [2018-06-26 21:27:02,055 INFO ]: BlockEncodingV2 initialized [2018-06-26 21:27:02,055 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 09:27:02" (1/1) ... [2018-06-26 21:27:02,069 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-26 21:27:02,070 INFO ]: Using Remove infeasible edges [2018-06-26 21:27:02,071 INFO ]: Using Maximize final states [2018-06-26 21:27:02,071 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 21:27:02,071 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 21:27:02,073 INFO ]: Using Remove sink states [2018-06-26 21:27:02,074 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 21:27:02,074 INFO ]: Using Use SBE [2018-06-26 21:27:02,079 WARN ]: expecting exponential blowup for input size 8 [2018-06-26 21:27:02,169 WARN ]: aborting because of expected exponential blowup for input size 122 [2018-06-26 21:27:02,182 WARN ]: aborting because of expected exponential blowup for input size 122 [2018-06-26 21:27:02,182 INFO ]: SBE split 1 edges [2018-06-26 21:27:02,189 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-26 21:27:02,194 INFO ]: 0 new accepting states [2018-06-26 21:27:02,414 INFO ]: Removed 13 edges and 2 locations by large block encoding [2018-06-26 21:27:02,416 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 21:27:02,417 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 21:27:02,417 INFO ]: 0 new accepting states [2018-06-26 21:27:02,417 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 21:27:02,417 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 21:27:02,418 INFO ]: Encoded RCFG 6 locations, 15 edges [2018-06-26 21:27:02,419 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 09:27:02 BasicIcfg [2018-06-26 21:27:02,419 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 21:27:02,420 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 21:27:02,420 INFO ]: Initializing TraceAbstraction... [2018-06-26 21:27:02,426 INFO ]: TraceAbstraction initialized [2018-06-26 21:27:02,426 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 09:27:01" (1/4) ... [2018-06-26 21:27:02,427 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9dd8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 09:27:02, skipping insertion in model container [2018-06-26 21:27:02,427 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:27:01" (2/4) ... [2018-06-26 21:27:02,427 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9dd8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 09:27:02, skipping insertion in model container [2018-06-26 21:27:02,427 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 09:27:02" (3/4) ... [2018-06-26 21:27:02,428 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9dd8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 09:27:02, skipping insertion in model container [2018-06-26 21:27:02,428 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 09:27:02" (4/4) ... [2018-06-26 21:27:02,429 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 21:27:02,439 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 21:27:02,447 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 21:27:02,523 INFO ]: Using default assertion order modulation [2018-06-26 21:27:02,523 INFO ]: Interprodecural is true [2018-06-26 21:27:02,523 INFO ]: Hoare is false [2018-06-26 21:27:02,523 INFO ]: Compute interpolants for FPandBP [2018-06-26 21:27:02,523 INFO ]: Backedges is TWOTRACK [2018-06-26 21:27:02,523 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 21:27:02,523 INFO ]: Difference is false [2018-06-26 21:27:02,523 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 21:27:02,523 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 21:27:02,536 INFO ]: Start isEmpty. Operand 6 states. [2018-06-26 21:27:02,550 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 21:27:02,550 INFO ]: Found error trace [2018-06-26 21:27:02,552 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 21:27:02,553 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 21:27:02,558 INFO ]: Analyzing trace with hash 35718731, now seen corresponding path program 1 times [2018-06-26 21:27:02,560 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 21:27:02,560 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 21:27:02,607 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:02,607 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 21:27:02,607 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:02,654 INFO ]: Conjunction of SSA is unsat [2018-06-26 21:27:02,703 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 21:27:02,705 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 21:27:02,705 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 21:27:02,706 INFO ]: Interpolant automaton has 3 states [2018-06-26 21:27:02,718 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 21:27:02,718 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 21:27:02,720 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-26 21:27:02,887 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 21:27:02,887 INFO ]: Finished difference Result 7 states and 16 transitions. [2018-06-26 21:27:02,887 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 21:27:02,889 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 21:27:02,889 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 21:27:02,900 INFO ]: With dead ends: 7 [2018-06-26 21:27:02,900 INFO ]: Without dead ends: 7 [2018-06-26 21:27:02,902 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 21:27:02,919 INFO ]: Start minimizeSevpa. Operand 7 states. [2018-06-26 21:27:02,950 INFO ]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-06-26 21:27:02,951 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-26 21:27:02,952 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. [2018-06-26 21:27:02,953 INFO ]: Start accepts. Automaton has 7 states and 16 transitions. Word has length 5 [2018-06-26 21:27:02,955 INFO ]: Finished accepts. word is rejected. [2018-06-26 21:27:02,955 INFO ]: Abstraction has 7 states and 16 transitions. [2018-06-26 21:27:02,955 INFO ]: Interpolant automaton has 3 states. [2018-06-26 21:27:02,955 INFO ]: Start isEmpty. Operand 7 states and 16 transitions. [2018-06-26 21:27:02,956 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 21:27:02,956 INFO ]: Found error trace [2018-06-26 21:27:02,956 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 21:27:02,956 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 21:27:02,956 INFO ]: Analyzing trace with hash 35748522, now seen corresponding path program 1 times [2018-06-26 21:27:02,956 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 21:27:02,956 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 21:27:02,957 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:02,957 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 21:27:02,957 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:02,965 INFO ]: Conjunction of SSA is unsat [2018-06-26 21:27:03,036 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 21:27:03,036 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 21:27:03,036 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 21:27:03,037 INFO ]: Interpolant automaton has 3 states [2018-06-26 21:27:03,037 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 21:27:03,038 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 21:27:03,038 INFO ]: Start difference. First operand 7 states and 16 transitions. Second operand 3 states. [2018-06-26 21:27:03,234 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 21:27:03,234 INFO ]: Finished difference Result 8 states and 17 transitions. [2018-06-26 21:27:03,235 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 21:27:03,235 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 21:27:03,235 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 21:27:03,235 INFO ]: With dead ends: 8 [2018-06-26 21:27:03,235 INFO ]: Without dead ends: 8 [2018-06-26 21:27:03,236 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 21:27:03,236 INFO ]: Start minimizeSevpa. Operand 8 states. [2018-06-26 21:27:03,237 INFO ]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-06-26 21:27:03,237 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-26 21:27:03,238 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. [2018-06-26 21:27:03,238 INFO ]: Start accepts. Automaton has 7 states and 16 transitions. Word has length 5 [2018-06-26 21:27:03,238 INFO ]: Finished accepts. word is rejected. [2018-06-26 21:27:03,238 INFO ]: Abstraction has 7 states and 16 transitions. [2018-06-26 21:27:03,238 INFO ]: Interpolant automaton has 3 states. [2018-06-26 21:27:03,238 INFO ]: Start isEmpty. Operand 7 states and 16 transitions. [2018-06-26 21:27:03,238 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-26 21:27:03,238 INFO ]: Found error trace [2018-06-26 21:27:03,238 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-26 21:27:03,238 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 21:27:03,239 INFO ]: Analyzing trace with hash 1106466853, now seen corresponding path program 1 times [2018-06-26 21:27:03,239 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 21:27:03,239 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 21:27:03,240 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:03,240 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 21:27:03,240 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:03,328 INFO ]: Conjunction of SSA is unsat [2018-06-26 21:27:03,556 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 21:27:03,556 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 21:27:03,556 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) [2018-06-26 21:27:03,572 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 21:27:03,667 INFO ]: Conjunction of SSA is unsat [2018-06-26 21:27:03,675 INFO ]: Computing forward predicates... [2018-06-26 21:27:04,900 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 21:27:04,919 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 21:27:04,919 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-26 21:27:04,919 INFO ]: Interpolant automaton has 5 states [2018-06-26 21:27:04,919 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 21:27:04,919 INFO ]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-26 21:27:04,920 INFO ]: Start difference. First operand 7 states and 16 transitions. Second operand 5 states. [2018-06-26 21:27:05,025 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 21:27:05,025 INFO ]: Finished difference Result 9 states and 18 transitions. [2018-06-26 21:27:05,026 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-26 21:27:05,026 INFO ]: Start accepts. Automaton has 5 states. Word has length 6 [2018-06-26 21:27:05,026 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 21:27:05,026 INFO ]: With dead ends: 9 [2018-06-26 21:27:05,026 INFO ]: Without dead ends: 9 [2018-06-26 21:27:05,026 INFO ]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-26 21:27:05,027 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-26 21:27:05,028 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 8. [2018-06-26 21:27:05,028 INFO ]: Start removeUnreachable. Operand 8 states. [2018-06-26 21:27:05,028 INFO ]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2018-06-26 21:27:05,028 INFO ]: Start accepts. Automaton has 8 states and 17 transitions. Word has length 6 [2018-06-26 21:27:05,028 INFO ]: Finished accepts. word is rejected. [2018-06-26 21:27:05,028 INFO ]: Abstraction has 8 states and 17 transitions. [2018-06-26 21:27:05,028 INFO ]: Interpolant automaton has 5 states. [2018-06-26 21:27:05,028 INFO ]: Start isEmpty. Operand 8 states and 17 transitions. [2018-06-26 21:27:05,029 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-26 21:27:05,029 INFO ]: Found error trace [2018-06-26 21:27:05,029 INFO ]: trace histogram [2, 1, 1, 1, 1, 1] [2018-06-26 21:27:05,029 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 21:27:05,029 INFO ]: Analyzing trace with hash -60079733, now seen corresponding path program 2 times [2018-06-26 21:27:05,029 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 21:27:05,029 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 21:27:05,030 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:05,030 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 21:27:05,030 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:05,110 INFO ]: Conjunction of SSA is unsat [2018-06-26 21:27:05,579 WARN ]: Spent 219.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-06-26 21:27:05,592 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 21:27:05,666 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 21:27:05,667 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 21:27:05,675 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-26 21:27:05,778 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-26 21:27:05,778 INFO ]: Conjunction of SSA is unsat [2018-06-26 21:27:05,782 INFO ]: Computing forward predicates... [2018-06-26 21:27:10,915 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 21:27:10,934 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 21:27:10,934 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-06-26 21:27:10,934 INFO ]: Interpolant automaton has 6 states [2018-06-26 21:27:10,934 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-26 21:27:10,934 INFO ]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-26 21:27:10,934 INFO ]: Start difference. First operand 8 states and 17 transitions. Second operand 6 states. [2018-06-26 21:27:11,038 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 21:27:11,038 INFO ]: Finished difference Result 12 states and 21 transitions. [2018-06-26 21:27:11,038 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 21:27:11,038 INFO ]: Start accepts. Automaton has 6 states. Word has length 7 [2018-06-26 21:27:11,038 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 21:27:11,039 INFO ]: With dead ends: 12 [2018-06-26 21:27:11,039 INFO ]: Without dead ends: 12 [2018-06-26 21:27:11,039 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2018-06-26 21:27:11,039 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-26 21:27:11,040 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 10. [2018-06-26 21:27:11,040 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-26 21:27:11,041 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 19 transitions. [2018-06-26 21:27:11,041 INFO ]: Start accepts. Automaton has 10 states and 19 transitions. Word has length 7 [2018-06-26 21:27:11,041 INFO ]: Finished accepts. word is rejected. [2018-06-26 21:27:11,041 INFO ]: Abstraction has 10 states and 19 transitions. [2018-06-26 21:27:11,041 INFO ]: Interpolant automaton has 6 states. [2018-06-26 21:27:11,041 INFO ]: Start isEmpty. Operand 10 states and 19 transitions. [2018-06-26 21:27:11,041 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-26 21:27:11,041 INFO ]: Found error trace [2018-06-26 21:27:11,041 INFO ]: trace histogram [3, 1, 1, 1, 1, 1] [2018-06-26 21:27:11,041 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 21:27:11,041 INFO ]: Analyzing trace with hash -975781850, now seen corresponding path program 1 times [2018-06-26 21:27:11,041 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 21:27:11,041 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 21:27:11,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:11,042 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-26 21:27:11,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 21:27:11,132 INFO ]: Conjunction of SSA is unsat [2018-06-26 21:27:11,552 WARN ]: Spent 167.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-06-26 21:27:11,756 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 21:27:11,756 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 21:27:11,756 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 21:27:11,763 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 21:27:11,843 INFO ]: Conjunction of SSA is unsat [2018-06-26 21:27:11,847 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-26 21:28:10,584 INFO ]: Timeout while computing interpolants [2018-06-26 21:28:10,784 WARN ]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 21:28:10,784 WARN ]: Verification canceled [2018-06-26 21:28:10,786 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 21:28:10,787 WARN ]: Timeout [2018-06-26 21:28:10,787 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 09:28:10 BasicIcfg [2018-06-26 21:28:10,787 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 21:28:10,788 INFO ]: Toolchain (without parser) took 69220.69 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 242.3 MB in the beginning and 517.1 MB in the end (delta: -274.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-26 21:28:10,789 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 21:28:10,789 INFO ]: ChcToBoogie took 61.29 ms. Allocated memory is still 309.9 MB. Free memory was 240.3 MB in the beginning and 238.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 21:28:10,790 INFO ]: Boogie Preprocessor took 75.21 ms. Allocated memory is still 309.9 MB. Free memory was 238.3 MB in the beginning and 236.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 21:28:10,796 INFO ]: RCFGBuilder took 343.16 ms. Allocated memory is still 309.9 MB. Free memory was 236.3 MB in the beginning and 214.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 3.6 GB. [2018-06-26 21:28:10,796 INFO ]: BlockEncodingV2 took 365.05 ms. Allocated memory is still 309.9 MB. Free memory was 214.4 MB in the beginning and 194.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. [2018-06-26 21:28:10,797 INFO ]: TraceAbstraction took 68367.12 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 192.4 MB in the beginning and 517.1 MB in the end (delta: -324.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-26 21:28:10,800 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 10 edges - StatisticsResult: Encoded RCFG 6 locations, 15 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.29 ms. Allocated memory is still 309.9 MB. Free memory was 240.3 MB in the beginning and 238.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 75.21 ms. Allocated memory is still 309.9 MB. Free memory was 238.3 MB in the beginning and 236.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 343.16 ms. Allocated memory is still 309.9 MB. Free memory was 236.3 MB in the beginning and 214.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 365.05 ms. Allocated memory is still 309.9 MB. Free memory was 214.4 MB in the beginning and 194.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68367.12 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 192.4 MB in the beginning and 517.1 MB in the end (delta: -324.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 11467 quantified variables from 16 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. TIMEOUT Result, 68.2s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 SDtfs, 0 SDslu, 24 SDs, 0 SdLazy, 41 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 426 SizeOfPredicates, 14 NumberOfNonLiveVariables, 526 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/efm.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_21-28-10-821.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/efm.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_21-28-10-821.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/efm.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_21-28-10-821.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/efm.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_21-28-10-821.csv Completed graceful shutdown