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/Consistency/graham-scan.30.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 17:29:15,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 17:29:15,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 17:29:15,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 17:29:15,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 17:29:15,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 17:29:15,904 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 17:29:15,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 17:29:15,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 17:29:15,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 17:29:15,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 17:29:15,911 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 17:29:15,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 17:29:15,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 17:29:15,917 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 17:29:15,918 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 17:29:15,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 17:29:15,921 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 17:29:15,923 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 17:29:15,924 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 17:29:15,925 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 17:29:15,926 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 17:29:15,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 17:29:15,929 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 17:29:15,929 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 17:29:15,930 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 17:29:15,931 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 17:29:15,932 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 17:29:15,932 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 17:29:15,934 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 17:29:15,934 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 17:29:15,934 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 17:29:15,935 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 17:29:15,935 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 17:29:15,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 17:29:15,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 17:29:15,937 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 17:29:15,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 17:29:15,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 17:29:15,951 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 17:29:15,951 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 17:29:15,952 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 17:29:15,953 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 17:29:15,953 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 17:29:15,953 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 17:29:15,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 17:29:15,953 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 17:29:15,954 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 17:29:15,954 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 17:29:15,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 17:29:15,954 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 17:29:15,954 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 17:29:15,955 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 17:29:15,955 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 17:29:15,955 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 17:29:15,955 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 17:29:15,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 17:29:15,955 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 17:29:15,957 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 17:29:15,957 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 17:29:16,001 INFO ]: Repository-Root is: /tmp [2018-06-26 17:29:16,021 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 17:29:16,026 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 17:29:16,028 INFO ]: Initializing SmtParser... [2018-06-26 17:29:16,028 INFO ]: SmtParser initialized [2018-06-26 17:29:16,029 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan.30.smt2 [2018-06-26 17:29:16,030 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 17:29:16,119 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan.30.smt2 unknown [2018-06-26 17:29:16,517 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan.30.smt2 [2018-06-26 17:29:16,521 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 17:29:16,527 INFO ]: Walking toolchain with 5 elements. [2018-06-26 17:29:16,528 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 17:29:16,528 INFO ]: Initializing ChcToBoogie... [2018-06-26 17:29:16,528 INFO ]: ChcToBoogie initialized [2018-06-26 17:29:16,531 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:29:16" (1/1) ... [2018-06-26 17:29:16,627 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16 Unit [2018-06-26 17:29:16,628 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 17:29:16,628 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 17:29:16,628 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 17:29:16,628 INFO ]: Boogie Preprocessor initialized [2018-06-26 17:29:16,648 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (1/1) ... [2018-06-26 17:29:16,649 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (1/1) ... [2018-06-26 17:29:16,660 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (1/1) ... [2018-06-26 17:29:16,660 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (1/1) ... [2018-06-26 17:29:16,674 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (1/1) ... [2018-06-26 17:29:16,678 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (1/1) ... [2018-06-26 17:29:16,685 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (1/1) ... [2018-06-26 17:29:16,690 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 17:29:16,690 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 17:29:16,690 INFO ]: Initializing RCFGBuilder... [2018-06-26 17:29:16,690 INFO ]: RCFGBuilder initialized [2018-06-26 17:29:16,691 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (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 17:29:16,701 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 17:29:16,701 INFO ]: Found specification of procedure gotoProc [2018-06-26 17:29:16,701 INFO ]: Found implementation of procedure gotoProc [2018-06-26 17:29:16,701 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 17:29:16,701 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 17:29:16,701 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 17:29:18,207 INFO ]: Using library mode [2018-06-26 17:29:18,208 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:29:18 BoogieIcfgContainer [2018-06-26 17:29:18,208 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 17:29:18,209 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 17:29:18,209 INFO ]: Initializing BlockEncodingV2... [2018-06-26 17:29:18,210 INFO ]: BlockEncodingV2 initialized [2018-06-26 17:29:18,210 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:29:18" (1/1) ... [2018-06-26 17:29:18,258 INFO ]: Initial Icfg 145 locations, 278 edges [2018-06-26 17:29:18,259 INFO ]: Using Remove infeasible edges [2018-06-26 17:29:18,260 INFO ]: Using Maximize final states [2018-06-26 17:29:18,260 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 17:29:18,261 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 17:29:18,262 INFO ]: Using Remove sink states [2018-06-26 17:29:18,263 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 17:29:18,263 INFO ]: Using Use SBE [2018-06-26 17:29:18,283 INFO ]: SBE split 0 edges [2018-06-26 17:29:18,293 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-26 17:29:18,296 INFO ]: 0 new accepting states [2018-06-26 17:29:19,004 INFO ]: Removed 47 edges and 7 locations by large block encoding [2018-06-26 17:29:19,008 INFO ]: Removed 1 edges and 1 locations by removing sink states [2018-06-26 17:29:19,013 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 17:29:19,013 INFO ]: 0 new accepting states [2018-06-26 17:29:19,019 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 17:29:19,020 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 17:29:19,022 INFO ]: Encoded RCFG 135 locations, 267 edges [2018-06-26 17:29:19,022 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:29:19 BasicIcfg [2018-06-26 17:29:19,022 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 17:29:19,026 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 17:29:19,026 INFO ]: Initializing TraceAbstraction... [2018-06-26 17:29:19,030 INFO ]: TraceAbstraction initialized [2018-06-26 17:29:19,030 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:29:16" (1/4) ... [2018-06-26 17:29:19,031 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc1aadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 05:29:19, skipping insertion in model container [2018-06-26 17:29:19,031 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:29:16" (2/4) ... [2018-06-26 17:29:19,032 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc1aadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 05:29:19, skipping insertion in model container [2018-06-26 17:29:19,032 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:29:18" (3/4) ... [2018-06-26 17:29:19,032 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc1aadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:29:19, skipping insertion in model container [2018-06-26 17:29:19,032 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:29:19" (4/4) ... [2018-06-26 17:29:19,034 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 17:29:19,044 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 17:29:19,059 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 17:29:19,107 INFO ]: Using default assertion order modulation [2018-06-26 17:29:19,108 INFO ]: Interprodecural is true [2018-06-26 17:29:19,108 INFO ]: Hoare is false [2018-06-26 17:29:19,108 INFO ]: Compute interpolants for FPandBP [2018-06-26 17:29:19,108 INFO ]: Backedges is TWOTRACK [2018-06-26 17:29:19,108 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 17:29:19,108 INFO ]: Difference is false [2018-06-26 17:29:19,108 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 17:29:19,108 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 17:29:19,130 INFO ]: Start isEmpty. Operand 135 states. [2018-06-26 17:29:19,185 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 17:29:19,185 INFO ]: Found error trace [2018-06-26 17:29:19,186 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 17:29:19,186 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:29:19,191 INFO ]: Analyzing trace with hash 173930473, now seen corresponding path program 1 times [2018-06-26 17:29:19,193 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:29:19,194 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:29:19,243 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:19,243 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:29:19,243 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:19,337 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:29:19,535 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:29:19,538 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:29:19,538 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 17:29:19,540 INFO ]: Interpolant automaton has 3 states [2018-06-26 17:29:19,552 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 17:29:19,553 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 17:29:19,557 INFO ]: Start difference. First operand 135 states. Second operand 3 states. [2018-06-26 17:29:21,768 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:29:21,768 INFO ]: Finished difference Result 267 states and 530 transitions. [2018-06-26 17:29:21,769 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 17:29:21,770 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 17:29:21,771 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:29:21,816 INFO ]: With dead ends: 267 [2018-06-26 17:29:21,816 INFO ]: Without dead ends: 267 [2018-06-26 17:29:21,818 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 17:29:21,836 INFO ]: Start minimizeSevpa. Operand 267 states. [2018-06-26 17:29:21,969 INFO ]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-06-26 17:29:21,970 INFO ]: Start removeUnreachable. Operand 267 states. [2018-06-26 17:29:21,999 INFO ]: Finished removeUnreachable. Reduced from 267 states to 267 states and 530 transitions. [2018-06-26 17:29:22,002 INFO ]: Start accepts. Automaton has 267 states and 530 transitions. Word has length 5 [2018-06-26 17:29:22,003 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:29:22,003 INFO ]: Abstraction has 267 states and 530 transitions. [2018-06-26 17:29:22,003 INFO ]: Interpolant automaton has 3 states. [2018-06-26 17:29:22,003 INFO ]: Start isEmpty. Operand 267 states and 530 transitions. [2018-06-26 17:29:22,018 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 17:29:22,018 INFO ]: Found error trace [2018-06-26 17:29:22,018 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 17:29:22,018 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:29:22,019 INFO ]: Analyzing trace with hash 173958342, now seen corresponding path program 1 times [2018-06-26 17:29:22,019 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:29:22,019 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:29:22,020 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:22,020 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:29:22,020 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:22,065 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:29:22,183 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:29:22,183 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:29:22,183 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 17:29:22,184 INFO ]: Interpolant automaton has 3 states [2018-06-26 17:29:22,184 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 17:29:22,184 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 17:29:22,185 INFO ]: Start difference. First operand 267 states and 530 transitions. Second operand 3 states. [2018-06-26 17:29:24,891 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:29:24,891 INFO ]: Finished difference Result 399 states and 794 transitions. [2018-06-26 17:29:24,891 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 17:29:24,891 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 17:29:24,891 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:29:24,916 INFO ]: With dead ends: 399 [2018-06-26 17:29:24,916 INFO ]: Without dead ends: 399 [2018-06-26 17:29:24,917 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 17:29:24,918 INFO ]: Start minimizeSevpa. Operand 399 states. [2018-06-26 17:29:24,985 INFO ]: Finished minimizeSevpa. Reduced states from 399 to 399. [2018-06-26 17:29:24,985 INFO ]: Start removeUnreachable. Operand 399 states. [2018-06-26 17:29:25,004 INFO ]: Finished removeUnreachable. Reduced from 399 states to 399 states and 794 transitions. [2018-06-26 17:29:25,004 INFO ]: Start accepts. Automaton has 399 states and 794 transitions. Word has length 5 [2018-06-26 17:29:25,004 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:29:25,004 INFO ]: Abstraction has 399 states and 794 transitions. [2018-06-26 17:29:25,004 INFO ]: Interpolant automaton has 3 states. [2018-06-26 17:29:25,004 INFO ]: Start isEmpty. Operand 399 states and 794 transitions. [2018-06-26 17:29:25,027 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:29:25,027 INFO ]: Found error trace [2018-06-26 17:29:25,027 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:29:25,027 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:29:25,027 INFO ]: Analyzing trace with hash 1441547490, now seen corresponding path program 1 times [2018-06-26 17:29:25,027 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:29:25,027 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:29:25,028 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:25,028 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:29:25,028 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:25,094 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:29:25,443 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:29:25,443 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:29:25,443 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:29:25,443 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:29:25,444 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:29:25,444 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:29:25,444 INFO ]: Start difference. First operand 399 states and 794 transitions. Second operand 5 states. [2018-06-26 17:29:29,092 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:29:29,092 INFO ]: Finished difference Result 840 states and 2145 transitions. [2018-06-26 17:29:29,092 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:29:29,092 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:29:29,092 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:29:29,237 INFO ]: With dead ends: 840 [2018-06-26 17:29:29,237 INFO ]: Without dead ends: 739 [2018-06-26 17:29:29,238 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:29:29,240 INFO ]: Start minimizeSevpa. Operand 739 states. [2018-06-26 17:29:29,438 INFO ]: Finished minimizeSevpa. Reduced states from 739 to 611. [2018-06-26 17:29:29,438 INFO ]: Start removeUnreachable. Operand 611 states. [2018-06-26 17:29:29,475 INFO ]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1348 transitions. [2018-06-26 17:29:29,475 INFO ]: Start accepts. Automaton has 611 states and 1348 transitions. Word has length 9 [2018-06-26 17:29:29,475 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:29:29,475 INFO ]: Abstraction has 611 states and 1348 transitions. [2018-06-26 17:29:29,475 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:29:29,475 INFO ]: Start isEmpty. Operand 611 states and 1348 transitions. [2018-06-26 17:29:29,549 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:29:29,550 INFO ]: Found error trace [2018-06-26 17:29:29,550 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:29:29,550 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:29:29,550 INFO ]: Analyzing trace with hash -1847389823, now seen corresponding path program 1 times [2018-06-26 17:29:29,550 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:29:29,550 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:29:29,552 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:29,552 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:29:29,552 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:29,582 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:29:29,777 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:29:29,777 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:29:29,777 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:29:29,777 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:29:29,777 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:29:29,777 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:29:29,777 INFO ]: Start difference. First operand 611 states and 1348 transitions. Second operand 5 states. [2018-06-26 17:29:34,183 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:29:34,184 INFO ]: Finished difference Result 1379 states and 4311 transitions. [2018-06-26 17:29:34,206 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:29:34,206 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:29:34,206 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:29:34,348 INFO ]: With dead ends: 1379 [2018-06-26 17:29:34,348 INFO ]: Without dead ends: 1373 [2018-06-26 17:29:34,348 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:29:34,349 INFO ]: Start minimizeSevpa. Operand 1373 states. [2018-06-26 17:29:34,674 INFO ]: Finished minimizeSevpa. Reduced states from 1373 to 985. [2018-06-26 17:29:34,675 INFO ]: Start removeUnreachable. Operand 985 states. [2018-06-26 17:29:34,729 INFO ]: Finished removeUnreachable. Reduced from 985 states to 985 states and 2672 transitions. [2018-06-26 17:29:34,729 INFO ]: Start accepts. Automaton has 985 states and 2672 transitions. Word has length 9 [2018-06-26 17:29:34,729 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:29:34,729 INFO ]: Abstraction has 985 states and 2672 transitions. [2018-06-26 17:29:34,729 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:29:34,729 INFO ]: Start isEmpty. Operand 985 states and 2672 transitions. [2018-06-26 17:29:34,755 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:29:34,755 INFO ]: Found error trace [2018-06-26 17:29:34,755 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:29:34,755 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:29:34,755 INFO ]: Analyzing trace with hash -1844619260, now seen corresponding path program 1 times [2018-06-26 17:29:34,755 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:29:34,755 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:29:34,757 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:34,757 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:29:34,757 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:34,800 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:29:35,131 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:29:35,131 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:29:35,131 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:29:35,131 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:29:35,131 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:29:35,131 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:29:35,131 INFO ]: Start difference. First operand 985 states and 2672 transitions. Second operand 5 states. [2018-06-26 17:29:38,307 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:29:38,307 INFO ]: Finished difference Result 1818 states and 6672 transitions. [2018-06-26 17:29:38,307 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:29:38,307 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:29:38,307 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:29:38,456 INFO ]: With dead ends: 1818 [2018-06-26 17:29:38,456 INFO ]: Without dead ends: 1660 [2018-06-26 17:29:38,457 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:29:38,458 INFO ]: Start minimizeSevpa. Operand 1660 states. [2018-06-26 17:29:38,956 INFO ]: Finished minimizeSevpa. Reduced states from 1660 to 1165. [2018-06-26 17:29:38,956 INFO ]: Start removeUnreachable. Operand 1165 states. [2018-06-26 17:29:39,028 INFO ]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 3770 transitions. [2018-06-26 17:29:39,028 INFO ]: Start accepts. Automaton has 1165 states and 3770 transitions. Word has length 9 [2018-06-26 17:29:39,028 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:29:39,028 INFO ]: Abstraction has 1165 states and 3770 transitions. [2018-06-26 17:29:39,028 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:29:39,028 INFO ]: Start isEmpty. Operand 1165 states and 3770 transitions. [2018-06-26 17:29:39,076 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 17:29:39,076 INFO ]: Found error trace [2018-06-26 17:29:39,076 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:29:39,076 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:29:39,077 INFO ]: Analyzing trace with hash -1047867138, now seen corresponding path program 1 times [2018-06-26 17:29:39,077 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:29:39,077 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:29:39,078 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:39,078 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:29:39,078 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:29:39,102 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:29:39,279 INFO ]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:29:39,279 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 17:29:39,295 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 17:29:39,301 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:29:39,374 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:29:39,382 INFO ]: Computing forward predicates... [2018-06-26 17:29:40,000 INFO ]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:29:40,036 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 17:29:40,036 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-06-26 17:29:40,036 INFO ]: Interpolant automaton has 10 states [2018-06-26 17:29:40,036 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-26 17:29:40,036 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-26 17:29:40,036 INFO ]: Start difference. First operand 1165 states and 3770 transitions. Second operand 10 states. [2018-06-26 17:29:58,356 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:29:58,356 INFO ]: Finished difference Result 4249 states and 21060 transitions. [2018-06-26 17:29:58,356 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-06-26 17:29:58,356 INFO ]: Start accepts. Automaton has 10 states. Word has length 10 [2018-06-26 17:29:58,356 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:29:59,409 INFO ]: With dead ends: 4249 [2018-06-26 17:29:59,409 INFO ]: Without dead ends: 2631 [2018-06-26 17:29:59,410 INFO ]: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=182, Invalid=810, Unknown=0, NotChecked=0, Total=992 [2018-06-26 17:29:59,411 INFO ]: Start minimizeSevpa. Operand 2631 states. [2018-06-26 17:30:00,582 INFO ]: Finished minimizeSevpa. Reduced states from 2631 to 1856. [2018-06-26 17:30:00,582 INFO ]: Start removeUnreachable. Operand 1856 states. [2018-06-26 17:30:00,671 INFO ]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 6396 transitions. [2018-06-26 17:30:00,671 INFO ]: Start accepts. Automaton has 1856 states and 6396 transitions. Word has length 10 [2018-06-26 17:30:00,671 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:30:00,671 INFO ]: Abstraction has 1856 states and 6396 transitions. [2018-06-26 17:30:00,671 INFO ]: Interpolant automaton has 10 states. [2018-06-26 17:30:00,671 INFO ]: Start isEmpty. Operand 1856 states and 6396 transitions. [2018-06-26 17:30:00,724 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 17:30:00,724 INFO ]: Found error trace [2018-06-26 17:30:00,724 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:30:00,724 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:30:00,750 INFO ]: Analyzing trace with hash 1654170458, now seen corresponding path program 1 times [2018-06-26 17:30:00,750 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:30:00,750 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:30:00,752 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:30:00,752 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:30:00,752 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:30:00,779 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:30:01,031 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:30:01,031 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:30:01,031 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-26 17:30:01,031 INFO ]: Interpolant automaton has 6 states [2018-06-26 17:30:01,031 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-26 17:30:01,031 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-26 17:30:01,032 INFO ]: Start difference. First operand 1856 states and 6396 transitions. Second operand 6 states. [2018-06-26 17:30:09,322 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:30:09,322 INFO ]: Finished difference Result 5525 states and 39658 transitions. [2018-06-26 17:30:09,323 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-26 17:30:09,323 INFO ]: Start accepts. Automaton has 6 states. Word has length 10 [2018-06-26 17:30:09,323 INFO ]: Finished accepts. some prefix is accepted. Received shutdown request... [2018-06-26 17:30:13,874 INFO ]: With dead ends: 5525 [2018-06-26 17:30:13,875 INFO ]: Without dead ends: 5238 [2018-06-26 17:30:13,875 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-06-26 17:30:13,876 INFO ]: Start minimizeSevpa. Operand 5238 states. [2018-06-26 17:30:13,877 WARN ]: Verification canceled [2018-06-26 17:30:13,879 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 17:30:13,880 WARN ]: Timeout [2018-06-26 17:30:13,881 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:30:13 BasicIcfg [2018-06-26 17:30:13,881 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 17:30:13,882 INFO ]: Toolchain (without parser) took 57359.56 ms. Allocated memory was 309.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 251.7 MB in the beginning and 1.2 GB in the end (delta: -925.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-26 17:30:13,883 INFO ]: SmtParser took 0.08 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. [2018-06-26 17:30:13,884 INFO ]: ChcToBoogie took 100.24 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 247.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:30:13,888 INFO ]: Boogie Preprocessor took 61.17 ms. Allocated memory is still 309.3 MB. Free memory was 247.7 MB in the beginning and 245.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:30:13,888 INFO ]: RCFGBuilder took 1517.94 ms. Allocated memory was 309.3 MB in the beginning and 324.5 MB in the end (delta: 15.2 MB). Free memory was 245.7 MB in the beginning and 285.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 63.6 MB. Max. memory is 3.6 GB. [2018-06-26 17:30:13,889 INFO ]: BlockEncodingV2 took 813.71 ms. Allocated memory is still 324.5 MB. Free memory was 285.4 MB in the beginning and 243.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 3.6 GB. [2018-06-26 17:30:13,889 INFO ]: TraceAbstraction took 54854.91 ms. Allocated memory was 324.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 243.2 MB in the beginning and 1.2 GB in the end (delta: -933.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-26 17:30:13,898 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 145 locations, 278 edges - StatisticsResult: Encoded RCFG 135 locations, 267 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 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 100.24 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 247.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 61.17 ms. Allocated memory is still 309.3 MB. Free memory was 247.7 MB in the beginning and 245.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1517.94 ms. Allocated memory was 309.3 MB in the beginning and 324.5 MB in the end (delta: 15.2 MB). Free memory was 245.7 MB in the beginning and 285.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 63.6 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 813.71 ms. Allocated memory is still 324.5 MB. Free memory was 285.4 MB in the beginning and 243.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 54854.91 ms. Allocated memory was 324.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 243.2 MB in the beginning and 1.2 GB in the end (delta: -933.6 MB). Peak memory consumption was 1.4 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 executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 135 locations, 1 error locations. TIMEOUT Result, 54.7s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 48.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4305 SDtfs, 1479 SDslu, 6293 SDs, 0 SdLazy, 25462 SolverSat, 5958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1856occurred in iteration=6, 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: 2.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 1786 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 1375 SizeOfPredicates, 10 NumberOfNonLiveVariables, 449 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 12/14 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/graham-scan.30.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_17-30-13-916.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan.30.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_17-30-13-916.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan.30.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_17-30-13-916.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan.30.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_17-30-13-916.csv Completed graceful shutdown