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-full.34.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 17:31:14,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 17:31:14,988 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 17:31:15,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 17:31:15,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 17:31:15,001 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 17:31:15,002 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 17:31:15,009 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 17:31:15,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 17:31:15,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 17:31:15,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 17:31:15,015 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 17:31:15,015 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 17:31:15,016 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 17:31:15,017 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 17:31:15,020 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 17:31:15,021 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 17:31:15,022 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 17:31:15,032 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 17:31:15,033 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 17:31:15,034 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 17:31:15,035 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 17:31:15,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 17:31:15,040 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 17:31:15,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 17:31:15,041 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 17:31:15,042 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 17:31:15,043 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 17:31:15,043 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 17:31:15,044 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 17:31:15,044 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 17:31:15,048 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-06-26 17:31:15,050 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 17:31:15,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 17:31:15,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 17:31:15,070 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 17:31:15,070 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 17:31:15,071 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 17:31:15,071 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 17:31:15,073 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 17:31:15,074 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 17:31:15,075 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 17:31:15,075 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 17:31:15,075 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 17:31:15,075 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 17:31:15,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 17:31:15,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 17:31:15,076 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 17:31:15,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 17:31:15,076 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 17:31:15,076 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 17:31:15,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 17:31:15,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 17:31:15,077 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 17:31:15,080 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 17:31:15,080 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 17:31:15,129 INFO ]: Repository-Root is: /tmp [2018-06-26 17:31:15,143 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 17:31:15,151 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 17:31:15,152 INFO ]: Initializing SmtParser... [2018-06-26 17:31:15,153 INFO ]: SmtParser initialized [2018-06-26 17:31:15,153 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.34.smt2 [2018-06-26 17:31:15,154 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 17:31:15,240 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.34.smt2 unknown [2018-06-26 17:31:15,667 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.34.smt2 [2018-06-26 17:31:15,674 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 17:31:15,681 INFO ]: Walking toolchain with 5 elements. [2018-06-26 17:31:15,681 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 17:31:15,681 INFO ]: Initializing ChcToBoogie... [2018-06-26 17:31:15,681 INFO ]: ChcToBoogie initialized [2018-06-26 17:31:15,685 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:31:15" (1/1) ... [2018-06-26 17:31:15,793 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15 Unit [2018-06-26 17:31:15,793 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 17:31:15,793 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 17:31:15,793 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 17:31:15,794 INFO ]: Boogie Preprocessor initialized [2018-06-26 17:31:15,815 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (1/1) ... [2018-06-26 17:31:15,815 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (1/1) ... [2018-06-26 17:31:15,837 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (1/1) ... [2018-06-26 17:31:15,837 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (1/1) ... [2018-06-26 17:31:15,867 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (1/1) ... [2018-06-26 17:31:15,871 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (1/1) ... [2018-06-26 17:31:15,875 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (1/1) ... [2018-06-26 17:31:15,879 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 17:31:15,880 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 17:31:15,880 INFO ]: Initializing RCFGBuilder... [2018-06-26 17:31:15,880 INFO ]: RCFGBuilder initialized [2018-06-26 17:31:15,881 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (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 17:31:15,893 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 17:31:15,893 INFO ]: Found specification of procedure gotoProc [2018-06-26 17:31:15,893 INFO ]: Found implementation of procedure gotoProc [2018-06-26 17:31:15,893 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 17:31:15,893 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 17:31:15,893 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 17:31:17,389 INFO ]: Using library mode [2018-06-26 17:31:17,390 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:31:17 BoogieIcfgContainer [2018-06-26 17:31:17,390 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 17:31:17,390 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 17:31:17,390 INFO ]: Initializing BlockEncodingV2... [2018-06-26 17:31:17,391 INFO ]: BlockEncodingV2 initialized [2018-06-26 17:31:17,392 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:31:17" (1/1) ... [2018-06-26 17:31:17,436 INFO ]: Initial Icfg 145 locations, 278 edges [2018-06-26 17:31:17,437 INFO ]: Using Remove infeasible edges [2018-06-26 17:31:17,439 INFO ]: Using Maximize final states [2018-06-26 17:31:17,439 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 17:31:17,439 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 17:31:17,441 INFO ]: Using Remove sink states [2018-06-26 17:31:17,442 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 17:31:17,442 INFO ]: Using Use SBE [2018-06-26 17:31:17,456 INFO ]: SBE split 0 edges [2018-06-26 17:31:17,462 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-26 17:31:17,464 INFO ]: 0 new accepting states [2018-06-26 17:31:18,192 INFO ]: Removed 47 edges and 7 locations by large block encoding [2018-06-26 17:31:18,198 INFO ]: Removed 1 edges and 1 locations by removing sink states [2018-06-26 17:31:18,200 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 17:31:18,203 INFO ]: 0 new accepting states [2018-06-26 17:31:18,205 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 17:31:18,206 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 17:31:18,211 INFO ]: Encoded RCFG 135 locations, 267 edges [2018-06-26 17:31:18,212 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:31:18 BasicIcfg [2018-06-26 17:31:18,212 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 17:31:18,213 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 17:31:18,213 INFO ]: Initializing TraceAbstraction... [2018-06-26 17:31:18,216 INFO ]: TraceAbstraction initialized [2018-06-26 17:31:18,216 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:31:15" (1/4) ... [2018-06-26 17:31:18,217 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6138fd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 05:31:18, skipping insertion in model container [2018-06-26 17:31:18,217 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:31:15" (2/4) ... [2018-06-26 17:31:18,217 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6138fd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 05:31:18, skipping insertion in model container [2018-06-26 17:31:18,217 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:31:17" (3/4) ... [2018-06-26 17:31:18,217 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6138fd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:31:18, skipping insertion in model container [2018-06-26 17:31:18,217 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:31:18" (4/4) ... [2018-06-26 17:31:18,220 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 17:31:18,231 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 17:31:18,246 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 17:31:18,291 INFO ]: Using default assertion order modulation [2018-06-26 17:31:18,291 INFO ]: Interprodecural is true [2018-06-26 17:31:18,291 INFO ]: Hoare is false [2018-06-26 17:31:18,291 INFO ]: Compute interpolants for FPandBP [2018-06-26 17:31:18,291 INFO ]: Backedges is TWOTRACK [2018-06-26 17:31:18,291 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 17:31:18,291 INFO ]: Difference is false [2018-06-26 17:31:18,291 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 17:31:18,292 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 17:31:18,310 INFO ]: Start isEmpty. Operand 135 states. [2018-06-26 17:31:18,375 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 17:31:18,375 INFO ]: Found error trace [2018-06-26 17:31:18,376 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 17:31:18,376 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:31:18,384 INFO ]: Analyzing trace with hash 173899721, now seen corresponding path program 1 times [2018-06-26 17:31:18,386 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:31:18,386 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:31:18,434 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:18,434 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:31:18,434 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:18,530 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:31:18,756 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:31:18,759 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:31:18,759 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 17:31:18,761 INFO ]: Interpolant automaton has 3 states [2018-06-26 17:31:18,775 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 17:31:18,776 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 17:31:18,779 INFO ]: Start difference. First operand 135 states. Second operand 3 states. [2018-06-26 17:31:21,183 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:31:21,183 INFO ]: Finished difference Result 267 states and 530 transitions. [2018-06-26 17:31:21,184 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 17:31:21,185 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 17:31:21,185 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:31:21,231 INFO ]: With dead ends: 267 [2018-06-26 17:31:21,231 INFO ]: Without dead ends: 267 [2018-06-26 17:31:21,233 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 17:31:21,252 INFO ]: Start minimizeSevpa. Operand 267 states. [2018-06-26 17:31:21,375 INFO ]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-06-26 17:31:21,380 INFO ]: Start removeUnreachable. Operand 267 states. [2018-06-26 17:31:21,407 INFO ]: Finished removeUnreachable. Reduced from 267 states to 267 states and 530 transitions. [2018-06-26 17:31:21,408 INFO ]: Start accepts. Automaton has 267 states and 530 transitions. Word has length 5 [2018-06-26 17:31:21,409 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:31:21,409 INFO ]: Abstraction has 267 states and 530 transitions. [2018-06-26 17:31:21,409 INFO ]: Interpolant automaton has 3 states. [2018-06-26 17:31:21,409 INFO ]: Start isEmpty. Operand 267 states and 530 transitions. [2018-06-26 17:31:21,423 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 17:31:21,423 INFO ]: Found error trace [2018-06-26 17:31:21,423 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 17:31:21,423 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:31:21,423 INFO ]: Analyzing trace with hash 173988133, now seen corresponding path program 1 times [2018-06-26 17:31:21,424 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:31:21,424 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:31:21,426 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:21,426 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:31:21,426 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:21,470 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:31:21,607 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:31:21,608 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:31:21,608 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 17:31:21,610 INFO ]: Interpolant automaton has 3 states [2018-06-26 17:31:21,610 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 17:31:21,610 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 17:31:21,610 INFO ]: Start difference. First operand 267 states and 530 transitions. Second operand 3 states. [2018-06-26 17:31:23,669 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:31:23,669 INFO ]: Finished difference Result 399 states and 794 transitions. [2018-06-26 17:31:23,670 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 17:31:23,670 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 17:31:23,670 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:31:23,702 INFO ]: With dead ends: 399 [2018-06-26 17:31:23,702 INFO ]: Without dead ends: 399 [2018-06-26 17:31:23,702 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 17:31:23,703 INFO ]: Start minimizeSevpa. Operand 399 states. [2018-06-26 17:31:23,814 INFO ]: Finished minimizeSevpa. Reduced states from 399 to 399. [2018-06-26 17:31:23,814 INFO ]: Start removeUnreachable. Operand 399 states. [2018-06-26 17:31:23,843 INFO ]: Finished removeUnreachable. Reduced from 399 states to 399 states and 794 transitions. [2018-06-26 17:31:23,843 INFO ]: Start accepts. Automaton has 399 states and 794 transitions. Word has length 5 [2018-06-26 17:31:23,843 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:31:23,843 INFO ]: Abstraction has 399 states and 794 transitions. [2018-06-26 17:31:23,843 INFO ]: Interpolant automaton has 3 states. [2018-06-26 17:31:23,843 INFO ]: Start isEmpty. Operand 399 states and 794 transitions. [2018-06-26 17:31:23,899 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:31:23,899 INFO ]: Found error trace [2018-06-26 17:31:23,899 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:31:23,900 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:31:23,900 INFO ]: Analyzing trace with hash 48165785, now seen corresponding path program 1 times [2018-06-26 17:31:23,900 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:31:23,900 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:31:23,901 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:23,901 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:31:23,901 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:23,956 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:31:24,348 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:31:24,348 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:31:24,348 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:31:24,349 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:31:24,349 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:31:24,349 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:31:24,349 INFO ]: Start difference. First operand 399 states and 794 transitions. Second operand 5 states. [2018-06-26 17:31:28,403 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:31:28,404 INFO ]: Finished difference Result 1005 states and 2964 transitions. [2018-06-26 17:31:28,404 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:31:28,404 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:31:28,404 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:31:28,543 INFO ]: With dead ends: 1005 [2018-06-26 17:31:28,543 INFO ]: Without dead ends: 1000 [2018-06-26 17:31:28,543 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:31:28,544 INFO ]: Start minimizeSevpa. Operand 1000 states. [2018-06-26 17:31:28,814 INFO ]: Finished minimizeSevpa. Reduced states from 1000 to 772. [2018-06-26 17:31:28,815 INFO ]: Start removeUnreachable. Operand 772 states. [2018-06-26 17:31:28,854 INFO ]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1995 transitions. [2018-06-26 17:31:28,854 INFO ]: Start accepts. Automaton has 772 states and 1995 transitions. Word has length 9 [2018-06-26 17:31:28,854 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:31:28,854 INFO ]: Abstraction has 772 states and 1995 transitions. [2018-06-26 17:31:28,854 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:31:28,854 INFO ]: Start isEmpty. Operand 772 states and 1995 transitions. [2018-06-26 17:31:28,885 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:31:28,904 INFO ]: Found error trace [2018-06-26 17:31:28,904 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:31:28,904 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:31:28,904 INFO ]: Analyzing trace with hash -891925094, now seen corresponding path program 1 times [2018-06-26 17:31:28,904 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:31:28,904 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:31:28,905 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:28,905 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:31:28,905 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:28,940 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:31:29,129 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:31:29,129 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:31:29,129 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:31:29,129 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:31:29,129 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:31:29,129 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:31:29,129 INFO ]: Start difference. First operand 772 states and 1995 transitions. Second operand 5 states. [2018-06-26 17:31:33,210 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:31:33,211 INFO ]: Finished difference Result 1462 states and 4591 transitions. [2018-06-26 17:31:33,211 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:31:33,211 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:31:33,211 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:31:33,389 INFO ]: With dead ends: 1462 [2018-06-26 17:31:33,389 INFO ]: Without dead ends: 1337 [2018-06-26 17:31:33,389 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:31:33,390 INFO ]: Start minimizeSevpa. Operand 1337 states. [2018-06-26 17:31:33,733 INFO ]: Finished minimizeSevpa. Reduced states from 1337 to 1009. [2018-06-26 17:31:33,733 INFO ]: Start removeUnreachable. Operand 1009 states. [2018-06-26 17:31:33,789 INFO ]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 2798 transitions. [2018-06-26 17:31:33,789 INFO ]: Start accepts. Automaton has 1009 states and 2798 transitions. Word has length 9 [2018-06-26 17:31:33,789 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:31:33,789 INFO ]: Abstraction has 1009 states and 2798 transitions. [2018-06-26 17:31:33,789 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:31:33,789 INFO ]: Start isEmpty. Operand 1009 states and 2798 transitions. [2018-06-26 17:31:33,834 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 17:31:33,834 INFO ]: Found error trace [2018-06-26 17:31:33,834 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:31:33,834 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:31:33,835 INFO ]: Analyzing trace with hash 1001091600, now seen corresponding path program 1 times [2018-06-26 17:31:33,835 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:31:33,835 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:31:33,835 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:33,835 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:31:33,835 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:33,874 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:31:34,382 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:31:34,382 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:31:34,382 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-26 17:31:34,382 INFO ]: Interpolant automaton has 6 states [2018-06-26 17:31:34,382 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-26 17:31:34,382 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-26 17:31:34,383 INFO ]: Start difference. First operand 1009 states and 2798 transitions. Second operand 6 states. [2018-06-26 17:31:36,926 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:31:36,926 INFO ]: Finished difference Result 1662 states and 7177 transitions. [2018-06-26 17:31:36,926 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:31:36,926 INFO ]: Start accepts. Automaton has 6 states. Word has length 10 [2018-06-26 17:31:36,926 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:31:37,113 INFO ]: With dead ends: 1662 [2018-06-26 17:31:37,113 INFO ]: Without dead ends: 1656 [2018-06-26 17:31:37,113 INFO ]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-06-26 17:31:37,114 INFO ]: Start minimizeSevpa. Operand 1656 states. [2018-06-26 17:31:37,731 INFO ]: Finished minimizeSevpa. Reduced states from 1656 to 1012. [2018-06-26 17:31:37,731 INFO ]: Start removeUnreachable. Operand 1012 states. [2018-06-26 17:31:37,766 INFO ]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 3327 transitions. [2018-06-26 17:31:37,775 INFO ]: Start accepts. Automaton has 1012 states and 3327 transitions. Word has length 10 [2018-06-26 17:31:37,776 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:31:37,776 INFO ]: Abstraction has 1012 states and 3327 transitions. [2018-06-26 17:31:37,776 INFO ]: Interpolant automaton has 6 states. [2018-06-26 17:31:37,776 INFO ]: Start isEmpty. Operand 1012 states and 3327 transitions. [2018-06-26 17:31:37,831 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 17:31:37,857 INFO ]: Found error trace [2018-06-26 17:31:37,857 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:31:37,857 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:31:37,857 INFO ]: Analyzing trace with hash 285957471, now seen corresponding path program 1 times [2018-06-26 17:31:37,857 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:31:37,858 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:31:37,858 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:37,858 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:31:37,858 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:37,885 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:31:38,158 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:31:38,158 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:31:38,158 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-26 17:31:38,158 INFO ]: Interpolant automaton has 6 states [2018-06-26 17:31:38,158 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-26 17:31:38,158 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-26 17:31:38,159 INFO ]: Start difference. First operand 1012 states and 3327 transitions. Second operand 6 states. [2018-06-26 17:31:45,930 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:31:45,930 INFO ]: Finished difference Result 3465 states and 24553 transitions. [2018-06-26 17:31:45,930 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-26 17:31:45,931 INFO ]: Start accepts. Automaton has 6 states. Word has length 10 [2018-06-26 17:31:45,931 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:31:46,835 INFO ]: With dead ends: 3465 [2018-06-26 17:31:46,835 INFO ]: Without dead ends: 3232 [2018-06-26 17:31:46,835 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-06-26 17:31:46,837 INFO ]: Start minimizeSevpa. Operand 3232 states. [2018-06-26 17:31:50,303 INFO ]: Finished minimizeSevpa. Reduced states from 3232 to 2160. [2018-06-26 17:31:50,303 INFO ]: Start removeUnreachable. Operand 2160 states. [2018-06-26 17:31:50,583 INFO ]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 9936 transitions. [2018-06-26 17:31:50,583 INFO ]: Start accepts. Automaton has 2160 states and 9936 transitions. Word has length 10 [2018-06-26 17:31:50,583 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:31:50,583 INFO ]: Abstraction has 2160 states and 9936 transitions. [2018-06-26 17:31:50,583 INFO ]: Interpolant automaton has 6 states. [2018-06-26 17:31:50,583 INFO ]: Start isEmpty. Operand 2160 states and 9936 transitions. [2018-06-26 17:31:50,652 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 17:31:50,652 INFO ]: Found error trace [2018-06-26 17:31:50,652 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:31:50,652 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:31:50,658 INFO ]: Analyzing trace with hash -343454070, now seen corresponding path program 1 times [2018-06-26 17:31:50,658 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:31:50,658 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:31:50,659 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:50,659 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:31:50,659 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:31:50,681 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:31:51,178 INFO ]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:31:51,179 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 17:31:51,179 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 17:31:51,196 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:31:51,269 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:31:51,282 INFO ]: Computing forward predicates... [2018-06-26 17:31:51,591 INFO ]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:31:51,629 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 17:31:51,629 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-06-26 17:31:51,629 INFO ]: Interpolant automaton has 10 states [2018-06-26 17:31:51,630 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-26 17:31:51,630 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-26 17:31:51,630 INFO ]: Start difference. First operand 2160 states and 9936 transitions. Second operand 10 states. [2018-06-26 17:32:10,383 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:32:10,383 INFO ]: Finished difference Result 5010 states and 36959 transitions. [2018-06-26 17:32:10,384 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-06-26 17:32:10,384 INFO ]: Start accepts. Automaton has 10 states. Word has length 10 [2018-06-26 17:32:10,384 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:32:12,698 INFO ]: With dead ends: 5010 [2018-06-26 17:32:12,699 INFO ]: Without dead ends: 4387 [2018-06-26 17:32:12,699 INFO ]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2018-06-26 17:32:12,702 INFO ]: Start minimizeSevpa. Operand 4387 states. Received shutdown request... [2018-06-26 17:32:13,373 WARN ]: Verification canceled [2018-06-26 17:32:13,376 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 17:32:13,377 WARN ]: Timeout [2018-06-26 17:32:13,377 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:32:13 BasicIcfg [2018-06-26 17:32:13,377 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 17:32:13,378 INFO ]: Toolchain (without parser) took 57703.47 ms. Allocated memory was 309.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 251.9 MB in the beginning and 475.0 MB in the end (delta: -223.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-26 17:32:13,380 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 17:32:13,380 INFO ]: ChcToBoogie took 112.06 ms. Allocated memory is still 309.3 MB. Free memory was 250.9 MB in the beginning and 247.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:32:13,381 INFO ]: Boogie Preprocessor took 86.09 ms. Allocated memory is still 309.3 MB. Free memory was 247.9 MB in the beginning and 245.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:32:13,388 INFO ]: RCFGBuilder took 1509.83 ms. Allocated memory was 309.3 MB in the beginning and 324.5 MB in the end (delta: 15.2 MB). Free memory was 244.9 MB in the beginning and 285.4 MB in the end (delta: -40.5 MB). Peak memory consumption was 62.8 MB. Max. memory is 3.6 GB. [2018-06-26 17:32:13,389 INFO ]: BlockEncodingV2 took 821.55 ms. Allocated memory is still 324.5 MB. Free memory was 285.4 MB in the beginning and 241.6 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 3.6 GB. [2018-06-26 17:32:13,389 INFO ]: TraceAbstraction took 55164.86 ms. Allocated memory was 324.5 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 241.6 MB in the beginning and 475.0 MB in the end (delta: -233.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-26 17:32:13,400 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 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 112.06 ms. Allocated memory is still 309.3 MB. Free memory was 250.9 MB in the beginning and 247.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 86.09 ms. Allocated memory is still 309.3 MB. Free memory was 247.9 MB in the beginning and 245.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1509.83 ms. Allocated memory was 309.3 MB in the beginning and 324.5 MB in the end (delta: 15.2 MB). Free memory was 244.9 MB in the beginning and 285.4 MB in the end (delta: -40.5 MB). Peak memory consumption was 62.8 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 821.55 ms. Allocated memory is still 324.5 MB. Free memory was 285.4 MB in the beginning and 241.6 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 55164.86 ms. Allocated memory was 324.5 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 241.6 MB in the beginning and 475.0 MB in the end (delta: -233.4 MB). Peak memory consumption was 1.1 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, 55.0s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 45.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3827 SDtfs, 953 SDslu, 6112 SDs, 0 SdLazy, 22850 SolverSat, 3682 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2160occurred 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: 6.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 2272 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 1428 SizeOfPredicates, 11 NumberOfNonLiveVariables, 465 ConjunctsInSsa, 17 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-full.34.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_17-32-13-416.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan-full.34.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_17-32-13-416.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan-full.34.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_17-32-13-416.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan-full.34.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_17-32-13-416.csv Completed graceful shutdown