java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 09:55:28,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 09:55:28,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 09:55:28,621 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 09:55:28,621 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 09:55:28,622 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 09:55:28,623 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 09:55:28,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 09:55:28,627 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 09:55:28,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 09:55:28,631 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 09:55:28,631 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 09:55:28,632 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 09:55:28,635 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 09:55:28,638 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 09:55:28,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 09:55:28,640 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 09:55:28,642 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 09:55:28,644 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 09:55:28,646 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 09:55:28,647 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 09:55:28,649 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 09:55:28,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 09:55:28,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 09:55:28,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 09:55:28,654 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 09:55:28,655 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 09:55:28,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 09:55:28,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 09:55:28,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 09:55:28,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 09:55:28,660 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 09:55:28,660 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 09:55:28,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 09:55:28,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 09:55:28,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 09:55:28,663 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-28 09:55:28,679 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 09:55:28,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 09:55:28,681 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 09:55:28,681 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 09:55:28,681 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 09:55:28,682 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 09:55:28,682 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 09:55:28,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 09:55:28,682 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 09:55:28,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 09:55:28,683 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 09:55:28,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 09:55:28,683 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 09:55:28,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 09:55:28,684 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 09:55:28,684 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 09:55:28,684 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 09:55:28,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 09:55:28,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 09:55:28,685 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 09:55:28,685 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 09:55:28,685 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 09:55:28,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 09:55:28,685 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 09:55:28,686 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 09:55:28,686 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 09:55:28,686 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 09:55:28,686 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 09:55:28,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 09:55:28,687 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 09:55:28,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 09:55:28,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 09:55:28,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 09:55:28,780 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 09:55:28,780 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 09:55:28,781 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl [2018-09-28 09:55:28,782 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl' [2018-09-28 09:55:28,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 09:55:28,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 09:55:28,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 09:55:28,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 09:55:28,845 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 09:55:28,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,884 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 09:55:28,885 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 09:55:28,885 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 09:55:28,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 09:55:28,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 09:55:28,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 09:55:28,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 09:55:28,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... [2018-09-28 09:55:28,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 09:55:28,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 09:55:28,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 09:55:28,915 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 09:55:28,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 09:55:28,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-28 09:55:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-28 09:55:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-28 09:55:29,546 INFO L350 CfgBuilder]: Using library mode [2018-09-28 09:55:29,547 INFO L202 PluginConnector]: Adding new model DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 09:55:29 BoogieIcfgContainer [2018-09-28 09:55:29,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 09:55:29,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-28 09:55:29,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-28 09:55:29,559 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-28 09:55:29,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 09:55:28" (1/2) ... [2018-09-28 09:55:29,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530485a7 and model type DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.09 09:55:29, skipping insertion in model container [2018-09-28 09:55:29,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 09:55:29" (2/2) ... [2018-09-28 09:55:29,568 INFO L112 eAbstractionObserver]: Analyzing ICFG DraegerElevator-FSEN2007.bpl [2018-09-28 09:55:29,579 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-28 09:55:29,592 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-28 09:55:29,649 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-28 09:55:29,650 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-28 09:55:29,650 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-28 09:55:29,650 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-28 09:55:29,650 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-28 09:55:29,651 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-28 09:55:29,651 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-28 09:55:29,651 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-28 09:55:29,651 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-28 09:55:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-09-28 09:55:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-28 09:55:29,685 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 09:55:29,686 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-28 09:55:29,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-28 09:55:29,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 09:55:29,695 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-09-28 09:55:29,697 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 09:55:29,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 09:55:29,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 09:55:29,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 09:55:29,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 09:55:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 09:55:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 09:55:29,912 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 09:55:29,913 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-28 09:55:29,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 09:55:29,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 09:55:29,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 09:55:29,937 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2018-09-28 09:55:30,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 09:55:30,110 INFO L93 Difference]: Finished difference Result 21 states and 35 transitions. [2018-09-28 09:55:30,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 09:55:30,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-28 09:55:30,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 09:55:30,124 INFO L225 Difference]: With dead ends: 21 [2018-09-28 09:55:30,125 INFO L226 Difference]: Without dead ends: 19 [2018-09-28 09:55:30,129 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 09:55:30,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-09-28 09:55:30,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-09-28 09:55:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-09-28 09:55:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 33 transitions. [2018-09-28 09:55:30,170 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 33 transitions. Word has length 2 [2018-09-28 09:55:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 09:55:30,171 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 33 transitions. [2018-09-28 09:55:30,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 09:55:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2018-09-28 09:55:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 09:55:30,172 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 09:55:30,172 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 09:55:30,172 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-28 09:55:30,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 09:55:30,173 INFO L82 PathProgramCache]: Analyzing trace with hash 2056286332, now seen corresponding path program 1 times [2018-09-28 09:55:30,173 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 09:55:30,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 09:55:30,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 09:55:30,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 09:55:30,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 09:55:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 09:55:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 09:55:30,202 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 09:55:30,202 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 09:55:30,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 09:55:30,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 09:55:30,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 09:55:30,205 INFO L87 Difference]: Start difference. First operand 19 states and 33 transitions. Second operand 3 states. [2018-09-28 09:55:30,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 09:55:30,283 INFO L93 Difference]: Finished difference Result 43 states and 75 transitions. [2018-09-28 09:55:30,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 09:55:30,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-09-28 09:55:30,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 09:55:30,285 INFO L225 Difference]: With dead ends: 43 [2018-09-28 09:55:30,285 INFO L226 Difference]: Without dead ends: 25 [2018-09-28 09:55:30,287 INFO L605 BasicCegarLoop]: 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 [2018-09-28 09:55:30,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-09-28 09:55:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-09-28 09:55:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-09-28 09:55:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2018-09-28 09:55:30,296 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 39 transitions. Word has length 9 [2018-09-28 09:55:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 09:55:30,297 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 39 transitions. [2018-09-28 09:55:30,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 09:55:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2018-09-28 09:55:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 09:55:30,298 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 09:55:30,298 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 09:55:30,299 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-28 09:55:30,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 09:55:30,299 INFO L82 PathProgramCache]: Analyzing trace with hash 2113544634, now seen corresponding path program 1 times [2018-09-28 09:55:30,301 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 09:55:30,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 09:55:30,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 09:55:30,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 09:55:30,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 09:55:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 09:55:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 09:55:30,329 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 09:55:30,329 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 09:55:30,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 09:55:30,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 09:55:30,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 09:55:30,330 INFO L87 Difference]: Start difference. First operand 25 states and 39 transitions. Second operand 3 states. [2018-09-28 09:55:30,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 09:55:30,410 INFO L93 Difference]: Finished difference Result 56 states and 87 transitions. [2018-09-28 09:55:30,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 09:55:30,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-09-28 09:55:30,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 09:55:30,412 INFO L225 Difference]: With dead ends: 56 [2018-09-28 09:55:30,412 INFO L226 Difference]: Without dead ends: 32 [2018-09-28 09:55:30,413 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 09:55:30,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-09-28 09:55:30,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2018-09-28 09:55:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-09-28 09:55:30,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 46 transitions. [2018-09-28 09:55:30,419 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 46 transitions. Word has length 9 [2018-09-28 09:55:30,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 09:55:30,420 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 46 transitions. [2018-09-28 09:55:30,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 09:55:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-09-28 09:55:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 09:55:30,421 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 09:55:30,421 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 09:55:30,421 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-28 09:55:30,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 09:55:30,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1212618068, now seen corresponding path program 1 times [2018-09-28 09:55:30,422 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 09:55:30,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 09:55:30,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 09:55:30,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 09:55:30,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 09:55:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 09:55:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 09:55:30,720 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 09:55:30,721 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-28 09:55:30,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 09:55:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 09:55:30,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 09:55:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 09:55:30,858 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-28 09:55:30,859 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-28 09:55:30,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-28 09:55:30,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-28 09:55:30,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-28 09:55:30,861 INFO L87 Difference]: Start difference. First operand 31 states and 46 transitions. Second operand 6 states. [2018-09-28 09:55:31,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 09:55:31,337 INFO L93 Difference]: Finished difference Result 59 states and 86 transitions. [2018-09-28 09:55:31,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-28 09:55:31,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-09-28 09:55:31,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 09:55:31,339 INFO L225 Difference]: With dead ends: 59 [2018-09-28 09:55:31,339 INFO L226 Difference]: Without dead ends: 0 [2018-09-28 09:55:31,342 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-09-28 09:55:31,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-28 09:55:31,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-28 09:55:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-28 09:55:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-28 09:55:31,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-09-28 09:55:31,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 09:55:31,343 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-28 09:55:31,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-28 09:55:31,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-28 09:55:31,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 09:55:31,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-28 09:55:31,489 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 1 60) no Hoare annotation was computed. [2018-09-28 09:55:31,490 INFO L426 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2018-09-28 09:55:31,490 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINVARIANTandASSERT(line 10) no Hoare annotation was computed. [2018-09-28 09:55:31,490 INFO L426 ceAbstractionStarter]: For program point L52(lines 52 57) no Hoare annotation was computed. [2018-09-28 09:55:31,490 INFO L426 ceAbstractionStarter]: For program point L19(lines 19 45) no Hoare annotation was computed. [2018-09-28 09:55:31,491 INFO L422 ceAbstractionStarter]: At program point L48(lines 9 59) the Hoare annotation is: (let ((.cse0 (<= main_input main_max)) (.cse1 (<= main_current main_max))) (or (and .cse0 .cse1 (<= main_req main_max)) (and .cse0 .cse1 (= main_pc 0)))) [2018-09-28 09:55:31,491 INFO L426 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-09-28 09:55:31,491 INFO L426 ceAbstractionStarter]: For program point L20(lines 20 31) no Hoare annotation was computed. [2018-09-28 09:55:31,492 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 57) no Hoare annotation was computed. [2018-09-28 09:55:31,492 INFO L426 ceAbstractionStarter]: For program point L13(lines 13 16) no Hoare annotation was computed. [2018-09-28 09:55:31,492 INFO L426 ceAbstractionStarter]: For program point L13-2(lines 13 32) no Hoare annotation was computed. [2018-09-28 09:55:31,492 INFO L426 ceAbstractionStarter]: For program point L9-1(lines 1 60) no Hoare annotation was computed. [2018-09-28 09:55:31,492 INFO L426 ceAbstractionStarter]: For program point mainENTRY(lines 1 60) no Hoare annotation was computed. [2018-09-28 09:55:31,492 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 31) no Hoare annotation was computed. [2018-09-28 09:55:31,492 INFO L426 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-09-28 09:55:31,493 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 58) no Hoare annotation was computed. [2018-09-28 09:55:31,504 INFO L202 PluginConnector]: Adding new model DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.09 09:55:31 BoogieIcfgContainer [2018-09-28 09:55:31,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-28 09:55:31,506 INFO L168 Benchmark]: Toolchain (without parser) took 2664.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-28 09:55:31,508 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.90 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 09:55:31,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 09:55:31,509 INFO L168 Benchmark]: Boogie Preprocessor took 26.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 09:55:31,510 INFO L168 Benchmark]: RCFGBuilder took 632.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 09:55:31,511 INFO L168 Benchmark]: TraceAbstraction took 1956.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-09-28 09:55:31,516 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.90 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 632.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1956.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: loop invariant is valid and assertion always holds For all program executions holds that loop invariant is valid and assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: ((input <= max && current <= max) && req <= max) || ((input <= max && current <= max) && pc == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 76 SDtfs, 126 SDslu, 33 SDs, 0 SdLazy, 93 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 11 NumberOfFragments, 21 HoareAnnotationTreeSize, 1 FomulaSimplifications, 121 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 755 SizeOfPredicates, 2 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DraegerElevator-FSEN2007.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-28_09-55-31-529.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DraegerElevator-FSEN2007.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-28_09-55-31-529.csv Received shutdown request...