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 -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/real-life/Elevator-Integer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:26:20,010 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:26:20,013 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:26:20,029 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:26:20,029 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:26:20,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:26:20,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:26:20,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:26:20,035 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:26:20,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:26:20,037 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:26:20,037 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:26:20,038 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:26:20,039 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:26:20,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:26:20,041 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:26:20,042 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:26:20,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:26:20,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:26:20,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:26:20,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:26:20,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:26:20,053 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:26:20,053 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:26:20,054 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:26:20,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:26:20,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:26:20,057 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:26:20,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:26:20,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:26:20,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:26:20,060 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:26:20,060 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:26:20,060 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:26:20,061 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:26:20,062 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:26:20,063 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:26:20,072 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:26:20,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:26:20,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:26:20,074 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:26:20,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:26:20,075 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:26:20,075 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:26:20,075 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:26:20,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:26:20,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:26:20,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:26:20,147 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:26:20,147 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:26:20,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-09-26 09:26:20,148 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-09-26 09:26:20,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:26:20,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:26:20,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:26:20,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:26:20,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:26:20,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,254 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:26:20,255 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:26:20,255 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:26:20,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:26:20,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:26:20,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:26:20,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:26:20,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:26:20,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:26:20,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:26:20,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:26:20,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/1) ... [2018-09-26 09:26:20,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-26 09:26:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-26 09:26:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-26 09:26:21,172 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:26:21,173 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:26:21 BoogieIcfgContainer [2018-09-26 09:26:21,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:26:21,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:26:21,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:26:21,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:26:21,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:20" (1/2) ... [2018-09-26 09:26:21,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad5ac62 and model type Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:26:21, skipping insertion in model container [2018-09-26 09:26:21,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:26:21" (2/2) ... [2018-09-26 09:26:21,182 INFO L112 eAbstractionObserver]: Analyzing ICFG Elevator-Integer.bpl [2018-09-26 09:26:21,192 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:26:21,200 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:26:21,242 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:26:21,243 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:26:21,243 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:26:21,243 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:26:21,243 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:26:21,244 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:26:21,244 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:26:21,244 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:26:21,244 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:26:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 09:26:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:26:21,267 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:26:21,268 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:26:21,269 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:26:21,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:26:21,276 INFO L82 PathProgramCache]: Analyzing trace with hash 35564, now seen corresponding path program 1 times [2018-09-26 09:26:21,282 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:26:22,506 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 09:26:22,592 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-09-26 09:26:29,703 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7680 conjuctions. [2018-09-26 09:26:29,905 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 09:26:29,972 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8640 conjuctions. This might take some time... [2018-09-26 09:26:38,023 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 8640 conjuctions. [2018-09-26 09:26:38,349 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 09:26:38,405 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10752 conjuctions. This might take some time... [2018-09-26 09:26:54,618 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10752 conjuctions. [2018-09-26 09:26:54,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 09:26:54,699 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7680 conjuctions. This might take some time... [2018-09-26 09:27:04,831 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7680 conjuctions. [2018-09-26 09:27:12,882 WARN L178 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 913 DAG size of output: 77 [2018-09-26 09:27:13,039 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 09:27:13,083 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:27:13,083 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:27:13,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:27:13,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:27:13,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:27:13,100 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-09-26 09:27:13,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:27:13,214 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-09-26 09:27:13,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 09:27:13,216 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 09:27:13,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:27:13,232 INFO L225 Difference]: With dead ends: 9 [2018-09-26 09:27:13,233 INFO L226 Difference]: Without dead ends: 6 [2018-09-26 09:27:13,241 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-26 09:27:13,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-09-26 09:27:13,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-09-26 09:27:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-09-26 09:27:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 09:27:13,277 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2018-09-26 09:27:13,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:27:13,277 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-09-26 09:27:13,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:27:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 09:27:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 09:27:13,278 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:27:13,278 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-09-26 09:27:13,279 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:27:13,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:27:13,280 INFO L82 PathProgramCache]: Analyzing trace with hash 34183738, now seen corresponding path program 1 times [2018-09-26 09:27:13,280 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:27:17,594 WARN L178 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 901 DAG size of output: 77 [2018-09-26 09:27:17,720 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 09:27:18,609 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 09:27:18,695 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-26 09:27:22,640 WARN L178 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 722 DAG size of output: 67 [2018-09-26 09:27:23,176 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2018-09-26 09:27:23,687 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2018-09-26 09:27:41,171 WARN L178 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 1485 DAG size of output: 85 [2018-09-26 09:27:41,415 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-09-26 09:27:42,199 WARN L178 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 127 [2018-09-26 09:27:43,724 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-09-26 09:27:43,904 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-09-26 09:27:44,221 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2018-09-26 09:27:48,165 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,179 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,206 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,232 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,303 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,339 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,357 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,405 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,413 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,427 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,450 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,463 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,474 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,571 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,599 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,614 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,685 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,706 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,745 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:48,768 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,790 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,837 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,885 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:48,953 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:49,008 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:49,074 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-09-26 09:27:49,089 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:49,127 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-26 09:27:49,182 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 09:27:49,237 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 09:27:49,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 09:27:49,309 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 09:27:49,415 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 09:27:49,460 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 09:27:49,528 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 09:27:49,563 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-09-26 09:27:54,607 ERROR L236 seRefinementStrategy]: Caught known exception: Cannot handle literal (exists ((v_prenex_1789 Int)) (not (or (= |c_Elevator_goal'| (+ |c_Elevator_current'| v_prenex_1789)) (<= (+ c_Elevator_min (- |c_Elevator_current'|) (* (- 2) v_prenex_1789)) 0)))) [2018-09-26 09:27:54,608 INFO L251 seRefinementStrategy]: Global settings require throwing the exception. [2018-09-26 09:27:54,609 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((v_prenex_1789 Int)) (not (or (= |c_Elevator_goal'| (+ |c_Elevator_current'| v_prenex_1789)) (<= (+ c_Elevator_min (- |c_Elevator_current'|) (* (- 2) v_prenex_1789)) 0)))) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:253) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((v_prenex_1789 Int)) (not (or (= |c_Elevator_goal'| (+ |c_Elevator_current'| v_prenex_1789)) (<= (+ c_Elevator_min (- |c_Elevator_current'|) (* (- 2) v_prenex_1789)) 0)))) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.Clausifier$CollectLiterals.perform(Clausifier.java:788) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.Clausifier.run(Clausifier.java:1604) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.Clausifier.addFormula(Clausifier.java:1667) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.assertTerm(SMTInterpol.java:666) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.assertTerm(ManagedScript.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:82) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:823) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:382) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.computePdr(Pdr.java:291) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.(Pdr.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructPdr(TraceCheckConstructor.java:274) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) ... 19 more [2018-09-26 09:27:54,615 INFO L168 Benchmark]: Toolchain (without parser) took 94402.47 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 727.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:27:54,617 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:27:54,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:27:54,619 INFO L168 Benchmark]: Boogie Preprocessor took 30.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:27:54,620 INFO L168 Benchmark]: RCFGBuilder took 884.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-26 09:27:54,621 INFO L168 Benchmark]: TraceAbstraction took 93439.77 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 685.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:27:54,631 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 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 884.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 93439.77 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 685.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((v_prenex_1789 Int)) (not (or (= |c_Elevator_goal'| (+ |c_Elevator_current'| v_prenex_1789)) (<= (+ c_Elevator_min (- |c_Elevator_current'|) (* (- 2) v_prenex_1789)) 0)))) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((v_prenex_1789 Int)) (not (or (= |c_Elevator_goal'| (+ |c_Elevator_current'| v_prenex_1789)) (<= (+ c_Elevator_min (- |c_Elevator_current'|) (* (- 2) v_prenex_1789)) 0)))): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:253) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Elevator-Integer.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-27-54-648.csv Received shutdown request...