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/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:49:44,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:49:44,236 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:49:44,255 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:49:44,255 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:49:44,256 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:49:44,258 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:49:44,259 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:49:44,261 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:49:44,262 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:49:44,263 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:49:44,263 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:49:44,264 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:49:44,265 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:49:44,266 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:49:44,267 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:49:44,268 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:49:44,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:49:44,272 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:49:44,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:49:44,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:49:44,277 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:49:44,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:49:44,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:49:44,280 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:49:44,283 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:49:44,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:49:44,285 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:49:44,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:49:44,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:49:44,290 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:49:44,291 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:49:44,292 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:49:44,292 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:49:44,293 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:49:44,295 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:49:44,296 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 09:49:44,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:49:44,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:49:44,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:49:44,315 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:49:44,315 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:49:44,315 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:49:44,316 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:49:44,316 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:49:44,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:49:44,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:49:44,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:49:44,411 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:49:44,412 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:49:44,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-09-26 09:49:44,413 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-09-26 09:49:44,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:49:44,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:49:44,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:49:44,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:49:44,471 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:49:44,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,513 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:49:44,513 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:49:44,513 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:49:44,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:49:44,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:49:44,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:49:44,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:49:44,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:49:44,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:49:44,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:49:44,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:49:44,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/1) ... [2018-09-26 09:49:44,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:49:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:49:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:49:44,795 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:49:44,796 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:49:44 BoogieIcfgContainer [2018-09-26 09:49:44,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:49:44,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:49:44,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:49:44,802 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:49:44,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:49:44" (1/2) ... [2018-09-26 09:49:44,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60987a05 and model type HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:49:44, skipping insertion in model container [2018-09-26 09:49:44,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:49:44" (2/2) ... [2018-09-26 09:49:44,806 INFO L112 eAbstractionObserver]: Analyzing ICFG HiddenEqualityWithBranches.bpl [2018-09-26 09:49:44,816 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:49:44,829 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:49:44,877 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:49:44,878 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:49:44,879 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:49:44,879 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:49:44,879 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:49:44,879 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:49:44,880 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:49:44,880 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:49:44,880 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:49:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-09-26 09:49:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 09:49:44,905 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:49:44,907 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 09:49:44,908 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:49:44,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:49:44,919 INFO L82 PathProgramCache]: Analyzing trace with hash 979, now seen corresponding path program 1 times [2018-09-26 09:49:44,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:49:45,007 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:49:45,008 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 09:49:45,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:49:45,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:49:45,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:49:45,024 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-09-26 09:49:45,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:49:45,052 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-09-26 09:49:45,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:49:45,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 09:49:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:49:45,070 INFO L225 Difference]: With dead ends: 6 [2018-09-26 09:49:45,070 INFO L226 Difference]: Without dead ends: 4 [2018-09-26 09:49:45,080 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:49:45,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-09-26 09:49:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-09-26 09:49:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-09-26 09:49:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-26 09:49:45,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-09-26 09:49:45,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:49:45,117 INFO L480 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-09-26 09:49:45,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:49:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-26 09:49:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:49:45,118 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:49:45,119 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:49:45,119 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:49:45,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:49:45,120 INFO L82 PathProgramCache]: Analyzing trace with hash 30584, now seen corresponding path program 1 times [2018-09-26 09:49:45,120 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:49:45,159 ERROR L236 seRefinementStrategy]: Caught known exception: Cannot handle literal (exists ((v_main_y_14 Int)) (not (or (= 100 v_main_y_14) (not (let ((.cse0 (<= (+ (- c_main_y) 256) 0))) (or (not (or (not (= c_main_y (+ v_main_y_14 255))) (not .cse0))) (not (or .cse0 (not (= (+ c_main_y 1) v_main_y_14)))))))))) [2018-09-26 09:49:45,159 INFO L251 seRefinementStrategy]: Global settings require throwing the exception. [2018-09-26 09:49:45,160 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_main_y_14 Int)) (not (or (= 100 v_main_y_14) (not (let ((.cse0 (<= (+ (- c_main_y) 256) 0))) (or (not (or (not (= c_main_y (+ v_main_y_14 255))) (not .cse0))) (not (or .cse0 (not (= (+ c_main_y 1) v_main_y_14)))))))))) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((v_main_y_14 Int)) (not (or (= 100 v_main_y_14) (not (let ((.cse0 (<= (+ (- c_main_y) 256) 0))) (or (not (or (not (= c_main_y (+ v_main_y_14 255))) (not .cse0))) (not (or .cse0 (not (= (+ c_main_y 1) v_main_y_14)))))))))) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.Clausifier$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 09:49:45,164 INFO L168 Benchmark]: Toolchain (without parser) took 697.67 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:49:45,167 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 09:49:45,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.87 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 09:49:45,169 INFO L168 Benchmark]: Boogie Preprocessor took 23.15 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 09:49:45,170 INFO L168 Benchmark]: RCFGBuilder took 256.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:49:45,171 INFO L168 Benchmark]: TraceAbstraction took 366.03 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:49:45,176 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 0.20 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 44.87 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 23.15 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 256.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 366.03 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: 10.6 MB). Peak memory consumption was 10.6 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_main_y_14 Int)) (not (or (= 100 v_main_y_14) (not (let ((.cse0 (<= (+ (- c_main_y) 256) 0))) (or (not (or (not (= c_main_y (+ v_main_y_14 255))) (not .cse0))) (not (or .cse0 (not (= (+ c_main_y 1) v_main_y_14)))))))))) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((v_main_y_14 Int)) (not (or (= 100 v_main_y_14) (not (let ((.cse0 (<= (+ (- c_main_y) 256) 0))) (or (not (or (not (= c_main_y (+ v_main_y_14 255))) (not .cse0))) (not (or .cse0 (not (= (+ c_main_y 1) v_main_y_14)))))))))): 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/HiddenEqualityWithBranches.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-49-45-189.csv Received shutdown request...