/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb906b6dd506785279c111a847f91453236e370a ............................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb906b6dd506785279c111a847f91453236e370a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:30:27,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:30:27,220 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:30:27,235 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:30:27,235 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:30:27,236 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:30:27,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:30:27,239 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:30:27,241 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:30:27,242 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:30:27,243 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:30:27,243 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:30:27,244 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:30:27,245 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:30:27,246 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:30:27,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:30:27,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:30:27,249 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:30:27,251 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:30:27,253 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:30:27,254 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:30:27,255 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:30:27,258 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:30:27,258 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:30:27,258 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:30:27,259 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:30:27,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:30:27,261 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:30:27,262 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:30:27,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:30:27,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:30:27,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:30:27,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:30:27,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:30:27,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:30:27,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:30:27,267 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:30:27,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:30:27,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:30:27,295 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:30:27,295 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:30:27,296 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:30:27,296 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:30:27,296 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:30:27,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:30:27,297 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:30:27,297 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:30:27,297 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:30:27,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:30:27,297 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:30:27,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:30:27,298 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:30:27,298 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:30:27,298 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:30:27,298 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:30:27,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:30:27,299 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:30:27,299 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:30:27,299 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:30:27,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:30:27,299 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:30:27,299 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:30:27,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:30:27,300 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:30:27,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:30:27,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:30:27,300 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb906b6dd506785279c111a847f91453236e370a [2018-09-20 15:30:27,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:30:27,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:30:27,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:30:27,366 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:30:27,366 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:30:27,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092a_true-unreach-call.c [2018-09-20 15:30:27,706 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810ed7db6/adbd2480b486427d8835d94d03b0978d/FLAG7748ea0b6 [2018-09-20 15:30:27,848 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:30:27,849 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092a_true-unreach-call.c [2018-09-20 15:30:27,857 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810ed7db6/adbd2480b486427d8835d94d03b0978d/FLAG7748ea0b6 [2018-09-20 15:30:27,874 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810ed7db6/adbd2480b486427d8835d94d03b0978d [2018-09-20 15:30:27,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:30:27,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:30:27,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:30:27,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:30:27,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:30:27,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:30:27" (1/1) ... [2018-09-20 15:30:27,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c570ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:27, skipping insertion in model container [2018-09-20 15:30:27,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:30:27" (1/1) ... [2018-09-20 15:30:27,907 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:30:28,196 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:30:28,216 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:30:28,233 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:30:28,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28 WrapperNode [2018-09-20 15:30:28,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:30:28,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:30:28,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:30:28,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:30:28,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (1/1) ... [2018-09-20 15:30:28,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (1/1) ... [2018-09-20 15:30:28,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (1/1) ... [2018-09-20 15:30:28,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (1/1) ... [2018-09-20 15:30:28,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (1/1) ... [2018-09-20 15:30:28,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (1/1) ... [2018-09-20 15:30:28,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (1/1) ... [2018-09-20 15:30:28,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:30:28,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:30:28,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:30:28,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:30:28,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (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 [2018-09-20 15:30:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:30:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:30:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2018-09-20 15:30:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-20 15:30:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:30:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:30:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2018-09-20 15:30:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:30:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:30:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:30:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:30:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:30:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:30:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-20 15:30:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:30:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:30:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:30:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:30:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:30:29,116 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:30:29,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:30:29 BoogieIcfgContainer [2018-09-20 15:30:29,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:30:29,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:30:29,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:30:29,122 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:30:29,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:30:27" (1/3) ... [2018-09-20 15:30:29,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebb8077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:30:29, skipping insertion in model container [2018-09-20 15:30:29,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:28" (2/3) ... [2018-09-20 15:30:29,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebb8077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:30:29, skipping insertion in model container [2018-09-20 15:30:29,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:30:29" (3/3) ... [2018-09-20 15:30:29,127 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a_true-unreach-call.c [2018-09-20 15:30:29,137 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:30:29,147 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:30:29,202 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:30:29,203 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:30:29,203 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:30:29,203 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:30:29,203 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:30:29,203 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:30:29,204 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:30:29,204 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:30:29,204 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:30:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-09-20 15:30:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-20 15:30:29,235 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:29,236 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:29,245 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:29,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1386011199, now seen corresponding path program 1 times [2018-09-20 15:30:29,255 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:30:29,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:30:29,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:30:29,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:30:29,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:30:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:30:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:30:29,419 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:30:29,419 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:30:29,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:30:29,440 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:30:29,441 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:30:29,444 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 2 states. [2018-09-20 15:30:29,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:30:29,496 INFO L93 Difference]: Finished difference Result 126 states and 159 transitions. [2018-09-20 15:30:29,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:30:29,498 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-20 15:30:29,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:30:29,510 INFO L225 Difference]: With dead ends: 126 [2018-09-20 15:30:29,511 INFO L226 Difference]: Without dead ends: 63 [2018-09-20 15:30:29,516 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:30:29,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-09-20 15:30:29,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-09-20 15:30:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-09-20 15:30:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2018-09-20 15:30:29,568 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 18 [2018-09-20 15:30:29,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:30:29,569 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2018-09-20 15:30:29,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:30:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-09-20 15:30:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:30:29,571 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:29,572 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:29,572 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:29,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1025521259, now seen corresponding path program 1 times [2018-09-20 15:30:29,573 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:30:29,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:30:29,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:30:29,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:30:29,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:30:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:30:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:30:29,702 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:30:29,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:30:29 BoogieIcfgContainer [2018-09-20 15:30:29,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:30:29,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:30:29,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:30:29,750 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:30:29,752 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:30:29" (3/4) ... [2018-09-20 15:30:29,757 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:30:29,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:30:29,759 INFO L168 Benchmark]: Toolchain (without parser) took 1880.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:29,763 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:30:29,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.87 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:29,766 INFO L168 Benchmark]: Boogie Preprocessor took 49.65 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:30:29,767 INFO L168 Benchmark]: RCFGBuilder took 804.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:29,770 INFO L168 Benchmark]: TraceAbstraction took 631.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:29,772 INFO L168 Benchmark]: Witness Printer took 8.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:30:29,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.87 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.65 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 804.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 631.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 8.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseAnd at line 21, overapproximation of someUnaryFLOAToperation at line 76, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [\old(huge_ceil)=2147483524, huge_ceil=1000000000000000000000000000000] [L76] float x = -0.0f; VAL [huge_ceil=1000000000000000000000000000000] [L77] CALL, EXPR ceil_float(x) VAL [\old(x)=2147483526, huge_ceil=1000000000000000000000000000000] [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [\old(x)=2147483526, huge_ceil=1000000000000000000000000000000, x=2147483526] [L17] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=2147483526, gf_u={2147483521:0}, huge_ceil=1000000000000000000000000000000, x=2147483526] [L18] FCALL gf_u.value = (x) VAL [\old(x)=2147483526, gf_u={2147483521:0}, huge_ceil=1000000000000000000000000000000, x=2147483526] [L19] EXPR, FCALL gf_u.word VAL [\old(x)=2147483526, gf_u={2147483521:0}, gf_u.word=3, huge_ceil=1000000000000000000000000000000, x=2147483526] [L19] (i0) = gf_u.word VAL [\old(x)=2147483526, gf_u={2147483521:0}, gf_u.word=3, huge_ceil=1000000000000000000000000000000, i0=3, x=2147483526] [L19] FCALL (i0) = gf_u.word VAL [(i0) = gf_u.word=2147483523, \old(x)=2147483526, gf_u={2147483521:0}, gf_u.word=3, huge_ceil=1000000000000000000000000000000, i0=3, x=2147483526] [L20] COND FALSE !(0) VAL [\old(x)=2147483526, huge_ceil=1000000000000000000000000000000, i0=3, x=2147483526] [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [\old(x)=2147483526, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=3, j0=2147483520, x=2147483526] [L23] COND FALSE !(j0 < 23) VAL [\old(x)=2147483526, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=3, j0=2147483520, x=2147483526] [L43] COND TRUE !((ix) < 0x7f800000L) [L44] RET return x + x; VAL [\old(x)=2147483526, huge_ceil=1000000000000000000000000000000, i=-18014398509481985, i0=3, j0=2147483520, x=2147483526] [L77] EXPR ceil_float(x) VAL [ceil_float(x)=2147483525, huge_ceil=1000000000000000000000000000000, x=2147483526] [L77] float res = ceil_float(x); [L80] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_ceil=1000000000000000000000000000000, res=2147483525, res == -0.0f && __signbit_float(res) == 1=0, x=2147483526] [L80] COND FALSE, EXPR !(res == -0.0f && __signbit_float(res) == 1) VAL [huge_ceil=1000000000000000000000000000000, res=2147483525, res == -0.0f && __signbit_float(res) == 1=0, x=2147483526] [L80] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000, res=2147483525, x=2147483526] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 76 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 15:30:32,160 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:30:32,162 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:30:32,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:30:32,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:30:32,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:30:32,177 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:30:32,178 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:30:32,180 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:30:32,181 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:30:32,182 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:30:32,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:30:32,187 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:30:32,188 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:30:32,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:30:32,192 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:30:32,195 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:30:32,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:30:32,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:30:32,206 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:30:32,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:30:32,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:30:32,216 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:30:32,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:30:32,220 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:30:32,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:30:32,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:30:32,225 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:30:32,227 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:30:32,229 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:30:32,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:30:32,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:30:32,233 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:30:32,233 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:30:32,237 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:30:32,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:30:32,238 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:30:32,269 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:30:32,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:30:32,270 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:30:32,270 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:30:32,271 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:30:32,271 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:30:32,271 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:30:32,271 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:30:32,272 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:30:32,272 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:30:32,272 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:30:32,272 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:30:32,272 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:30:32,272 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:30:32,273 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:30:32,273 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:30:32,273 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:30:32,273 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:30:32,273 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:30:32,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:30:32,274 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:30:32,274 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:30:32,274 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:30:32,274 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:30:32,274 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:30:32,275 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:30:32,275 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:30:32,275 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:30:32,275 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:30:32,275 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:30:32,275 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:30:32,276 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb906b6dd506785279c111a847f91453236e370a [2018-09-20 15:30:32,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:30:32,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:30:32,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:30:32,341 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:30:32,342 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:30:32,342 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092a_true-unreach-call.c [2018-09-20 15:30:32,701 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3498f26/d54e23f3886f450298d1cb49214ae27b/FLAG3a6b59ae1 [2018-09-20 15:30:32,861 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:30:32,862 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092a_true-unreach-call.c [2018-09-20 15:30:32,873 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3498f26/d54e23f3886f450298d1cb49214ae27b/FLAG3a6b59ae1 [2018-09-20 15:30:32,890 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3498f26/d54e23f3886f450298d1cb49214ae27b [2018-09-20 15:30:32,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:30:32,896 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:30:32,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:30:32,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:30:32,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:30:32,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:30:32" (1/1) ... [2018-09-20 15:30:32,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bbf828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:32, skipping insertion in model container [2018-09-20 15:30:32,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:30:32" (1/1) ... [2018-09-20 15:30:32,922 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:30:33,175 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:30:33,197 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:30:33,233 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:30:33,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33 WrapperNode [2018-09-20 15:30:33,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:30:33,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:30:33,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:30:33,273 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:30:33,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (1/1) ... [2018-09-20 15:30:33,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (1/1) ... [2018-09-20 15:30:33,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (1/1) ... [2018-09-20 15:30:33,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (1/1) ... [2018-09-20 15:30:33,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (1/1) ... [2018-09-20 15:30:33,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (1/1) ... [2018-09-20 15:30:33,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (1/1) ... [2018-09-20 15:30:33,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:30:33,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:30:33,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:30:33,353 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:30:33,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (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 [2018-09-20 15:30:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:30:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:30:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2018-09-20 15:30:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-20 15:30:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:30:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:30:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2018-09-20 15:30:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:30:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:30:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:30:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:30:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:30:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:30:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-20 15:30:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:30:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:30:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:30:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:30:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:30:34,097 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:30:34,127 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:30:34,440 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:30:34,452 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:30:34,464 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:30:34,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:30:34 BoogieIcfgContainer [2018-09-20 15:30:34,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:30:34,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:30:34,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:30:34,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:30:34,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:30:32" (1/3) ... [2018-09-20 15:30:34,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618a8604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:30:34, skipping insertion in model container [2018-09-20 15:30:34,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:30:33" (2/3) ... [2018-09-20 15:30:34,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618a8604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:30:34, skipping insertion in model container [2018-09-20 15:30:34,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:30:34" (3/3) ... [2018-09-20 15:30:34,473 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a_true-unreach-call.c [2018-09-20 15:30:34,482 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:30:34,489 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:30:34,545 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:30:34,546 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:30:34,546 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:30:34,546 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:30:34,546 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:30:34,546 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:30:34,547 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:30:34,547 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:30:34,547 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:30:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-09-20 15:30:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-20 15:30:34,575 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:34,577 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:34,585 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:34,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1386011199, now seen corresponding path program 1 times [2018-09-20 15:30:34,596 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:30:34,597 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:30:34,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:30:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:30:34,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:30:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:30:34,726 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:30:34,742 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:30:34,742 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:30:34,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:30:34,758 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:30:34,758 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:30:34,760 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 2 states. [2018-09-20 15:30:34,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:30:34,791 INFO L93 Difference]: Finished difference Result 126 states and 159 transitions. [2018-09-20 15:30:34,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:30:34,793 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-20 15:30:34,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:30:34,804 INFO L225 Difference]: With dead ends: 126 [2018-09-20 15:30:34,804 INFO L226 Difference]: Without dead ends: 63 [2018-09-20 15:30:34,808 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:30:34,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-09-20 15:30:34,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-09-20 15:30:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-09-20 15:30:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2018-09-20 15:30:34,853 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 18 [2018-09-20 15:30:34,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:30:34,854 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2018-09-20 15:30:34,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:30:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-09-20 15:30:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:30:34,855 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:34,856 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:34,856 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:34,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1025521259, now seen corresponding path program 1 times [2018-09-20 15:30:34,857 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:30:34,857 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:30:34,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:30:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:30:34,945 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:30:35,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:30:35,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:30:35,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:35,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:35,199 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:35,200 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:30:35,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:30:35,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:30:35,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:35,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:35,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:35,320 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:30:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:30:35,639 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:30:35,654 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:30:35,654 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:30:35,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:30:35,657 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:30:35,658 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:30:35,658 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand 9 states. [2018-09-20 15:30:36,122 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-20 15:30:36,384 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 15:30:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:30:38,334 INFO L93 Difference]: Finished difference Result 102 states and 111 transitions. [2018-09-20 15:30:38,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 15:30:38,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-09-20 15:30:38,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:30:38,339 INFO L225 Difference]: With dead ends: 102 [2018-09-20 15:30:38,339 INFO L226 Difference]: Without dead ends: 78 [2018-09-20 15:30:38,341 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2018-09-20 15:30:38,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-09-20 15:30:38,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 62. [2018-09-20 15:30:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-20 15:30:38,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2018-09-20 15:30:38,352 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 27 [2018-09-20 15:30:38,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:30:38,353 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2018-09-20 15:30:38,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:30:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2018-09-20 15:30:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-20 15:30:38,354 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:38,354 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:38,356 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:38,357 INFO L82 PathProgramCache]: Analyzing trace with hash 297883690, now seen corresponding path program 1 times [2018-09-20 15:30:38,357 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:30:38,357 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:30:38,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:30:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:30:38,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:30:38,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:30:38,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:30:38,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:38,486 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:38,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:38,503 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:30:38,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:30:38,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:30:38,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:38,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:38,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:38,544 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:30:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:30:38,790 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:30:38,804 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:30:38,804 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:30:38,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:30:38,805 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:30:38,805 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:30:38,806 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand 9 states. [2018-09-20 15:30:40,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:30:40,945 INFO L93 Difference]: Finished difference Result 125 states and 132 transitions. [2018-09-20 15:30:40,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-20 15:30:40,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-09-20 15:30:40,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:30:40,949 INFO L225 Difference]: With dead ends: 125 [2018-09-20 15:30:40,949 INFO L226 Difference]: Without dead ends: 71 [2018-09-20 15:30:40,950 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-09-20 15:30:40,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-09-20 15:30:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 58. [2018-09-20 15:30:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-09-20 15:30:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2018-09-20 15:30:40,959 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 28 [2018-09-20 15:30:40,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:30:40,960 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2018-09-20 15:30:40,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:30:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2018-09-20 15:30:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-20 15:30:40,961 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:40,962 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:40,962 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:40,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1843158972, now seen corresponding path program 1 times [2018-09-20 15:30:40,964 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:30:40,964 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:30:40,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:30:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:30:41,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:30:42,353 WARN L178 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-20 15:30:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:30:42,381 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:30:42,392 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:30:42,393 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 15:30:42,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 15:30:42,393 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 15:30:42,393 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-20 15:30:42,394 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 6 states. [2018-09-20 15:30:44,024 WARN L178 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:30:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:30:44,335 INFO L93 Difference]: Finished difference Result 92 states and 95 transitions. [2018-09-20 15:30:44,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 15:30:44,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-09-20 15:30:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:30:44,342 INFO L225 Difference]: With dead ends: 92 [2018-09-20 15:30:44,342 INFO L226 Difference]: Without dead ends: 58 [2018-09-20 15:30:44,343 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-20 15:30:44,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-09-20 15:30:44,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-09-20 15:30:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-09-20 15:30:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-09-20 15:30:44,350 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 39 [2018-09-20 15:30:44,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:30:44,351 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-09-20 15:30:44,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 15:30:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-09-20 15:30:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-20 15:30:44,352 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:44,353 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:44,353 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:44,353 INFO L82 PathProgramCache]: Analyzing trace with hash -638208933, now seen corresponding path program 1 times [2018-09-20 15:30:44,354 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:30:44,354 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:30:44,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:30:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:30:44,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:30:44,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:30:44,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:30:44,455 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:44,459 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:44,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:44,462 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-09-20 15:30:44,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-09-20 15:30:44,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2018-09-20 15:30:44,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:44,498 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:44,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:44,501 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:6 [2018-09-20 15:30:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:30:44,575 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:30:44,586 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:30:44,586 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:30:44,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:30:44,587 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:30:44,587 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:30:44,587 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 9 states. [2018-09-20 15:30:45,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:30:45,005 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2018-09-20 15:30:45,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:30:45,006 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-09-20 15:30:45,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:30:45,008 INFO L225 Difference]: With dead ends: 76 [2018-09-20 15:30:45,009 INFO L226 Difference]: Without dead ends: 73 [2018-09-20 15:30:45,010 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-09-20 15:30:45,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-20 15:30:45,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-09-20 15:30:45,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-09-20 15:30:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2018-09-20 15:30:45,019 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 40 [2018-09-20 15:30:45,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:30:45,019 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2018-09-20 15:30:45,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:30:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2018-09-20 15:30:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:30:45,021 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:45,021 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:45,021 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:45,021 INFO L82 PathProgramCache]: Analyzing trace with hash -723773306, now seen corresponding path program 1 times [2018-09-20 15:30:45,022 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:30:45,022 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 15:30:45,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:30:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:30:45,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:30:45,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:30:45,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:30:45,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:45,137 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:45,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:45,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:30:45,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:30:45,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:30:45,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:45,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:45,191 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:45,191 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:30:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:30:45,283 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:30:45,300 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:30:45,300 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:30:45,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:30:45,301 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:30:45,301 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:30:45,301 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand 8 states. [2018-09-20 15:30:46,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:30:46,272 INFO L93 Difference]: Finished difference Result 105 states and 106 transitions. [2018-09-20 15:30:46,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:30:46,273 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-09-20 15:30:46,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:30:46,274 INFO L225 Difference]: With dead ends: 105 [2018-09-20 15:30:46,274 INFO L226 Difference]: Without dead ends: 57 [2018-09-20 15:30:46,275 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:30:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-09-20 15:30:46,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-09-20 15:30:46,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-20 15:30:46,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 56 transitions. [2018-09-20 15:30:46,282 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 56 transitions. Word has length 41 [2018-09-20 15:30:46,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:30:46,282 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 56 transitions. [2018-09-20 15:30:46,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:30:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 56 transitions. [2018-09-20 15:30:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-20 15:30:46,284 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:30:46,284 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:30:46,285 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:30:46,285 INFO L82 PathProgramCache]: Analyzing trace with hash 993308702, now seen corresponding path program 1 times [2018-09-20 15:30:46,285 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:30:46,285 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 15:30:46,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:30:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:30:46,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:30:46,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:30:46,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:30:46,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,439 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,442 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-09-20 15:30:46,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-09-20 15:30:46,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2018-09-20 15:30:46,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,467 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,471 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:6 [2018-09-20 15:30:46,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:30:46,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:30:46,610 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,623 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,624 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:30:46,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:30:46,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:30:46,665 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,668 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,672 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:30:46,672 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:30:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:30:46,910 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:30:46,921 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:30:46,922 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-20 15:30:46,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-20 15:30:46,922 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-20 15:30:46,923 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:30:46,923 INFO L87 Difference]: Start difference. First operand 57 states and 56 transitions. Second operand 16 states. [2018-09-20 15:30:47,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:30:47,996 INFO L93 Difference]: Finished difference Result 57 states and 56 transitions. [2018-09-20 15:30:47,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-20 15:30:47,997 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 56 [2018-09-20 15:30:47,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:30:47,999 INFO L225 Difference]: With dead ends: 57 [2018-09-20 15:30:48,000 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:30:48,002 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=759, Unknown=0, NotChecked=0, Total=870 [2018-09-20 15:30:48,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:30:48,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:30:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:30:48,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:30:48,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2018-09-20 15:30:48,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:30:48,004 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:30:48,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-20 15:30:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:30:48,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:30:48,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:30:48,408 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-20 15:30:48,501 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:30:48,501 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:30:48,502 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:30:48,502 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:30:48,502 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_ceil~0) [2018-09-20 15:30:48,502 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:30:48,502 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:30:48,503 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 68 86) the Hoare annotation is: true [2018-09-20 15:30:48,503 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2018-09-20 15:30:48,503 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 68 86) no Hoare annotation was computed. [2018-09-20 15:30:48,503 INFO L426 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-09-20 15:30:48,503 INFO L426 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2018-09-20 15:30:48,503 INFO L422 ceAbstractionStarter]: At program point L80-1(line 80) the Hoare annotation is: (or (and |main_#t~short8| (= main_~x~0 (fp.neg (_ +zero 8 24))) (= (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)) main_~res~0)) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_ceil~0))) [2018-09-20 15:30:48,503 INFO L426 ceAbstractionStarter]: For program point L80-2(line 80) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L422 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_ceil~0))) [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 68 86) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point L80-4(lines 80 83) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point L23(lines 23 47) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point L19-2(line 19) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point L48(lines 48 52) no Hoare annotation was computed. [2018-09-20 15:30:48,504 INFO L426 ceAbstractionStarter]: For program point L48-2(lines 13 54) no Hoare annotation was computed. [2018-09-20 15:30:48,505 INFO L426 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-09-20 15:30:48,505 INFO L426 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-09-20 15:30:48,505 INFO L429 ceAbstractionStarter]: At program point ceil_floatENTRY(lines 13 54) the Hoare annotation is: true [2018-09-20 15:30:48,505 INFO L426 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2018-09-20 15:30:48,505 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 41) no Hoare annotation was computed. [2018-09-20 15:30:48,505 INFO L426 ceAbstractionStarter]: For program point ceil_floatFINAL(lines 13 54) no Hoare annotation was computed. [2018-09-20 15:30:48,505 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-20 15:30:48,505 INFO L426 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-09-20 15:30:48,505 INFO L426 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point L49-3(line 49) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L422 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_ceil~0)) (= |ceil_float_#in~x| ceil_float_~x)) [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point L16-4(lines 16 20) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point ceil_floatEXIT(lines 13 54) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-09-20 15:30:48,506 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L17-3(line 17) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-09-20 15:30:48,507 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 46) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L62-2(line 62) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2018-09-20 15:30:48,508 INFO L426 ceAbstractionStarter]: For program point L60-3(line 60) no Hoare annotation was computed. [2018-09-20 15:30:48,509 INFO L422 ceAbstractionStarter]: At program point L59-3(lines 59 63) the Hoare annotation is: (or (= |__signbit_float_#in~x| __signbit_float_~x) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_ceil~0))) [2018-09-20 15:30:48,509 INFO L426 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 56 66) no Hoare annotation was computed. [2018-09-20 15:30:48,509 INFO L426 ceAbstractionStarter]: For program point L59-4(lines 59 63) no Hoare annotation was computed. [2018-09-20 15:30:48,509 INFO L429 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 56 66) the Hoare annotation is: true [2018-09-20 15:30:48,509 INFO L426 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 56 66) no Hoare annotation was computed. [2018-09-20 15:30:48,517 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,518 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,522 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,522 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,523 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,523 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,524 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,524 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:30:48 BoogieIcfgContainer [2018-09-20 15:30:48,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:30:48,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:30:48,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:30:48,527 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:30:48,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:30:34" (3/4) ... [2018-09-20 15:30:48,531 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:30:48,537 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:30:48,538 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:30:48,538 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ceil_float [2018-09-20 15:30:48,538 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-09-20 15:30:48,544 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-09-20 15:30:48,544 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-09-20 15:30:48,545 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:30:48,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)) == huge_ceil) || \old(x) == x [2018-09-20 15:30:48,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)) == huge_ceil) [2018-09-20 15:30:48,603 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:30:48,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:30:48,604 INFO L168 Benchmark]: Toolchain (without parser) took 15710.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:48,606 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:30:48,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.85 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:48,607 INFO L168 Benchmark]: Boogie Preprocessor took 80.21 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:48,608 INFO L168 Benchmark]: RCFGBuilder took 1111.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:48,609 INFO L168 Benchmark]: TraceAbstraction took 14061.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.6 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:30:48,610 INFO L168 Benchmark]: Witness Printer took 76.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:30:48,614 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.85 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.21 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1111.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14061.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.6 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * Witness Printer took 76.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 59]: Loop Invariant [2018-09-20 15:30:48,621 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,621 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,627 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,628 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: \old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)) == huge_ceil) - InvariantResult [Line: 16]: Loop Invariant [2018-09-20 15:30:48,628 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,628 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,630 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:30:48,630 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)) == huge_ceil) || \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 1 error locations. SAFE Result, 13.9s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 9.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 407 SDtfs, 398 SDslu, 1920 SDs, 0 SdLazy, 656 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 292 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=5, 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, 7 MinimizatonAttempts, 29 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 20 PreInvPairs, 23 NumberOfFragments, 70 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 242 ConstructedInterpolants, 25 QuantifiedInterpolants, 62271 SizeOfPredicates, 49 NumberOfNonLiveVariables, 509 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...