./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0920a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0920a_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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e .................................................................................................................................................................................................................................................................................................................................... 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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0920a_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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 04:04:31,620 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:04:31,622 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:04:31,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:04:31,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:04:31,642 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:04:31,643 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:04:31,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:04:31,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:04:31,651 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:04:31,652 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:04:31,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:04:31,654 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:04:31,655 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:04:31,656 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:04:31,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:04:31,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:04:31,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:04:31,672 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:04:31,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:04:31,675 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:04:31,680 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:04:31,686 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:04:31,687 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:04:31,687 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:04:31,688 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:04:31,692 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:04:31,693 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:04:31,693 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:04:31,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:04:31,694 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:04:31,696 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:04:31,697 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:04:31,697 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:04:31,698 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:04:31,698 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:04:31,698 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 04:04:31,713 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:04:31,713 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:04:31,714 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:04:31,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:04:31,715 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:04:31,715 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:04:31,715 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:04:31,715 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 04:04:31,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:04:31,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:04:31,716 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:04:31,716 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:04:31,716 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:04:31,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:04:31,717 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:04:31,717 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:04:31,717 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:04:31,717 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:04:31,717 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:04:31,718 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:04:31,718 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:04:31,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:04:31,718 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:04:31,718 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:04:31,719 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:04:31,719 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 04:04:31,719 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:04:31,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 04:04:31,719 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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2018-12-31 04:04:31,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:04:31,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:04:31,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:04:31,781 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:04:31,781 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:04:31,782 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-12-31 04:04:31,848 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20d6882e9/8185ccdc90f8414da1948e851f20efc2/FLAG2a6ee4abb [2018-12-31 04:04:32,334 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:04:32,335 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-12-31 04:04:32,344 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20d6882e9/8185ccdc90f8414da1948e851f20efc2/FLAG2a6ee4abb [2018-12-31 04:04:32,696 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20d6882e9/8185ccdc90f8414da1948e851f20efc2 [2018-12-31 04:04:32,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:04:32,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:04:32,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:04:32,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:04:32,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:04:32,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:04:32" (1/1) ... [2018-12-31 04:04:32,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dbefa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:32, skipping insertion in model container [2018-12-31 04:04:32,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:04:32" (1/1) ... [2018-12-31 04:04:32,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:04:32,754 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:04:33,044 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:04:33,051 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:04:33,136 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:04:33,176 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:04:33,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33 WrapperNode [2018-12-31 04:04:33,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:04:33,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:04:33,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:04:33,178 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:04:33,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:04:33,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:04:33,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:04:33,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:04:33,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (1/1) ... [2018-12-31 04:04:33,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:04:33,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:04:33,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:04:33,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:04:33,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (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 [2018-12-31 04:04:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:04:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 04:04:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 04:04:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 04:04:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:04:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:04:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 04:04:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:04:34,035 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:04:34,036 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-31 04:04:34,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:04:34 BoogieIcfgContainer [2018-12-31 04:04:34,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:04:34,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:04:34,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:04:34,041 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:04:34,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:04:32" (1/3) ... [2018-12-31 04:04:34,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5814c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:04:34, skipping insertion in model container [2018-12-31 04:04:34,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:33" (2/3) ... [2018-12-31 04:04:34,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5814c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:04:34, skipping insertion in model container [2018-12-31 04:04:34,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:04:34" (3/3) ... [2018-12-31 04:04:34,045 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920a_true-unreach-call.c [2018-12-31 04:04:34,056 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:04:34,064 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:04:34,083 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:04:34,117 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:04:34,117 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:04:34,118 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:04:34,118 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:04:34,118 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:04:34,118 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:04:34,118 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:04:34,119 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:04:34,119 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:04:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-12-31 04:04:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:04:34,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:04:34,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:04:34,150 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:04:34,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:04:34,157 INFO L82 PathProgramCache]: Analyzing trace with hash 627170052, now seen corresponding path program 1 times [2018-12-31 04:04:34,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:04:34,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:04:34,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:04:34,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:04:34,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:04:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:04:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:04:34,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:04:34,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:04:34,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:04:34,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:04:34,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:04:34,315 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-12-31 04:04:34,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:04:34,334 INFO L93 Difference]: Finished difference Result 71 states and 112 transitions. [2018-12-31 04:04:34,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:04:34,335 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 04:04:34,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:04:34,348 INFO L225 Difference]: With dead ends: 71 [2018-12-31 04:04:34,348 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 04:04:34,351 INFO L631 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 [2018-12-31 04:04:34,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 04:04:34,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 04:04:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 04:04:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2018-12-31 04:04:34,387 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 11 [2018-12-31 04:04:34,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:04:34,388 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2018-12-31 04:04:34,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:04:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-12-31 04:04:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-31 04:04:34,389 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:04:34,389 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:04:34,389 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:04:34,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:04:34,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1650641455, now seen corresponding path program 1 times [2018-12-31 04:04:34,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:04:34,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:04:34,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:04:34,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:04:34,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:04:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:04:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:04:34,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:04:34,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 04:04:34,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 04:04:34,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 04:04:34,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:04:34,472 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand 3 states. [2018-12-31 04:04:34,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:04:34,503 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2018-12-31 04:04:34,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 04:04:34,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-31 04:04:34,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:04:34,505 INFO L225 Difference]: With dead ends: 59 [2018-12-31 04:04:34,505 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 04:04:34,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:04:34,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 04:04:34,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 04:04:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 04:04:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2018-12-31 04:04:34,513 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 12 [2018-12-31 04:04:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:04:34,513 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2018-12-31 04:04:34,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 04:04:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2018-12-31 04:04:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 04:04:34,515 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:04:34,515 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:04:34,516 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:04:34,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:04:34,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1227406364, now seen corresponding path program 1 times [2018-12-31 04:04:34,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:04:34,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:04:34,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:04:34,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:04:34,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:04:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:04:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:04:34,642 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 04:04:34,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:04:34 BoogieIcfgContainer [2018-12-31 04:04:34,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:04:34,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:04:34,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:04:34,695 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:04:34,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:04:34" (3/4) ... [2018-12-31 04:04:34,701 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 04:04:34,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:04:34,702 INFO L168 Benchmark]: Toolchain (without parser) took 2002.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -98.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:34,705 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:04:34,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.02 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:34,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:34,708 INFO L168 Benchmark]: Boogie Preprocessor took 45.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:34,709 INFO L168 Benchmark]: RCFGBuilder took 670.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:34,709 INFO L168 Benchmark]: TraceAbstraction took 656.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:34,710 INFO L168 Benchmark]: Witness Printer took 7.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:04:34,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 475.02 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 670.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 656.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Witness Printer took 7.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of bitwiseAnd at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L24-L28] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L30] static const float zero_log = 0.0; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L132] float x = __VERIFIER_nondet_float(); [L134] EXPR x < 0 && isfinite_float(x) [L115] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L117] ieee_float_shape_type gf_u; [L118] gf_u.value = (x) [L119] EXPR gf_u.word [L119] (ix) = gf_u.word [L121] ix &= 0x7fffffff [L122] return (((ix) < 0x7f800000L)); VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L134] EXPR x < 0 && isfinite_float(x) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L134] COND TRUE (x < 0 && isfinite_float(x)) [L33] float hfsq, f, s, z, R, w, t1, t2, dk; [L34] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L37] ieee_float_shape_type gf_u; [L38] gf_u.value = (x) [L39] EXPR gf_u.word [L39] (ix) = gf_u.word [L42] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L43] COND TRUE ((ix & 0x7fffffff) == 0) [L44] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L136] float res = __ieee754_logf(x); [L111] return x != x; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L139] COND TRUE !isnan_float(res) [L140] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 93 SDtfs, 0 SDslu, 39 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 0.1.24-2e94e6a [2018-12-31 04:04:37,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:04:37,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:04:37,099 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:04:37,099 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:04:37,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:04:37,102 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:04:37,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:04:37,106 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:04:37,107 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:04:37,108 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:04:37,108 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:04:37,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:04:37,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:04:37,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:04:37,113 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:04:37,114 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:04:37,116 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:04:37,119 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:04:37,121 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:04:37,122 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:04:37,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:04:37,126 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:04:37,127 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:04:37,127 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:04:37,128 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:04:37,130 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:04:37,130 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:04:37,132 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:04:37,133 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:04:37,133 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:04:37,134 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:04:37,134 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:04:37,135 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:04:37,136 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:04:37,137 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:04:37,138 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 04:04:37,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:04:37,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:04:37,172 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:04:37,173 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:04:37,173 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:04:37,173 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:04:37,173 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:04:37,173 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:04:37,174 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:04:37,175 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:04:37,176 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:04:37,176 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:04:37,176 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 04:04:37,176 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 04:04:37,176 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:04:37,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:04:37,178 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:04:37,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:04:37,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:04:37,179 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:04:37,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:04:37,179 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:04:37,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:04:37,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:04:37,179 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:04:37,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:04:37,181 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 04:04:37,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:04:37,182 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 04:04:37,182 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 04:04:37,182 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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2018-12-31 04:04:37,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:04:37,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:04:37,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:04:37,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:04:37,247 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:04:37,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-12-31 04:04:37,306 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb850f280/aa7a1c04d36c4eaaadb4a178e8f81e8e/FLAG0a9b10714 [2018-12-31 04:04:37,741 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:04:37,742 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-12-31 04:04:37,751 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb850f280/aa7a1c04d36c4eaaadb4a178e8f81e8e/FLAG0a9b10714 [2018-12-31 04:04:38,101 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb850f280/aa7a1c04d36c4eaaadb4a178e8f81e8e [2018-12-31 04:04:38,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:04:38,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:04:38,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:04:38,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:04:38,112 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:04:38,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a975e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38, skipping insertion in model container [2018-12-31 04:04:38,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:04:38,163 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:04:38,505 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:04:38,512 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:04:38,566 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:04:38,598 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:04:38,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38 WrapperNode [2018-12-31 04:04:38,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:04:38,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:04:38,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:04:38,600 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:04:38,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:04:38,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:04:38,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:04:38,730 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:04:38,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (1/1) ... [2018-12-31 04:04:38,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:04:38,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:04:38,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:04:38,775 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:04:38,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (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 [2018-12-31 04:04:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:04:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-31 04:04:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 04:04:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:04:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:04:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-31 04:04:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 04:04:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:04:39,178 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:04:39,258 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:04:40,160 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:04:49,794 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:04:49,794 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-31 04:04:49,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:04:49 BoogieIcfgContainer [2018-12-31 04:04:49,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:04:49,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:04:49,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:04:49,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:04:49,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:04:38" (1/3) ... [2018-12-31 04:04:49,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c4a59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:04:49, skipping insertion in model container [2018-12-31 04:04:49,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:04:38" (2/3) ... [2018-12-31 04:04:49,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c4a59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:04:49, skipping insertion in model container [2018-12-31 04:04:49,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:04:49" (3/3) ... [2018-12-31 04:04:49,805 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920a_true-unreach-call.c [2018-12-31 04:04:49,816 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:04:49,825 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:04:49,844 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:04:49,876 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:04:49,877 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:04:49,878 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:04:49,878 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:04:49,878 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:04:49,878 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:04:49,879 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:04:49,879 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:04:49,879 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:04:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-12-31 04:04:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:04:49,904 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:04:49,906 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:04:49,909 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:04:49,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:04:49,916 INFO L82 PathProgramCache]: Analyzing trace with hash 627170052, now seen corresponding path program 1 times [2018-12-31 04:04:49,921 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:04:49,922 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) [2018-12-31 04:04:49,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 04:04:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:04:50,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:04:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:04:50,226 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:04:50,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:04:50,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:04:50,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:04:50,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:04:50,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:04:50,259 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-12-31 04:04:50,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:04:50,277 INFO L93 Difference]: Finished difference Result 71 states and 112 transitions. [2018-12-31 04:04:50,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:04:50,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 04:04:50,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:04:50,291 INFO L225 Difference]: With dead ends: 71 [2018-12-31 04:04:50,291 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 04:04:50,294 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:04:50,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 04:04:50,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 04:04:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 04:04:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2018-12-31 04:04:50,329 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 11 [2018-12-31 04:04:50,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:04:50,330 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2018-12-31 04:04:50,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:04:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-12-31 04:04:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-31 04:04:50,332 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:04:50,332 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:04:50,332 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:04:50,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:04:50,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1650641455, now seen corresponding path program 1 times [2018-12-31 04:04:50,333 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:04:50,333 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 [2018-12-31 04:04:50,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:04:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:04:50,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:04:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:04:50,655 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:04:50,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:04:50,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 04:04:50,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 04:04:50,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 04:04:50,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:04:50,670 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand 3 states. [2018-12-31 04:04:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:04:50,702 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2018-12-31 04:04:50,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 04:04:50,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-31 04:04:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:04:50,705 INFO L225 Difference]: With dead ends: 59 [2018-12-31 04:04:50,705 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 04:04:50,707 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:04:50,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 04:04:50,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 04:04:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 04:04:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2018-12-31 04:04:50,714 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 12 [2018-12-31 04:04:50,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:04:50,714 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2018-12-31 04:04:50,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 04:04:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2018-12-31 04:04:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 04:04:50,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:04:50,716 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:04:50,716 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:04:50,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:04:50,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1227406364, now seen corresponding path program 1 times [2018-12-31 04:04:50,719 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:04:50,719 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 [2018-12-31 04:04:50,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:04:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:04:51,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:04:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:04:51,245 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:04:51,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:04:51,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 04:04:51,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 04:04:51,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 04:04:51,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 04:04:51,266 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 6 states. [2018-12-31 04:04:51,560 WARN L181 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-12-31 04:04:52,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:04:52,496 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2018-12-31 04:04:52,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 04:04:52,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-12-31 04:04:52,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:04:52,552 INFO L225 Difference]: With dead ends: 38 [2018-12-31 04:04:52,553 INFO L226 Difference]: Without dead ends: 18 [2018-12-31 04:04:52,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-31 04:04:52,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-12-31 04:04:52,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-12-31 04:04:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-31 04:04:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-12-31 04:04:52,559 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2018-12-31 04:04:52,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:04:52,559 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-12-31 04:04:52,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 04:04:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-12-31 04:04:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 04:04:52,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:04:52,560 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:04:52,561 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:04:52,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:04:52,562 INFO L82 PathProgramCache]: Analyzing trace with hash -618100041, now seen corresponding path program 1 times [2018-12-31 04:04:52,563 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:04:52,563 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 [2018-12-31 04:04:52,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:04:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:04:52,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:04:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:04:53,152 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:04:53,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:04:53,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 04:04:53,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 04:04:53,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 04:04:53,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 04:04:53,167 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 6 states. [2018-12-31 04:04:54,569 WARN L181 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-31 04:04:54,867 WARN L181 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-31 04:04:54,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:04:54,868 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-12-31 04:04:54,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 04:04:54,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-12-31 04:04:54,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:04:54,869 INFO L225 Difference]: With dead ends: 18 [2018-12-31 04:04:54,869 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 04:04:54,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 04:04:54,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 04:04:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 04:04:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 04:04:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 04:04:54,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-12-31 04:04:54,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:04:54,872 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 04:04:54,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 04:04:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 04:04:54,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 04:04:54,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 04:04:55,387 WARN L181 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-12-31 04:04:55,496 WARN L181 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-31 04:04:55,923 WARN L181 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-12-31 04:04:55,965 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 52 56) no Hoare annotation was computed. [2018-12-31 04:04:55,965 INFO L444 ceAbstractionStarter]: At program point L52-2(lines 52 56) the Hoare annotation is: false [2018-12-31 04:04:55,965 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 76) no Hoare annotation was computed. [2018-12-31 04:04:55,965 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-12-31 04:04:55,966 INFO L444 ceAbstractionStarter]: At program point L36-2(lines 36 40) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (fp.lt ULTIMATE.start_main_~x~0 .cse0) (fp.lt ULTIMATE.start___ieee754_logf_~x .cse0) (= ~zero_log~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) [2018-12-31 04:04:55,966 INFO L448 ceAbstractionStarter]: For program point L36-3(lines 36 40) no Hoare annotation was computed. [2018-12-31 04:04:55,966 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 04:04:55,966 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 04:04:55,966 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2018-12-31 04:04:55,966 INFO L444 ceAbstractionStarter]: At program point L61-2(lines 61 65) the Hoare annotation is: false [2018-12-31 04:04:55,967 INFO L448 ceAbstractionStarter]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2018-12-31 04:04:55,967 INFO L444 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (exists ((ULTIMATE.start___ieee754_logf_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_logf_~x ULTIMATE.start___ieee754_logf_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (fp.lt ULTIMATE.start_main_~x~0 .cse0) (= (bvadd |ULTIMATE.start_isnan_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (fp.lt ULTIMATE.start___ieee754_logf_~x .cse0) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~1)) .cse0) (= ~zero_log~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) [2018-12-31 04:04:55,967 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 83) no Hoare annotation was computed. [2018-12-31 04:04:55,967 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-31 04:04:55,967 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-12-31 04:04:55,967 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2018-12-31 04:04:55,968 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 107) no Hoare annotation was computed. [2018-12-31 04:04:55,969 INFO L451 ceAbstractionStarter]: At program point L145(lines 125 146) the Hoare annotation is: true [2018-12-31 04:04:55,969 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-12-31 04:04:55,969 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 101) no Hoare annotation was computed. [2018-12-31 04:04:55,969 INFO L444 ceAbstractionStarter]: At program point L122(lines 114 123) the Hoare annotation is: (and (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32))) |ULTIMATE.start_main_#t~short12| (= ~zero_log~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) [2018-12-31 04:04:55,969 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 142) no Hoare annotation was computed. [2018-12-31 04:04:55,970 INFO L444 ceAbstractionStarter]: At program point L106(lines 32 108) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (exists ((ULTIMATE.start___ieee754_logf_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_logf_~x ULTIMATE.start___ieee754_logf_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (fp.lt ULTIMATE.start_main_~x~0 .cse0) (fp.lt ULTIMATE.start___ieee754_logf_~x .cse0) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~1)) .cse0) (= ~zero_log~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) [2018-12-31 04:04:55,970 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 04:04:55,970 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 57) no Hoare annotation was computed. [2018-12-31 04:04:55,970 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 57) no Hoare annotation was computed. [2018-12-31 04:04:55,970 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-12-31 04:04:55,970 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 04:04:55,971 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-12-31 04:04:55,971 INFO L444 ceAbstractionStarter]: At program point L116-2(lines 116 120) the Hoare annotation is: (and (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32))) |ULTIMATE.start_main_#t~short12| (= ~zero_log~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) [2018-12-31 04:04:55,971 INFO L448 ceAbstractionStarter]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2018-12-31 04:04:55,971 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-12-31 04:04:55,971 INFO L448 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2018-12-31 04:04:55,971 INFO L448 ceAbstractionStarter]: For program point L134-2(lines 134 143) no Hoare annotation was computed. [2018-12-31 04:04:55,971 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 84) no Hoare annotation was computed. [2018-12-31 04:04:55,975 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2018-12-31 04:04:55,976 INFO L448 ceAbstractionStarter]: For program point L134-4(lines 134 143) no Hoare annotation was computed. [2018-12-31 04:04:55,986 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,987 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:55,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:55,988 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,988 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,988 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,989 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,989 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,995 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,996 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:55,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:55,996 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,997 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,997 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,997 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:55,997 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,001 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,001 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,002 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,002 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,003 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,004 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,004 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,004 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,007 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,009 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,010 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,010 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,010 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,010 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,010 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,011 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,013 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,013 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,014 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,014 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:04:56 BoogieIcfgContainer [2018-12-31 04:04:56,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:04:56,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:04:56,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:04:56,026 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:04:56,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:04:49" (3/4) ... [2018-12-31 04:04:56,037 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 04:04:56,062 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-31 04:04:56,065 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-31 04:04:56,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ULTIMATE.start___ieee754_logf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_logf_~x, ULTIMATE.start___ieee754_logf_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) [2018-12-31 04:04:56,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists ULTIMATE.start___ieee754_logf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_logf_~x, ULTIMATE.start___ieee754_logf_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) [2018-12-31 04:04:56,191 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 04:04:56,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:04:56,196 INFO L168 Benchmark]: Toolchain (without parser) took 18090.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 942.0 MB in the beginning and 969.3 MB in the end (delta: -27.3 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:56,197 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:04:56,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.69 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:56,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:56,198 INFO L168 Benchmark]: Boogie Preprocessor took 44.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:56,202 INFO L168 Benchmark]: RCFGBuilder took 11020.24 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:56,202 INFO L168 Benchmark]: TraceAbstraction took 6229.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.0 MB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:56,203 INFO L168 Benchmark]: Witness Printer took 166.03 ms. Allocated memory is still 1.2 GB. Free memory was 976.0 MB in the beginning and 969.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:04:56,207 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 491.69 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11020.24 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6229.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.0 MB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. * Witness Printer took 166.03 ms. Allocated memory is still 1.2 GB. Free memory was 976.0 MB in the beginning and 969.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. 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 ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 111]: Loop Invariant [2018-12-31 04:04:56,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,230 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,231 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,231 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,231 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,231 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,237 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,237 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,237 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((\exists ULTIMATE.start___ieee754_logf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_logf_~x, ULTIMATE.start___ieee754_logf_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 114]: Loop Invariant [2018-12-31 04:04:56,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,242 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,242 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,243 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) && aux-x < 0 && isfinite_float(x)-aux) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 32]: Loop Invariant [2018-12-31 04:04:56,243 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,243 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,243 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,244 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,244 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,244 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,244 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,247 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,247 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,247 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,248 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,248 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x,QUANTIFIED] [2018-12-31 04:04:56,248 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,248 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,252 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,252 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,252 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((\exists ULTIMATE.start___ieee754_logf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_logf_~x, ULTIMATE.start___ieee754_logf_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant [2018-12-31 04:04:56,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,254 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,254 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) && aux-x < 0 && isfinite_float(x)-aux) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 36]: Loop Invariant [2018-12-31 04:04:56,254 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,254 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:04:56,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && zero_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 35 SDslu, 93 SDs, 0 SdLazy, 26 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 126 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 1 QuantifiedInterpolants, 2835 SizeOfPredicates, 12 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...