./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1072b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e 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/double_req_bl_1072b_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 e202c391e3bb616d6f4a88904e6d2705a4dd90a9 ..................................................................................................................................................................................................................................................................................................... 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/double_req_bl_1072b_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 e202c391e3bb616d6f4a88904e6d2705a4dd90a9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:55:46,981 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:55:46,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:55:46,996 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:55:46,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:55:46,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:55:46,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:55:47,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:55:47,004 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:55:47,005 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:55:47,006 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:55:47,006 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:55:47,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:55:47,009 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:55:47,010 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:55:47,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:55:47,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:55:47,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:55:47,017 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:55:47,019 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:55:47,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:55:47,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:55:47,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:55:47,026 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:55:47,026 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:55:47,027 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:55:47,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:55:47,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:55:47,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:55:47,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:55:47,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:55:47,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:55:47,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:55:47,034 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:55:47,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:55:47,037 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:55:47,037 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:55:47,053 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:55:47,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:55:47,054 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:55:47,054 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:55:47,056 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:55:47,056 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:55:47,056 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:55:47,056 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:55:47,056 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:55:47,057 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:55:47,057 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:55:47,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:55:47,058 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:55:47,058 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:55:47,058 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:55:47,058 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:55:47,059 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:55:47,059 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:55:47,059 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:55:47,059 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:55:47,059 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:55:47,059 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:55:47,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:55:47,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:55:47,062 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:55:47,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:55:47,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:55:47,062 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:55:47,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:55:47,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:55:47,064 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 -> e202c391e3bb616d6f4a88904e6d2705a4dd90a9 [2018-11-28 17:55:47,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:55:47,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:55:47,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:55:47,136 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:55:47,137 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:55:47,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1072b_true-unreach-call.c [2018-11-28 17:55:47,203 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcc6199c/8dc970e8488b48e2868cc903428c655f/FLAG47f0796c4 [2018-11-28 17:55:47,685 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:55:47,686 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1072b_true-unreach-call.c [2018-11-28 17:55:47,694 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcc6199c/8dc970e8488b48e2868cc903428c655f/FLAG47f0796c4 [2018-11-28 17:55:48,039 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcc6199c/8dc970e8488b48e2868cc903428c655f [2018-11-28 17:55:48,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:55:48,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:55:48,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:55:48,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:55:48,050 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:55:48,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1358932a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48, skipping insertion in model container [2018-11-28 17:55:48,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:55:48,087 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:55:48,315 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:55:48,320 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:55:48,357 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:55:48,383 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:55:48,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48 WrapperNode [2018-11-28 17:55:48,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:55:48,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:55:48,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:55:48,386 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:55:48,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:55:48,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:55:48,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:55:48,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:55:48,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (1/1) ... [2018-11-28 17:55:48,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:55:48,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:55:48,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:55:48,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:55:48,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (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 [2018-11-28 17:55:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-28 17:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-28 17:55:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:55:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-11-28 17:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-11-28 17:55:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 17:55:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 17:55:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:55:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:55:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 17:55:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:55:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:55:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:55:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 17:55:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:55:49,235 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:55:49,235 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-28 17:55:49,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:49 BoogieIcfgContainer [2018-11-28 17:55:49,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:55:49,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:55:49,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:55:49,241 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:55:49,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:55:48" (1/3) ... [2018-11-28 17:55:49,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129ccd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:55:49, skipping insertion in model container [2018-11-28 17:55:49,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:48" (2/3) ... [2018-11-28 17:55:49,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129ccd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:55:49, skipping insertion in model container [2018-11-28 17:55:49,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:49" (3/3) ... [2018-11-28 17:55:49,247 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b_true-unreach-call.c [2018-11-28 17:55:49,256 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:55:49,264 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:55:49,280 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:55:49,313 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:55:49,314 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:55:49,314 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:55:49,314 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:55:49,314 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:55:49,314 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:55:49,315 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:55:49,315 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:55:49,315 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:55:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-28 17:55:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 17:55:49,343 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:49,344 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:55:49,347 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:49,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:49,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1697336041, now seen corresponding path program 1 times [2018-11-28 17:55:49,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:55:49,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:55:49,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:55:49,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:49,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:55:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:55:49,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:49,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:55:49,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:55:49,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:55:49,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:55:49,521 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-28 17:55:49,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:55:49,546 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-11-28 17:55:49,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:55:49,548 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-28 17:55:49,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:55:49,557 INFO L225 Difference]: With dead ends: 74 [2018-11-28 17:55:49,557 INFO L226 Difference]: Without dead ends: 37 [2018-11-28 17:55:49,561 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 [2018-11-28 17:55:49,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-28 17:55:49,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-28 17:55:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-28 17:55:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-28 17:55:49,608 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-11-28 17:55:49,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:55:49,608 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-28 17:55:49,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:55:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-28 17:55:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 17:55:49,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:49,610 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:55:49,610 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:49,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:49,611 INFO L82 PathProgramCache]: Analyzing trace with hash 859793106, now seen corresponding path program 1 times [2018-11-28 17:55:49,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:55:49,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:55:49,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:55:49,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:49,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:55:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:55:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:55:49,760 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:55:49,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:55:49 BoogieIcfgContainer [2018-11-28 17:55:49,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:55:49,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:55:49,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:55:49,796 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:55:49,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:49" (3/4) ... [2018-11-28 17:55:49,800 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:55:49,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:55:49,801 INFO L168 Benchmark]: Toolchain (without parser) took 1757.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -98.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:49,803 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:55:49,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.83 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:49,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.94 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:49,805 INFO L168 Benchmark]: Boogie Preprocessor took 69.56 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:55:49,806 INFO L168 Benchmark]: RCFGBuilder took 747.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:49,807 INFO L168 Benchmark]: TraceAbstraction took 557.93 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:49,808 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:55:49,813 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.83 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.94 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.56 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 747.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 557.93 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 86]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L81] double x = 0.0; VAL [x=0] [L82] CALL, EXPR trunc_double(x) VAL [\old(x)=0] [L18] int signbit; [L19] int msw; [L20] unsigned int lsw; [L21] int exponent_less_1023; VAL [\old(x)=0, x=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] signbit = msw & 0x80000000 [L29] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=0, exponent_less_1023=1024, lsw=2147483656, msw=-2147483648, signbit=-1, x=0] [L30] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=0, exponent_less_1023=1024, lsw=2147483656, msw=-2147483648, signbit=-1, x=0] [L47] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=0, exponent_less_1023=1024, lsw=2147483656, msw=-2147483648, signbit=-1, x=0] [L48] COND TRUE exponent_less_1023 == 1024 [L49] return x + x; VAL [\old(x)=0, exponent_less_1023=1024, lsw=2147483656, msw=-2147483648, signbit=-1, x=0] [L82] RET, EXPR trunc_double(x) VAL [trunc_double(x)=6442450949, x=0] [L82] double res = trunc_double(x); [L85] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=6442450949, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L85] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L86] __VERIFIER_error() VAL [res=6442450949, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 17:55:52,316 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:55:52,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:55:52,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:55:52,337 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:55:52,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:55:52,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:55:52,352 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:55:52,354 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:55:52,357 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:55:52,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:55:52,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:55:52,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:55:52,364 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:55:52,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:55:52,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:55:52,367 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:55:52,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:55:52,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:55:52,373 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:55:52,374 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:55:52,375 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:55:52,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:55:52,378 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:55:52,378 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:55:52,379 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:55:52,380 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:55:52,381 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:55:52,382 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:55:52,383 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:55:52,383 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:55:52,384 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:55:52,384 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:55:52,384 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:55:52,386 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:55:52,386 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:55:52,387 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:55:52,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:55:52,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:55:52,404 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:55:52,404 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:55:52,405 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:55:52,405 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:55:52,405 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:55:52,405 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:55:52,406 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:55:52,406 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:55:52,406 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:55:52,406 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:55:52,406 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:55:52,406 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:55:52,407 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:55:52,407 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:55:52,407 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:55:52,407 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:55:52,407 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:55:52,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:55:52,408 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:55:52,408 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:55:52,408 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:55:52,408 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:55:52,408 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:55:52,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:55:52,409 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:55:52,409 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:55:52,409 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:55:52,409 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:55:52,409 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:55:52,410 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:55:52,410 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 -> e202c391e3bb616d6f4a88904e6d2705a4dd90a9 [2018-11-28 17:55:52,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:55:52,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:55:52,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:55:52,468 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:55:52,468 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:55:52,469 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1072b_true-unreach-call.c [2018-11-28 17:55:52,528 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630acd555/3bfdd7338f464074a4d7efb5372cb28f/FLAG5edd83f97 [2018-11-28 17:55:52,986 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:55:52,987 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1072b_true-unreach-call.c [2018-11-28 17:55:52,995 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630acd555/3bfdd7338f464074a4d7efb5372cb28f/FLAG5edd83f97 [2018-11-28 17:55:53,340 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630acd555/3bfdd7338f464074a4d7efb5372cb28f [2018-11-28 17:55:53,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:55:53,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:55:53,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:55:53,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:55:53,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:55:53,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425fcdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53, skipping insertion in model container [2018-11-28 17:55:53,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:55:53,392 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:55:53,588 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:55:53,595 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:55:53,635 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:55:53,667 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:55:53,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53 WrapperNode [2018-11-28 17:55:53,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:55:53,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:55:53,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:55:53,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:55:53,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:55:53,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:55:53,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:55:53,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:55:53,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (1/1) ... [2018-11-28 17:55:53,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:55:53,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:55:53,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:55:53,767 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:55:53,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (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 [2018-11-28 17:55:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 17:55:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 17:55:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-28 17:55:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-28 17:55:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:55:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:55:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-11-28 17:55:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-11-28 17:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:55:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 17:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:55:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:55:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 17:55:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:55:54,153 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:55:54,588 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:55:54,623 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:55:54,623 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-28 17:55:54,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:54 BoogieIcfgContainer [2018-11-28 17:55:54,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:55:54,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:55:54,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:55:54,628 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:55:54,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:55:53" (1/3) ... [2018-11-28 17:55:54,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574119bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:55:54, skipping insertion in model container [2018-11-28 17:55:54,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:55:53" (2/3) ... [2018-11-28 17:55:54,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574119bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:55:54, skipping insertion in model container [2018-11-28 17:55:54,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:54" (3/3) ... [2018-11-28 17:55:54,631 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b_true-unreach-call.c [2018-11-28 17:55:54,640 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:55:54,648 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:55:54,666 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:55:54,700 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:55:54,701 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:55:54,701 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:55:54,702 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:55:54,702 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:55:54,702 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:55:54,702 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:55:54,702 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:55:54,702 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:55:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-28 17:55:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 17:55:54,730 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:54,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:55:54,733 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:54,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:54,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1697336041, now seen corresponding path program 1 times [2018-11-28 17:55:54,743 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:55:54,743 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) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 17:55:54,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:54,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:55:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:55:54,865 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:55:54,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:54,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:55:54,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:55:54,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:55:54,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:55:54,909 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-28 17:55:54,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:55:54,937 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-11-28 17:55:54,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:55:54,938 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-28 17:55:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:55:54,951 INFO L225 Difference]: With dead ends: 74 [2018-11-28 17:55:54,952 INFO L226 Difference]: Without dead ends: 37 [2018-11-28 17:55:54,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:55:54,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-28 17:55:55,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-28 17:55:55,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-28 17:55:55,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-28 17:55:55,011 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-11-28 17:55:55,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:55:55,011 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-28 17:55:55,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:55:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-28 17:55:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 17:55:55,012 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:55,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:55:55,013 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:55,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:55,013 INFO L82 PathProgramCache]: Analyzing trace with hash 859793106, now seen corresponding path program 1 times [2018-11-28 17:55:55,015 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:55:55,015 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 [2018-11-28 17:55:55,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:55,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:55:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:55:55,597 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:55:55,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:55,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:55:55,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:55:55,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:55:55,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:55:55,617 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 7 states. [2018-11-28 17:55:56,058 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 17:55:56,301 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-11-28 17:55:56,543 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 17:55:59,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:55:59,068 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-11-28 17:55:59,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 17:55:59,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-28 17:55:59,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:55:59,072 INFO L225 Difference]: With dead ends: 56 [2018-11-28 17:55:59,072 INFO L226 Difference]: Without dead ends: 33 [2018-11-28 17:55:59,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-28 17:55:59,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-28 17:55:59,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-28 17:55:59,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-28 17:55:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-11-28 17:55:59,084 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 20 [2018-11-28 17:55:59,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:55:59,084 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-11-28 17:55:59,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:55:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-28 17:55:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 17:55:59,086 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:59,086 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:55:59,086 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:59,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:59,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1019458128, now seen corresponding path program 1 times [2018-11-28 17:55:59,087 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:55:59,087 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 [2018-11-28 17:55:59,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:59,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:55:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:55:59,339 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:55:59,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:59,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:55:59,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:55:59,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:55:59,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:55:59,354 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 7 states. [2018-11-28 17:56:00,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:56:00,111 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-11-28 17:56:00,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 17:56:00,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-28 17:56:00,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:56:00,114 INFO L225 Difference]: With dead ends: 49 [2018-11-28 17:56:00,115 INFO L226 Difference]: Without dead ends: 31 [2018-11-28 17:56:00,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-28 17:56:00,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-28 17:56:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-28 17:56:00,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-28 17:56:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-11-28 17:56:00,124 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 22 [2018-11-28 17:56:00,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:56:00,124 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-11-28 17:56:00,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:56:00,127 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-11-28 17:56:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 17:56:00,130 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:56:00,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:56:00,131 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:56:00,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:56:00,131 INFO L82 PathProgramCache]: Analyzing trace with hash 380697694, now seen corresponding path program 1 times [2018-11-28 17:56:00,132 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:56:00,132 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 [2018-11-28 17:56:00,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:56:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:56:00,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:56:00,325 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-11-28 17:56:00,339 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-11-28 17:56:00,391 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-28 17:56:00,392 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 17:56:00,399 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 17:56:00,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 17:56:00,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 17:56:00,408 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2018-11-28 17:56:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:56:00,487 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:56:00,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:56:00,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:56:00,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:56:00,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:56:00,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:56:00,502 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-11-28 17:56:00,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:56:00,773 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-28 17:56:00,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:56:00,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-28 17:56:00,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:56:00,776 INFO L225 Difference]: With dead ends: 34 [2018-11-28 17:56:00,776 INFO L226 Difference]: Without dead ends: 31 [2018-11-28 17:56:00,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:56:00,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-28 17:56:00,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-28 17:56:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-28 17:56:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-28 17:56:00,783 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 22 [2018-11-28 17:56:00,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:56:00,784 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-28 17:56:00,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:56:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-28 17:56:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 17:56:00,785 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:56:00,785 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:56:00,786 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:56:00,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:56:00,786 INFO L82 PathProgramCache]: Analyzing trace with hash 862976725, now seen corresponding path program 1 times [2018-11-28 17:56:00,786 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:56:00,787 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-28 17:56:00,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:56:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:56:00,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:56:00,985 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-11-28 17:56:00,989 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-28 17:56:01,038 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-28 17:56:01,039 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 17:56:01,070 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 17:56:01,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 17:56:01,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 17:56:01,094 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2018-11-28 17:56:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:56:01,677 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:56:01,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:56:01,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-28 17:56:01,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 17:56:01,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 17:56:01,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-28 17:56:01,689 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 15 states. [2018-11-28 17:56:03,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:56:03,591 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-28 17:56:03,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 17:56:03,594 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-11-28 17:56:03,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:56:03,594 INFO L225 Difference]: With dead ends: 31 [2018-11-28 17:56:03,594 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:56:03,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-11-28 17:56:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:56:03,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:56:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:56:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:56:03,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-28 17:56:03,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:56:03,597 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:56:03,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 17:56:03,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:56:03,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:56:03,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:56:04,008 WARN L180 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2018-11-28 17:56:04,192 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 17:56:04,350 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2018-11-28 17:56:04,353 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:56:04,353 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:56:04,353 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:56:04,354 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-11-28 17:56:04,354 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-11-28 17:56:04,354 INFO L448 ceAbstractionStarter]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2018-11-28 17:56:04,354 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 62 72) no Hoare annotation was computed. [2018-11-28 17:56:04,354 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 62 72) no Hoare annotation was computed. [2018-11-28 17:56:04,354 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 62 72) the Hoare annotation is: true [2018-11-28 17:56:04,354 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:56:04,354 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 17:56:04,355 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:56:04,355 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:56:04,355 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 74 91) the Hoare annotation is: true [2018-11-28 17:56:04,355 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 86) no Hoare annotation was computed. [2018-11-28 17:56:04,355 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 74 91) no Hoare annotation was computed. [2018-11-28 17:56:04,355 INFO L448 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-28 17:56:04,355 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 17:56:04,356 INFO L444 ceAbstractionStarter]: At program point L85-1(line 85) the Hoare annotation is: (and |main_#t~short14| (exists ((v_prenex_9 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_9)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) main_~res~0))) (= (_ +zero 11 53) main_~x~0)) [2018-11-28 17:56:04,356 INFO L448 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-11-28 17:56:04,356 INFO L444 ceAbstractionStarter]: At program point L82(line 82) the Hoare annotation is: (= (_ +zero 11 53) main_~x~0) [2018-11-28 17:56:04,356 INFO L448 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-11-28 17:56:04,356 INFO L448 ceAbstractionStarter]: For program point L85-4(lines 85 88) no Hoare annotation was computed. [2018-11-28 17:56:04,356 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 74 91) no Hoare annotation was computed. [2018-11-28 17:56:04,356 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 46) no Hoare annotation was computed. [2018-11-28 17:56:04,356 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2018-11-28 17:56:04,357 INFO L444 ceAbstractionStarter]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (exists ((v_prenex_7 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv20 32))) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-28 17:56:04,357 INFO L448 ceAbstractionStarter]: For program point L52-3(lines 30 58) no Hoare annotation was computed. [2018-11-28 17:56:04,357 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 50) no Hoare annotation was computed. [2018-11-28 17:56:04,357 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-11-28 17:56:04,357 INFO L444 ceAbstractionStarter]: At program point L32-2(lines 32 37) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= trunc_double_~signbit~0 (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_9))) (= (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9)) |trunc_double_#in~x|))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) trunc_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-28 17:56:04,357 INFO L451 ceAbstractionStarter]: At program point trunc_doubleENTRY(lines 17 60) the Hoare annotation is: true [2018-11-28 17:56:04,357 INFO L448 ceAbstractionStarter]: For program point trunc_doubleEXIT(lines 17 60) no Hoare annotation was computed. [2018-11-28 17:56:04,358 INFO L448 ceAbstractionStarter]: For program point trunc_doubleFINAL(lines 17 60) no Hoare annotation was computed. [2018-11-28 17:56:04,358 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 58) no Hoare annotation was computed. [2018-11-28 17:56:04,358 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-11-28 17:56:04,358 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (= trunc_double_~x |trunc_double_#in~x|) [2018-11-28 17:56:04,358 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2018-11-28 17:56:04,358 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-11-28 17:56:04,358 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 39 45) no Hoare annotation was computed. [2018-11-28 17:56:04,358 INFO L444 ceAbstractionStarter]: At program point L39-2(lines 39 45) the Hoare annotation is: (and (exists ((v_prenex_8 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_8)) (_ bv20 32)) (_ bv4294966273 32)) trunc_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-28 17:56:04,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,374 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,375 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,375 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,375 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,375 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,377 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,377 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,378 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,378 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,380 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,380 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,380 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,380 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,380 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,385 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,385 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,385 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,385 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,386 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,386 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,386 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,386 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,391 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,392 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,392 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,392 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,392 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,392 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,393 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,393 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,393 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,393 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,394 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,394 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,396 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,397 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:56:04 BoogieIcfgContainer [2018-11-28 17:56:04,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:56:04,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:56:04,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:56:04,405 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:56:04,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:54" (3/4) ... [2018-11-28 17:56:04,411 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:56:04,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:56:04,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-11-28 17:56:04,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:56:04,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_double [2018-11-28 17:56:04,426 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-28 17:56:04,427 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-28 17:56:04,427 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 17:56:04,454 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-28 17:56:04,454 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 17:56:04,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_9[63:32]) && ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-28 17:56:04,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_8 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-28 17:56:04,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) && (\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-28 17:56:04,498 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:56:04,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:56:04,503 INFO L168 Benchmark]: Toolchain (without parser) took 11157.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 952.7 MB in the beginning and 827.6 MB in the end (delta: 125.0 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:56:04,504 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:56:04,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.81 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:56:04,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.62 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:56:04,505 INFO L168 Benchmark]: Boogie Preprocessor took 59.88 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:56:04,506 INFO L168 Benchmark]: RCFGBuilder took 857.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-28 17:56:04,506 INFO L168 Benchmark]: TraceAbstraction took 9779.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 827.6 MB in the end (delta: 260.3 MB). Peak memory consumption was 260.3 MB. Max. memory is 11.5 GB. [2018-11-28 17:56:04,507 INFO L168 Benchmark]: Witness Printer took 97.77 ms. Allocated memory is still 1.1 GB. Free memory is still 827.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:56:04,518 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.81 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.62 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.88 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 857.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9779.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 827.6 MB in the end (delta: 260.3 MB). Peak memory consumption was 260.3 MB. Max. memory is 11.5 GB. * Witness Printer took 97.77 ms. Allocated memory is still 1.1 GB. Free memory is still 827.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 86]: 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: 65]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 52]: Loop Invariant [2018-11-28 17:56:04,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) && (\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 32]: Loop Invariant [2018-11-28 17:56:04,548 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,548 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,548 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,548 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,549 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,549 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,549 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,549 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,549 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-11-28 17:56:04,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_9[63:32]) && ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 39]: Loop Invariant [2018-11-28 17:56:04,567 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,567 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,567 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,567 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,578 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,578 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,579 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,579 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,579 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,579 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,579 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,580 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,580 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,580 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-28 17:56:04,580 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,580 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,581 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-28 17:56:04,581 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_8 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x)) && (\exists v_prenex_8 : bv64 :: ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_8[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023 && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 9.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 124 SDslu, 509 SDs, 0 SdLazy, 238 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 19 PreInvPairs, 25 NumberOfFragments, 236 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 93 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 40 QuantifiedInterpolants, 23989 SizeOfPredicates, 21 NumberOfNonLiveVariables, 322 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...