./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1092b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_1092b_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 0d806ca1b262345211037ccd3e4a22cabffa047b ..................................................................................................................................................................................................................................................................................... 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_1092b_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 0d806ca1b262345211037ccd3e4a22cabffa047b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:58:20,394 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:58:20,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:58:20,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:58:20,409 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:58:20,410 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:58:20,412 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:58:20,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:58:20,418 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:58:20,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:58:20,423 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:58:20,423 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:58:20,424 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:58:20,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:58:20,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:58:20,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:58:20,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:58:20,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:58:20,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:58:20,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:58:20,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:58:20,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:58:20,444 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:58:20,445 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:58:20,445 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:58:20,446 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:58:20,447 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:58:20,448 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:58:20,449 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:58:20,450 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:58:20,450 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:58:20,451 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:58:20,451 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:58:20,452 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:58:20,453 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:58:20,454 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:58:20,454 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:58:20,481 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:58:20,481 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:58:20,484 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:58:20,484 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:58:20,484 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:58:20,485 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:58:20,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:58:20,486 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:58:20,486 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:58:20,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:58:20,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:58:20,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:58:20,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:58:20,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:58:20,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:58:20,490 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:58:20,490 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:58:20,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:58:20,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:58:20,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:58:20,493 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:58:20,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:20,493 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:58:20,493 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:58:20,493 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:58:20,494 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:58:20,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:58:20,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:58:20,495 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 -> 0d806ca1b262345211037ccd3e4a22cabffa047b [2018-12-31 03:58:20,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:58:20,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:58:20,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:58:20,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:58:20,555 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:58:20,555 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-12-31 03:58:20,631 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566ddd0e1/142f913c01034457887993ee7f6fb953/FLAG186590d99 [2018-12-31 03:58:21,056 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:58:21,057 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-12-31 03:58:21,070 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566ddd0e1/142f913c01034457887993ee7f6fb953/FLAG186590d99 [2018-12-31 03:58:21,430 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566ddd0e1/142f913c01034457887993ee7f6fb953 [2018-12-31 03:58:21,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:58:21,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:58:21,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:21,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:58:21,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:58:21,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:21,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22eac36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21, skipping insertion in model container [2018-12-31 03:58:21,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:21,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:58:21,475 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:58:21,750 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:21,754 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:58:21,815 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:21,847 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:58:21,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21 WrapperNode [2018-12-31 03:58:21,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:21,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:21,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:58:21,849 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:58:21,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:21,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:21,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:21,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:58:21,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:58:21,916 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:58:21,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:21,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:21,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:21,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:22,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:22,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:22,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... [2018-12-31 03:58:22,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:58:22,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:58:22,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:58:22,030 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:58:22,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:58:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:58:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:58:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:58:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:58:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:58:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:58:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:58:22,836 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:22,837 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-31 03:58:22,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:22 BoogieIcfgContainer [2018-12-31 03:58:22,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:22,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:22,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:22,842 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:22,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:58:21" (1/3) ... [2018-12-31 03:58:22,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6087f18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:22, skipping insertion in model container [2018-12-31 03:58:22,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:21" (2/3) ... [2018-12-31 03:58:22,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6087f18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:22, skipping insertion in model container [2018-12-31 03:58:22,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:22" (3/3) ... [2018-12-31 03:58:22,845 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b_true-unreach-call.c [2018-12-31 03:58:22,855 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:22,863 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:22,882 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:22,914 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:22,914 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:22,915 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:22,915 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:22,915 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:22,915 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:22,915 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:22,916 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:22,916 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-12-31 03:58:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:58:22,938 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:22,939 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:22,941 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:22,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:22,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2018-12-31 03:58:22,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:58:22,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:58:22,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:22,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:22,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:23,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:23,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:23,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:23,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:23,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:23,088 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2018-12-31 03:58:23,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:23,107 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2018-12-31 03:58:23,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:23,108 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 03:58:23,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:23,121 INFO L225 Difference]: With dead ends: 64 [2018-12-31 03:58:23,121 INFO L226 Difference]: Without dead ends: 30 [2018-12-31 03:58:23,125 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:23,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-12-31 03:58:23,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-12-31 03:58:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-12-31 03:58:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2018-12-31 03:58:23,162 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2018-12-31 03:58:23,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:23,162 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2018-12-31 03:58:23,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:23,163 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-12-31 03:58:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:58:23,163 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:23,164 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:23,164 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:23,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:23,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2018-12-31 03:58:23,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:58:23,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:58:23,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:23,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:23,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:58:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:58:23,267 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:58:23,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:58:23 BoogieIcfgContainer [2018-12-31 03:58:23,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:58:23,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:58:23,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:58:23,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:58:23,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:22" (3/4) ... [2018-12-31 03:58:23,314 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:58:23,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:58:23,316 INFO L168 Benchmark]: Toolchain (without parser) took 1881.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -70.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,318 INFO L168 Benchmark]: CDTParser took 0.52 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. [2018-12-31 03:58:23,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.63 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.61 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,321 INFO L168 Benchmark]: Boogie Preprocessor took 113.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,322 INFO L168 Benchmark]: RCFGBuilder took 807.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,324 INFO L168 Benchmark]: TraceAbstraction took 469.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,325 INFO L168 Benchmark]: Witness Printer took 5.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:23,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 411.63 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 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 66.61 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 807.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 469.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = 0.0; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 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=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.1.24-2e94e6a [2018-12-31 03:58:25,661 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:58:25,663 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:58:25,676 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:58:25,676 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:58:25,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:58:25,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:58:25,682 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:58:25,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:58:25,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:58:25,686 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:58:25,686 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:58:25,688 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:58:25,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:58:25,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:58:25,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:58:25,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:58:25,699 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:58:25,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:58:25,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:58:25,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:58:25,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:58:25,717 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:58:25,717 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:58:25,718 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:58:25,719 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:58:25,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:58:25,726 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:58:25,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:58:25,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:58:25,728 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:58:25,732 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:58:25,732 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:58:25,732 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:58:25,733 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:58:25,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:58:25,735 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:58:25,768 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:58:25,768 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:58:25,770 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:58:25,771 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:58:25,771 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:58:25,771 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:58:25,771 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:58:25,771 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:58:25,772 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:58:25,772 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:58:25,772 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:58:25,772 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:58:25,773 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:58:25,773 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:58:25,773 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:58:25,773 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:58:25,773 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:58:25,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:58:25,774 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:58:25,774 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:58:25,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:58:25,774 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:58:25,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:25,775 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:58:25,776 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:58:25,777 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:58:25,777 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:58:25,777 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:58:25,777 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:58:25,777 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:58:25,778 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 -> 0d806ca1b262345211037ccd3e4a22cabffa047b [2018-12-31 03:58:25,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:58:25,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:58:25,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:58:25,841 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:58:25,842 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:58:25,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-12-31 03:58:25,906 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a39279c/4513bb2ebd754456b7778451488969b8/FLAG4286de3ac [2018-12-31 03:58:26,442 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:58:26,445 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-12-31 03:58:26,455 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a39279c/4513bb2ebd754456b7778451488969b8/FLAG4286de3ac [2018-12-31 03:58:26,742 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a39279c/4513bb2ebd754456b7778451488969b8 [2018-12-31 03:58:26,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:58:26,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:58:26,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:26,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:58:26,754 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:58:26,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:26" (1/1) ... [2018-12-31 03:58:26,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8e7523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:26, skipping insertion in model container [2018-12-31 03:58:26,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:26" (1/1) ... [2018-12-31 03:58:26,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:58:26,793 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:58:27,039 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:27,047 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:58:27,109 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:27,144 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:58:27,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27 WrapperNode [2018-12-31 03:58:27,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:27,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:27,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:58:27,145 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:58:27,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:27,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:58:27,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:58:27,198 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:58:27,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:58:27,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:58:27,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:58:27,325 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:58:27,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:58:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:58:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:58:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:58:27,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:58:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:58:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:58:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:58:27,657 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:29,107 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:29,107 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-31 03:58:29,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:29 BoogieIcfgContainer [2018-12-31 03:58:29,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:29,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:29,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:29,113 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:29,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:58:26" (1/3) ... [2018-12-31 03:58:29,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d182f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:29, skipping insertion in model container [2018-12-31 03:58:29,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (2/3) ... [2018-12-31 03:58:29,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d182f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:29, skipping insertion in model container [2018-12-31 03:58:29,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:29" (3/3) ... [2018-12-31 03:58:29,118 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b_true-unreach-call.c [2018-12-31 03:58:29,129 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:29,138 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:29,155 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:29,186 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:29,187 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:29,187 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:29,187 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:29,187 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:29,188 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:29,188 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:29,188 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:29,188 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-12-31 03:58:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:58:29,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:29,210 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:29,214 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:29,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:29,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2018-12-31 03:58:29,226 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:29,226 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 [2018-12-31 03:58:29,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:29,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:29,314 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:29,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:29,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:29,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:29,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:29,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:29,356 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2018-12-31 03:58:29,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:29,377 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2018-12-31 03:58:29,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:29,379 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 03:58:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:29,391 INFO L225 Difference]: With dead ends: 64 [2018-12-31 03:58:29,392 INFO L226 Difference]: Without dead ends: 30 [2018-12-31 03:58:29,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-12-31 03:58:29,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-12-31 03:58:29,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-12-31 03:58:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2018-12-31 03:58:29,432 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2018-12-31 03:58:29,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:29,433 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2018-12-31 03:58:29,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-12-31 03:58:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:58:29,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:29,435 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:29,435 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:29,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:29,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2018-12-31 03:58:29,437 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:29,437 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:29,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:29,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:29,705 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:29,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:29,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:58:29,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:58:29,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:58:29,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:58:29,724 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 5 states. [2018-12-31 03:58:30,051 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-31 03:58:30,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:30,541 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2018-12-31 03:58:30,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 03:58:30,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-12-31 03:58:30,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:30,544 INFO L225 Difference]: With dead ends: 44 [2018-12-31 03:58:30,544 INFO L226 Difference]: Without dead ends: 24 [2018-12-31 03:58:30,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 03:58:30,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-12-31 03:58:30,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2018-12-31 03:58:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-31 03:58:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-12-31 03:58:30,559 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2018-12-31 03:58:30,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:30,561 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-12-31 03:58:30,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:58:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-31 03:58:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-31 03:58:30,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:30,562 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:30,562 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:30,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:30,565 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2018-12-31 03:58:30,566 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:30,566 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:30,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:30,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:30,811 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:30,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:30,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 03:58:30,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 03:58:30,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 03:58:30,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:58:30,824 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2018-12-31 03:58:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:30,991 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-12-31 03:58:30,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 03:58:30,992 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-12-31 03:58:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:30,993 INFO L225 Difference]: With dead ends: 24 [2018-12-31 03:58:30,993 INFO L226 Difference]: Without dead ends: 17 [2018-12-31 03:58:30,993 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:58:30,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-12-31 03:58:30,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-12-31 03:58:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-31 03:58:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-12-31 03:58:30,997 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-12-31 03:58:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:30,998 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-12-31 03:58:30,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 03:58:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-12-31 03:58:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 03:58:30,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:31,000 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:31,000 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:31,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:31,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1786240041, now seen corresponding path program 1 times [2018-12-31 03:58:31,002 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:31,002 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:31,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:31,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:31,227 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:31,230 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:31,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-31 03:58:31,296 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:31,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-12-31 03:58:31,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:31,329 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 24 treesize of output 18 [2018-12-31 03:58:31,345 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:31,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-12-31 03:58:31,347 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:31,360 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:31,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:31,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 03:58:31,389 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-31 03:58:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:31,495 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:31,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:31,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 03:58:31,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 03:58:31,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 03:58:31,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:58:31,510 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 4 states. [2018-12-31 03:58:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:31,676 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-31 03:58:31,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 03:58:31,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-12-31 03:58:31,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:31,678 INFO L225 Difference]: With dead ends: 24 [2018-12-31 03:58:31,678 INFO L226 Difference]: Without dead ends: 17 [2018-12-31 03:58:31,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:58:31,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-12-31 03:58:31,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-12-31 03:58:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-31 03:58:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2018-12-31 03:58:31,683 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2018-12-31 03:58:31,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:31,683 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2018-12-31 03:58:31,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 03:58:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-12-31 03:58:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 03:58:31,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:31,684 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:31,685 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:31,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:31,685 INFO L82 PathProgramCache]: Analyzing trace with hash -11232679, now seen corresponding path program 1 times [2018-12-31 03:58:31,685 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:31,685 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 [2018-12-31 03:58:31,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:31,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:32,033 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 45 treesize of output 39 [2018-12-31 03:58:32,042 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 39 treesize of output 36 [2018-12-31 03:58:32,091 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 27 treesize of output 15 [2018-12-31 03:58:32,092 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:32,126 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:32,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:32,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-31 03:58:32,260 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:54, output treesize:24 [2018-12-31 03:58:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:32,539 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:32,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:32,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 03:58:32,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 03:58:32,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 03:58:32,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-31 03:58:32,556 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 7 states. [2018-12-31 03:58:32,813 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-31 03:58:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:33,231 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-12-31 03:58:33,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:58:33,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-12-31 03:58:33,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:33,232 INFO L225 Difference]: With dead ends: 17 [2018-12-31 03:58:33,232 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:58:33,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-12-31 03:58:33,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:58:33,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:58:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:58:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:58:33,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-12-31 03:58:33,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:33,234 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:58:33,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 03:58:33,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:58:33,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:58:33,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:58:33,512 WARN L181 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-31 03:58:33,561 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2018-12-31 03:58:33,562 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2018-12-31 03:58:33,562 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2018-12-31 03:58:33,562 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:58:33,562 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-31 03:58:33,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:58:33,563 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2018-12-31 03:58:33,563 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-31 03:58:33,563 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-31 03:58:33,563 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2018-12-31 03:58:33,564 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2018-12-31 03:58:33,564 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2018-12-31 03:58:33,564 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-31 03:58:33,564 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2018-12-31 03:58:33,564 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-12-31 03:58:33,565 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_ceil_double_~x (_ +zero 11 53))) [2018-12-31 03:58:33,565 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2018-12-31 03:58:33,565 INFO L444 ceAbstractionStarter]: At program point L80(lines 19 81) the Hoare annotation is: (and (exists ((v_prenex_5 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_prenex_5) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) (_ +zero 11 53)))) (= |ULTIMATE.start_ceil_double_#res| ULTIMATE.start_main_~x~0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_ceil_double_~x (_ +zero 11 53)) (exists ((v_prenex_6 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_6))) (and (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) (_ +zero 11 53)) (= ULTIMATE.start_ceil_double_~i1~0 .cse0) (= ULTIMATE.start_ceil_double_~i0~0 .cse0))))) [2018-12-31 03:58:33,565 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2018-12-31 03:58:33,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2018-12-31 03:58:33,566 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2018-12-31 03:58:33,566 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:58:33,566 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2018-12-31 03:58:33,566 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2018-12-31 03:58:33,566 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2018-12-31 03:58:33,566 INFO L451 ceAbstractionStarter]: At program point L99(lines 83 100) the Hoare annotation is: true [2018-12-31 03:58:33,566 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2018-12-31 03:58:33,567 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:58:33,567 INFO L448 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2018-12-31 03:58:33,567 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2018-12-31 03:58:33,567 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-31 03:58:33,567 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2018-12-31 03:58:33,567 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-12-31 03:58:33,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,576 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,576 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,581 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:33,582 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,582 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,582 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,592 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,592 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,592 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:33,593 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,593 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,593 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,593 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,596 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:33,596 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:33,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:58:33 BoogieIcfgContainer [2018-12-31 03:58:33,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:58:33,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:58:33,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:58:33,600 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:58:33,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:29" (3/4) ... [2018-12-31 03:58:33,606 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:58:33,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 03:58:33,623 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-31 03:58:33,659 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_prenex_5 : bv64 :: ~bvadd64(j0, 1023bv32) == ~bvand32(2047bv32, ~bvashr32(v_prenex_5[63:32], 20bv32)) && ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == ~Pluszero~LONGDOUBLE()) && \result == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_ceil) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE()) && (\exists v_prenex_6 : bv64 :: (~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == ~Pluszero~LONGDOUBLE() && i1 == v_prenex_6[63:32]) && i0 == v_prenex_6[63:32]) [2018-12-31 03:58:33,701 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:58:33,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:58:33,703 INFO L168 Benchmark]: Toolchain (without parser) took 6955.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.4 MB in the beginning and 966.0 MB in the end (delta: -14.6 MB). Peak memory consumption was 129.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:33,704 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-31 03:58:33,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:33,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.54 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:33,707 INFO L168 Benchmark]: Boogie Preprocessor took 126.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:33,709 INFO L168 Benchmark]: RCFGBuilder took 1783.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:33,710 INFO L168 Benchmark]: TraceAbstraction took 4490.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.0 MB in the end (delta: 146.8 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:33,711 INFO L168 Benchmark]: Witness Printer took 102.16 ms. Allocated memory is still 1.2 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:33,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 395.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 52.54 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1783.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4490.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.0 MB in the end (delta: 146.8 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. * Witness Printer took 102.16 ms. Allocated memory is still 1.2 GB. Free memory is still 966.0 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_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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: 19]: Loop Invariant [2018-12-31 03:58:33,740 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,740 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,741 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:33,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-31 03:58:33,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:33,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-31 03:58:33,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] Derived loop invariant: (((((\exists v_prenex_5 : bv64 :: ~bvadd64(j0, 1023bv32) == ~bvand32(2047bv32, ~bvashr32(v_prenex_5[63:32], 20bv32)) && ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == ~Pluszero~LONGDOUBLE()) && \result == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_ceil) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE()) && (\exists v_prenex_6 : bv64 :: (~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == ~Pluszero~LONGDOUBLE() && i1 == v_prenex_6[63:32]) && i0 == v_prenex_6[63:32]) - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant [2018-12-31 03:58:33,746 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:33,747 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_ceil && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 97 SDslu, 32 SDs, 0 SdLazy, 55 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 68 HoareAnnotationTreeSize, 3 FomulaSimplifications, 38 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 11 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 18 QuantifiedInterpolants, 6556 SizeOfPredicates, 20 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 35 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...