./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1032d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_1032d.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 55e25fd47a6133e138b684ec17fad2c015ceccf7 .................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_1032d.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 55e25fd47a6133e138b684ec17fad2c015ceccf7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:50:29,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:50:29,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:50:29,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:50:29,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:50:29,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:50:29,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:50:29,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:50:29,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:50:29,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:50:29,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:50:29,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:50:29,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:50:29,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:50:29,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:50:29,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:50:29,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:50:29,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:50:29,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:50:29,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:50:29,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:50:29,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:50:29,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:50:29,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:50:29,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:50:29,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:50:29,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:50:29,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:50:29,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:50:29,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:50:29,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:50:29,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:50:29,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:50:29,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:50:29,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:50:29,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:50:29,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:50:29,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:50:29,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:50:29,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:50:29,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:50:29,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:50:29,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:50:29,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:50:29,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:50:29,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:50:29,694 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:50:29,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:50:29,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:50:29,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:50:29,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:50:29,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:50:29,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:50:29,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:50:29,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:50:29,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:50:29,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:50:29,697 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:50:29,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:50:29,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:50:29,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:50:29,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:50:29,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:50:29,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:50:29,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:50:29,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:50:29,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:50:29,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:50:29,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:50:29,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:50:29,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 55e25fd47a6133e138b684ec17fad2c015ceccf7 [2019-11-27 23:50:30,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:50:30,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:50:30,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:50:30,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:50:30,044 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:50:30,044 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1032d.c [2019-11-27 23:50:30,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6262e12d5/0f9d6eee58cf4933a3980b2b501c1a06/FLAGa8552066b [2019-11-27 23:50:30,573 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:50:30,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1032d.c [2019-11-27 23:50:30,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6262e12d5/0f9d6eee58cf4933a3980b2b501c1a06/FLAGa8552066b [2019-11-27 23:50:30,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6262e12d5/0f9d6eee58cf4933a3980b2b501c1a06 [2019-11-27 23:50:30,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:50:30,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:50:30,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:50:30,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:50:30,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:50:30,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:50:30" (1/1) ... [2019-11-27 23:50:30,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10100df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:30, skipping insertion in model container [2019-11-27 23:50:30,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:50:30" (1/1) ... [2019-11-27 23:50:30,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:50:30,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:50:31,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:50:31,208 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:50:31,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:50:31,327 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:50:31,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31 WrapperNode [2019-11-27 23:50:31,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:50:31,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:50:31,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:50:31,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:50:31,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:50:31,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:50:31,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:50:31,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:50:31,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (1/1) ... [2019-11-27 23:50:31,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:50:31,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:50:31,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:50:31,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:50:31,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (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 [2019-11-27 23:50:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:50:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:50:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:50:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:50:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:50:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:50:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:50:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:50:31,829 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:50:31,832 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-27 23:50:31,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:31 BoogieIcfgContainer [2019-11-27 23:50:31,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:50:31,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:50:31,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:50:31,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:50:31,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:50:30" (1/3) ... [2019-11-27 23:50:31,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bddb592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:50:31, skipping insertion in model container [2019-11-27 23:50:31,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:31" (2/3) ... [2019-11-27 23:50:31,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bddb592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:50:31, skipping insertion in model container [2019-11-27 23:50:31,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:31" (3/3) ... [2019-11-27 23:50:31,851 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032d.c [2019-11-27 23:50:31,862 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:50:31,876 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:50:31,886 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:50:31,906 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:50:31,907 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:50:31,907 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:50:31,907 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:50:31,908 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:50:31,908 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:50:31,908 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:50:31,908 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:50:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-27 23:50:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:50:31,928 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:31,929 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:31,929 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:31,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:31,934 INFO L82 PathProgramCache]: Analyzing trace with hash -592327338, now seen corresponding path program 1 times [2019-11-27 23:50:31,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:50:31,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862102377] [2019-11-27 23:50:31,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:50:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:32,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862102377] [2019-11-27 23:50:32,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:32,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:50:32,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726304485] [2019-11-27 23:50:32,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:50:32,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:50:32,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:50:32,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:50:32,079 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-11-27 23:50:32,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:50:32,102 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-27 23:50:32,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:50:32,104 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-27 23:50:32,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:50:32,117 INFO L225 Difference]: With dead ends: 46 [2019-11-27 23:50:32,117 INFO L226 Difference]: Without dead ends: 21 [2019-11-27 23:50:32,121 INFO L630 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 [2019-11-27 23:50:32,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-27 23:50:32,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-27 23:50:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-27 23:50:32,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-27 23:50:32,162 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2019-11-27 23:50:32,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:50:32,163 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-27 23:50:32,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:50:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-27 23:50:32,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 23:50:32,164 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:32,165 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:32,165 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:32,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:32,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1651159701, now seen corresponding path program 1 times [2019-11-27 23:50:32,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:50:32,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792389859] [2019-11-27 23:50:32,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:50:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:50:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:50:32,347 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:50:32,347 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:50:32,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:50:32 BoogieIcfgContainer [2019-11-27 23:50:32,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:50:32,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:50:32,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:50:32,376 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:50:32,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:31" (3/4) ... [2019-11-27 23:50:32,380 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:50:32,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:50:32,384 INFO L168 Benchmark]: Toolchain (without parser) took 1435.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:32,384 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:32,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:32,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:32,386 INFO L168 Benchmark]: Boogie Preprocessor took 36.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:32,387 INFO L168 Benchmark]: RCFGBuilder took 424.37 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:32,388 INFO L168 Benchmark]: TraceAbstraction took 538.84 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:32,389 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:32,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 424.37 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 538.84 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 78]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of bitwiseAnd at line 62. Possible FailurePath: [L73] float x = -1.0f / 0.0f; [L12] __uint32_t w; [L14] int exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L22] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L24] COND FALSE !(exponent_less_127 < 23) [L40] COND TRUE exponent_less_127 == 128 [L42] return x + x; [L74] float res = round_float(x); [L56] __int32_t ix; [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (ix) = gf_u.word [L62] ix &= 0x7fffffff [L63] return ((ix) == 0x7f800000L); [L77] COND TRUE !isinf_float(res) [L78] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 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=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-30f4e4a [2019-11-27 23:50:34,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:50:34,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:50:34,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:50:34,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:50:34,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:50:34,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:50:34,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:50:34,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:50:34,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:50:34,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:50:34,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:50:34,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:50:34,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:50:34,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:50:34,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:50:34,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:50:34,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:50:34,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:50:34,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:50:34,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:50:34,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:50:34,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:50:34,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:50:34,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:50:34,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:50:34,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:50:34,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:50:34,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:50:34,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:50:34,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:50:34,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:50:34,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:50:34,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:50:34,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:50:34,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:50:34,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:50:34,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:50:34,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:50:34,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:50:34,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:50:34,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:50:34,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:50:34,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:50:34,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:50:34,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:50:34,575 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:50:34,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:50:34,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:50:34,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:50:34,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:50:34,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:50:34,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:50:34,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:50:34,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:50:34,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:50:34,578 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:50:34,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:50:34,578 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:50:34,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:50:34,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:50:34,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:50:34,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:50:34,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:50:34,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:50:34,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:50:34,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:50:34,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:50:34,581 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:50:34,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:50:34,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:50:34,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:50:34,582 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 55e25fd47a6133e138b684ec17fad2c015ceccf7 [2019-11-27 23:50:34,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:50:34,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:50:34,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:50:34,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:50:34,908 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:50:34,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1032d.c [2019-11-27 23:50:34,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14256484a/99535e0c93e04988978ec982500c4ce3/FLAG7507cd66b [2019-11-27 23:50:35,457 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:50:35,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1032d.c [2019-11-27 23:50:35,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14256484a/99535e0c93e04988978ec982500c4ce3/FLAG7507cd66b [2019-11-27 23:50:35,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14256484a/99535e0c93e04988978ec982500c4ce3 [2019-11-27 23:50:35,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:50:35,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:50:35,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:50:35,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:50:35,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:50:35,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:50:35" (1/1) ... [2019-11-27 23:50:35,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfc87d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:35, skipping insertion in model container [2019-11-27 23:50:35,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:50:35" (1/1) ... [2019-11-27 23:50:35,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:50:35,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:50:36,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:50:36,102 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:50:36,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:50:36,223 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:50:36,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36 WrapperNode [2019-11-27 23:50:36,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:50:36,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:50:36,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:50:36,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:50:36,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:50:36,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:50:36,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:50:36,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:50:36,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (1/1) ... [2019-11-27 23:50:36,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:50:36,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:50:36,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:50:36,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:50:36,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (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 [2019-11-27 23:50:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:50:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-27 23:50:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:50:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:50:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:50:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-27 23:50:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:50:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:50:36,762 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:50:36,762 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-27 23:50:36,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:36 BoogieIcfgContainer [2019-11-27 23:50:36,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:50:36,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:50:36,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:50:36,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:50:36,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:50:35" (1/3) ... [2019-11-27 23:50:36,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36410df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:50:36, skipping insertion in model container [2019-11-27 23:50:36,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:36" (2/3) ... [2019-11-27 23:50:36,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36410df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:50:36, skipping insertion in model container [2019-11-27 23:50:36,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:36" (3/3) ... [2019-11-27 23:50:36,773 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032d.c [2019-11-27 23:50:36,783 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:50:36,791 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:50:36,805 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:50:36,832 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:50:36,832 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:50:36,832 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:50:36,833 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:50:36,833 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:50:36,833 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:50:36,833 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:50:36,833 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:50:36,856 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-27 23:50:36,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:50:36,863 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:36,864 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:36,865 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:36,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:36,872 INFO L82 PathProgramCache]: Analyzing trace with hash -592327338, now seen corresponding path program 1 times [2019-11-27 23:50:36,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:50:36,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161892957] [2019-11-27 23:50:36,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-27 23:50:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:36,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:50:36,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:50:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:37,002 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:50:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:37,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161892957] [2019-11-27 23:50:37,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:37,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:50:37,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044120028] [2019-11-27 23:50:37,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:50:37,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:50:37,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:50:37,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:50:37,031 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-11-27 23:50:37,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:50:37,048 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-27 23:50:37,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:50:37,049 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-27 23:50:37,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:50:37,059 INFO L225 Difference]: With dead ends: 46 [2019-11-27 23:50:37,059 INFO L226 Difference]: Without dead ends: 21 [2019-11-27 23:50:37,063 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:50:37,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-27 23:50:37,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-27 23:50:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-27 23:50:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-27 23:50:37,100 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2019-11-27 23:50:37,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:50:37,100 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-27 23:50:37,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:50:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-27 23:50:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 23:50:37,101 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:37,101 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:37,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:50:37,318 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:37,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:37,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1651159701, now seen corresponding path program 1 times [2019-11-27 23:50:37,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:50:37,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991410792] [2019-11-27 23:50:37,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-27 23:50:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:37,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-27 23:50:37,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:50:37,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:50:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:37,636 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:50:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:38,364 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991410792] [2019-11-27 23:50:38,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:38,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-11-27 23:50:38,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391289279] [2019-11-27 23:50:38,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-27 23:50:38,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:50:38,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-27 23:50:38,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2019-11-27 23:50:38,368 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 15 states. [2019-11-27 23:50:38,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:50:38,868 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2019-11-27 23:50:38,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-27 23:50:38,868 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2019-11-27 23:50:38,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:50:38,869 INFO L225 Difference]: With dead ends: 29 [2019-11-27 23:50:38,870 INFO L226 Difference]: Without dead ends: 20 [2019-11-27 23:50:38,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2019-11-27 23:50:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-27 23:50:38,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-27 23:50:38,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-27 23:50:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-27 23:50:38,876 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 14 [2019-11-27 23:50:38,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:50:38,877 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-27 23:50:38,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-27 23:50:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-27 23:50:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-27 23:50:38,878 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:38,879 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:39,090 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:50:39,091 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:39,092 INFO L82 PathProgramCache]: Analyzing trace with hash 842294842, now seen corresponding path program 1 times [2019-11-27 23:50:39,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:50:39,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521731762] [2019-11-27 23:50:39,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-27 23:50:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:39,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:50:39,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:50:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:39,261 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:50:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:39,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521731762] [2019-11-27 23:50:39,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:39,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:50:39,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158950609] [2019-11-27 23:50:39,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:50:39,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:50:39,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:50:39,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:50:39,394 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2019-11-27 23:50:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:50:39,533 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-11-27 23:50:39,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:50:39,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-11-27 23:50:39,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:50:39,534 INFO L225 Difference]: With dead ends: 20 [2019-11-27 23:50:39,534 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:50:39,535 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:50:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:50:39,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:50:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:50:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:50:39,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-27 23:50:39,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:50:39,537 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:50:39,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:50:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:50:39,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:50:39,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:50:39,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:50:39,910 INFO L246 CegarLoopResult]: For program point L27(lines 27 29) no Hoare annotation was computed. [2019-11-27 23:50:39,910 INFO L246 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-11-27 23:50:39,911 INFO L246 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-11-27 23:50:39,911 INFO L246 CegarLoopResult]: For program point L32(lines 32 34) no Hoare annotation was computed. [2019-11-27 23:50:39,911 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:50:39,912 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:50:39,912 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:50:39,912 INFO L246 CegarLoopResult]: For program point L24(lines 24 45) no Hoare annotation was computed. [2019-11-27 23:50:39,912 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2019-11-27 23:50:39,912 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 78) no Hoare annotation was computed. [2019-11-27 23:50:39,913 INFO L242 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_round_float_#res|) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_round_float_~x) (= .cse0 ULTIMATE.start_isinf_float_~x) (= currentRoundingMode roundNearestTiesToEven))) [2019-11-27 23:50:39,913 INFO L246 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2019-11-27 23:50:39,914 INFO L249 CegarLoopResult]: At program point L82(lines 65 83) the Hoare annotation is: true [2019-11-27 23:50:39,914 INFO L246 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-11-27 23:50:39,914 INFO L242 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_round_float_~x)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:50:39,915 INFO L246 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2019-11-27 23:50:39,915 INFO L246 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-11-27 23:50:39,915 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:50:39,915 INFO L246 CegarLoopResult]: For program point L25(lines 25 38) no Hoare annotation was computed. [2019-11-27 23:50:39,915 INFO L246 CegarLoopResult]: For program point L46(lines 46 50) no Hoare annotation was computed. [2019-11-27 23:50:39,916 INFO L246 CegarLoopResult]: For program point L46-1(lines 11 52) no Hoare annotation was computed. [2019-11-27 23:50:39,916 INFO L246 CegarLoopResult]: For program point L46-2(lines 46 50) no Hoare annotation was computed. [2019-11-27 23:50:39,916 INFO L242 CegarLoopResult]: At program point L63(lines 55 64) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32)) (= .cse0 |ULTIMATE.start_round_float_#res|) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_round_float_~x) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= .cse0 ULTIMATE.start_isinf_float_~x) (= currentRoundingMode roundNearestTiesToEven))) [2019-11-27 23:50:39,917 INFO L242 CegarLoopResult]: At program point L51(lines 11 52) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_round_float_#res|) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_round_float_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:50:39,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,969 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,969 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,969 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:50:39,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:50:39,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:50:39,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:50:39,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:39,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:39,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:50:39 BoogieIcfgContainer [2019-11-27 23:50:39,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:50:39,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:50:39,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:50:39,984 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:50:39,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:36" (3/4) ... [2019-11-27 23:50:39,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:50:40,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-27 23:50:40,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-27 23:50:40,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:50:40,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:50:40,043 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:50:40,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:50:40,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32 && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:50:40,092 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:50:40,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:50:40,095 INFO L168 Benchmark]: Toolchain (without parser) took 4264.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 955.0 MB in the beginning and 939.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 129.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:40,096 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:40,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:40,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:40,098 INFO L168 Benchmark]: Boogie Preprocessor took 44.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:40,098 INFO L168 Benchmark]: RCFGBuilder took 449.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:40,099 INFO L168 Benchmark]: TraceAbstraction took 3218.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.7 MB in the end (delta: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:40,099 INFO L168 Benchmark]: Witness Printer took 109.19 ms. Allocated memory is still 1.1 GB. Free memory was 946.7 MB in the beginning and 939.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:40,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 449.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3218.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.7 MB in the end (delta: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 11.5 GB. * Witness Printer took 109.19 ms. Allocated memory is still 1.1 GB. Free memory was 946.7 MB in the beginning and 939.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 78]: 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: 55]: Loop Invariant [2019-11-27 23:50:40,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,127 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,127 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,127 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32 && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 57]: Loop Invariant [2019-11-27 23:50:40,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2019-11-27 23:50:40,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant [2019-11-27 23:50:40,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:50:40,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:50:40,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:50:40,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:50:40,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:50:40,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:50:40,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 47 SDtfs, 56 SDslu, 141 SDs, 0 SdLazy, 71 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 156 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 82 ConstructedInterpolants, 12 QuantifiedInterpolants, 6769 SizeOfPredicates, 19 NumberOfNonLiveVariables, 123 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...