./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0832a.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bef213e800d9f1856c750fa5b59ba443e11e7ea ..................................................................................................................................................................................................................................................................................................................... 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0832a.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bef213e800d9f1856c750fa5b59ba443e11e7ea ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:56:27,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:56:27,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:56:27,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:56:27,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:56:27,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:56:27,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:56:27,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:56:27,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:56:27,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:56:27,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:56:27,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:56:27,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:56:27,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:56:27,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:56:27,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:56:27,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:56:27,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:56:27,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:56:27,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:56:27,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:56:27,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:56:27,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:56:27,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:56:27,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:56:27,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:56:27,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:56:27,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:56:27,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:56:27,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:56:27,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:56:27,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:56:27,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:56:27,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:56:27,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:56:27,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:56:27,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:56:27,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:56:27,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:56:27,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:56:27,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:56:27,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:56:27,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:56:27,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:56:27,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:56:27,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:56:27,524 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:56:27,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:56:27,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:56:27,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:56:27,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:56:27,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:56:27,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:56:27,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:56:27,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:56:27,529 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:56:27,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:56:27,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:56:27,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:56:27,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:56:27,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:56:27,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:56:27,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:56:27,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:56:27,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:56:27,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:56:27,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:56:27,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:56:27,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:56:27,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:56:27,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:56:27,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bef213e800d9f1856c750fa5b59ba443e11e7ea [2020-12-02 15:56:27,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:56:28,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:56:28,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:56:28,068 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:56:28,070 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:56:28,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c [2020-12-02 15:56:28,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98dc458b4/ac21714a8482437a98de440c440db5ff/FLAG736fba55c [2020-12-02 15:56:28,934 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:56:28,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c [2020-12-02 15:56:28,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98dc458b4/ac21714a8482437a98de440c440db5ff/FLAG736fba55c [2020-12-02 15:56:29,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98dc458b4/ac21714a8482437a98de440c440db5ff [2020-12-02 15:56:29,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:56:29,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:56:29,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:56:29,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:56:29,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:56:29,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c14f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29, skipping insertion in model container [2020-12-02 15:56:29,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,330 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:56:29,402 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:56:29,649 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c[3180,3193] [2020-12-02 15:56:29,655 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:56:29,668 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:56:29,746 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c[3180,3193] [2020-12-02 15:56:29,757 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:56:29,789 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:56:29,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29 WrapperNode [2020-12-02 15:56:29,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:56:29,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:56:29,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:56:29,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:56:29,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:56:29,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:56:29,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:56:29,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:56:29,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (1/1) ... [2020-12-02 15:56:29,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:56:29,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:56:29,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:56:29,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:56:29,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (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 [2020-12-02 15:56:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:56:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:56:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:56:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:56:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:56:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:56:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:56:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:56:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-02 15:56:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:56:30,882 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:56:30,882 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-02 15:56:30,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:30 BoogieIcfgContainer [2020-12-02 15:56:30,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:56:30,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:56:30,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:56:30,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:56:30,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:56:29" (1/3) ... [2020-12-02 15:56:30,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222d054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:30, skipping insertion in model container [2020-12-02 15:56:30,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:29" (2/3) ... [2020-12-02 15:56:30,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222d054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:30, skipping insertion in model container [2020-12-02 15:56:30,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:30" (3/3) ... [2020-12-02 15:56:30,900 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a.c [2020-12-02 15:56:30,924 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:56:30,932 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:56:30,951 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:56:30,993 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:56:30,993 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:56:30,994 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:56:30,994 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:56:30,994 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:56:30,994 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:56:30,994 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:56:30,994 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:56:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-12-02 15:56:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-02 15:56:31,021 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:56:31,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:56:31,022 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:56:31,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:56:31,042 INFO L82 PathProgramCache]: Analyzing trace with hash 354246130, now seen corresponding path program 1 times [2020-12-02 15:56:31,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:56:31,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261644760] [2020-12-02 15:56:31,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:56:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:56:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:56:31,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261644760] [2020-12-02 15:56:31,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:56:31,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:56:31,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101971541] [2020-12-02 15:56:31,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:56:31,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:56:31,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:56:31,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:56:31,309 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2020-12-02 15:56:31,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:56:31,347 INFO L93 Difference]: Finished difference Result 70 states and 112 transitions. [2020-12-02 15:56:31,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:56:31,351 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-02 15:56:31,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:56:31,382 INFO L225 Difference]: With dead ends: 70 [2020-12-02 15:56:31,383 INFO L226 Difference]: Without dead ends: 33 [2020-12-02 15:56:31,389 INFO L677 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 [2020-12-02 15:56:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-02 15:56:31,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-02 15:56:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-02 15:56:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2020-12-02 15:56:31,449 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 8 [2020-12-02 15:56:31,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:56:31,450 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2020-12-02 15:56:31,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:56:31,450 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-12-02 15:56:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 15:56:31,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:56:31,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:56:31,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:56:31,452 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:56:31,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:56:31,453 INFO L82 PathProgramCache]: Analyzing trace with hash 325000437, now seen corresponding path program 1 times [2020-12-02 15:56:31,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:56:31,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184419920] [2020-12-02 15:56:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:56:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:56:31,518 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:56:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:56:31,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:56:31,631 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:56:31,631 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:56:31,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:56:31,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:56:31 BoogieIcfgContainer [2020-12-02 15:56:31,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:56:31,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:56:31,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:56:31,692 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:56:31,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:30" (3/4) ... [2020-12-02 15:56:31,699 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:56:31,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:56:31,702 INFO L168 Benchmark]: Toolchain (without parser) took 2428.98 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.3 MB in the beginning and 35.3 MB in the end (delta: -14.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:56:31,703 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 44.0 MB. Free memory was 26.9 MB in the beginning and 26.8 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:56:31,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.22 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 38.3 MB in the end (delta: -17.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:56:31,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.69 ms. Allocated memory is still 54.5 MB. Free memory was 38.3 MB in the beginning and 36.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:56:31,706 INFO L168 Benchmark]: Boogie Preprocessor took 57.97 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 34.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:56:31,707 INFO L168 Benchmark]: RCFGBuilder took 963.62 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 26.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:56:31,708 INFO L168 Benchmark]: TraceAbstraction took 801.52 ms. Allocated memory is still 54.5 MB. Free memory was 25.7 MB in the beginning and 35.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:56:31,709 INFO L168 Benchmark]: Witness Printer took 7.62 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 35.3 MB in the end (delta: 383.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:56:31,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 44.0 MB. Free memory was 26.9 MB in the beginning and 26.8 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.22 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 38.3 MB in the end (delta: -17.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.69 ms. Allocated memory is still 54.5 MB. Free memory was 38.3 MB in the beginning and 36.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.97 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 34.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 963.62 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 26.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 801.52 ms. Allocated memory is still 54.5 MB. Free memory was 25.7 MB in the beginning and 35.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Witness Printer took 7.62 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 35.3 MB in the end (delta: 383.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 124]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 21, overapproximation of bitwiseAnd at line 48, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 123, overapproximation of someBinaryArithmeticFLOAT_SMToperation at line 52. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L119] float x = 0.0f; [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L44] ieee_float_shape_type gf_u; [L45] gf_u.value = (x) [L46] EXPR gf_u.word [L46] (sx) = gf_u.word [L48] xsb = (sx >> 31) & 1 [L49] hx = sx & 0x7fffffff VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L51] COND TRUE ((hx) > 0x7f800000L) [L52] return x + x; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L120] float res = __ieee754_expf(x); [L123] COND TRUE res != 1.0f VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L124] reach_error() VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 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=36occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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, ACCELERATED_INTERPOLATION: 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 0.2.0-2880296 [2020-12-02 15:56:34,743 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-12-02 15:56:34,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:56:34,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:56:34,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:56:34,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:56:34,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:56:34,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:56:34,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:56:34,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:56:34,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:56:34,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:56:34,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:56:34,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:56:34,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:56:34,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:56:34,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:56:34,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:56:34,871 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:56:34,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:56:34,872 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:56:34,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:56:34,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:56:34,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:56:34,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:56:34,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:56:34,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:56:34,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:56:34,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:56:34,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:56:34,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:56:34,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:56:34,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:56:34,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:56:34,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:56:34,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:56:34,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:56:34,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:56:34,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:56:34,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:56:34,878 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:56:34,878 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:56:34,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:56:34,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:56:34,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:56:34,879 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bef213e800d9f1856c750fa5b59ba443e11e7ea [2020-12-02 15:56:35,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:56:35,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:56:35,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:56:35,550 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:56:35,551 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:56:35,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c [2020-12-02 15:56:35,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bca2ee0/b59bb6f0930f4ca88113c913c8e72c1a/FLAG2d2086cfc [2020-12-02 15:56:36,701 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:56:36,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c [2020-12-02 15:56:36,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bca2ee0/b59bb6f0930f4ca88113c913c8e72c1a/FLAG2d2086cfc [2020-12-02 15:56:36,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bca2ee0/b59bb6f0930f4ca88113c913c8e72c1a [2020-12-02 15:56:36,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:56:36,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:56:36,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:56:36,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:56:36,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:56:36,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:36" (1/1) ... [2020-12-02 15:56:36,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21321561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:36, skipping insertion in model container [2020-12-02 15:56:36,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:36" (1/1) ... [2020-12-02 15:56:36,791 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:56:36,814 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:56:37,110 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c[3180,3193] [2020-12-02 15:56:37,113 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:56:37,145 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:56:37,209 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0832a.c[3180,3193] [2020-12-02 15:56:37,212 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:56:37,276 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:56:37,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37 WrapperNode [2020-12-02 15:56:37,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:56:37,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:56:37,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:56:37,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:56:37,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:56:37,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:56:37,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:56:37,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:56:37,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (1/1) ... [2020-12-02 15:56:37,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:56:37,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:56:37,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:56:37,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:56:37,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (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 [2020-12-02 15:56:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:56:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-02 15:56:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:56:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:56:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 15:56:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:56:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:56:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:56:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 15:56:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 15:56:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:56:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:56:51,356 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:56:51,357 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-02 15:56:51,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:51 BoogieIcfgContainer [2020-12-02 15:56:51,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:56:51,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:56:51,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:56:51,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:56:51,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:56:36" (1/3) ... [2020-12-02 15:56:51,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7749260d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:51, skipping insertion in model container [2020-12-02 15:56:51,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:37" (2/3) ... [2020-12-02 15:56:51,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7749260d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:51, skipping insertion in model container [2020-12-02 15:56:51,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:51" (3/3) ... [2020-12-02 15:56:51,374 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a.c [2020-12-02 15:56:51,396 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:56:51,403 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:56:51,421 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:56:51,461 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:56:51,461 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:56:51,462 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:56:51,462 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:56:51,462 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:56:51,462 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:56:51,463 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:56:51,463 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:56:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-12-02 15:56:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-02 15:56:51,491 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:56:51,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:56:51,493 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:56:51,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:56:51,503 INFO L82 PathProgramCache]: Analyzing trace with hash 354246130, now seen corresponding path program 1 times [2020-12-02 15:56:51,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:56:51,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672950445] [2020-12-02 15:56:51,526 INFO L95 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 [2020-12-02 15:56:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:56:52,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:56:52,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:56:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:56:52,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:56:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:56:52,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672950445] [2020-12-02 15:56:52,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:56:52,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:56:52,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304690212] [2020-12-02 15:56:52,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:56:52,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:56:52,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:56:52,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:56:52,616 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2020-12-02 15:56:52,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:56:52,647 INFO L93 Difference]: Finished difference Result 70 states and 112 transitions. [2020-12-02 15:56:52,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:56:52,648 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-02 15:56:52,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:56:52,660 INFO L225 Difference]: With dead ends: 70 [2020-12-02 15:56:52,660 INFO L226 Difference]: Without dead ends: 33 [2020-12-02 15:56:52,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:56:52,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-02 15:56:52,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-02 15:56:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-02 15:56:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2020-12-02 15:56:52,715 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 8 [2020-12-02 15:56:52,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:56:52,715 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2020-12-02 15:56:52,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:56:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-12-02 15:56:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 15:56:52,717 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:56:52,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:56:52,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:56:52,931 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:56:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:56:52,934 INFO L82 PathProgramCache]: Analyzing trace with hash 325000437, now seen corresponding path program 1 times [2020-12-02 15:56:52,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:56:52,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276402903] [2020-12-02 15:56:52,936 INFO L95 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 [2020-12-02 15:56:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:56:53,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-02 15:56:53,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:56:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:56:53,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:56:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:56:54,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276402903] [2020-12-02 15:56:54,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:56:54,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-02 15:56:54,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600860527] [2020-12-02 15:56:54,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 15:56:54,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:56:54,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 15:56:54,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-02 15:56:54,162 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 8 states. [2020-12-02 15:57:05,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:57:05,355 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2020-12-02 15:57:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 15:57:05,412 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2020-12-02 15:57:05,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:57:05,413 INFO L225 Difference]: With dead ends: 54 [2020-12-02 15:57:05,413 INFO L226 Difference]: Without dead ends: 33 [2020-12-02 15:57:05,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-02 15:57:05,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-02 15:57:05,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2020-12-02 15:57:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-02 15:57:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-12-02 15:57:05,421 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 9 [2020-12-02 15:57:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:57:05,421 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-12-02 15:57:05,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 15:57:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-12-02 15:57:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 15:57:05,422 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:57:05,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:57:05,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:57:05,635 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:57:05,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:57:05,637 INFO L82 PathProgramCache]: Analyzing trace with hash -239562945, now seen corresponding path program 1 times [2020-12-02 15:57:05,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:57:05,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150475892] [2020-12-02 15:57:05,638 INFO L95 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 [2020-12-02 15:57:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:57:06,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:57:06,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:57:07,334 WARN L197 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 15:57:08,285 WARN L197 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 15:57:11,282 WARN L197 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 35 [2020-12-02 15:57:14,914 WARN L197 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 40 [2020-12-02 15:57:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:57:14,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:57:21,736 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 15:57:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:57:25,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150475892] [2020-12-02 15:57:25,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:57:25,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:57:25,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948165915] [2020-12-02 15:57:25,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-02 15:57:25,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:57:25,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-02 15:57:25,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-02 15:57:25,046 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 10 states. [2020-12-02 15:57:42,420 WARN L197 SmtUtils]: Spent 8.65 s on a formula simplification that was a NOOP. DAG size: 37 [2020-12-02 15:57:46,158 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ +zero 8 24) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_expf_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_expf_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_expf_~x))) (exists ((~one_exp~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_expf_~x (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~x))) (.cse1 (fp ((_ extract 31 31) ~one_exp~0) ((_ extract 30 23) ~one_exp~0) ((_ extract 22 0) ~one_exp~0))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|)))) (and (= (_ +zero 8 24) .cse0) (= (fp.add c_~CRM .cse1 .cse0) (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_expf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_expf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_expf_#res|))) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse2) (= .cse1 ((_ to_fp 8 24) c_~CRM .cse2))))) (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3) (= (fp ((_ extract 31 31) c_~one_exp~0) ((_ extract 30 23) c_~one_exp~0) ((_ extract 22 0) c_~one_exp~0)) ((_ to_fp 8 24) c_~CRM .cse3))))) (= (fp ((_ extract 31 31) |c_ULTIMATE.start_main_#t~nondet87|) ((_ extract 30 23) |c_ULTIMATE.start_main_#t~nondet87|) ((_ extract 22 0) |c_ULTIMATE.start_main_#t~nondet87|)) ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (exists ((~one_exp~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_expf_~x (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|))) (.cse6 (fp ((_ extract 31 31) ~one_exp~0) ((_ extract 30 23) ~one_exp~0) ((_ extract 22 0) ~one_exp~0))) (.cse4 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~x)))) (and (= (_ +zero 8 24) .cse4) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5) (= .cse6 ((_ to_fp 8 24) roundNearestTiesToEven .cse5)) (= (fp ((_ extract 31 31) c_ULTIMATE.start_main_~res~0) ((_ extract 30 23) c_ULTIMATE.start_main_~res~0) ((_ extract 22 0) c_ULTIMATE.start_main_~res~0)) (fp.add roundNearestTiesToEven .cse6 .cse4)))))) is different from false [2020-12-02 15:58:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:58:02,968 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-12-02 15:58:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:58:02,969 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-12-02 15:58:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:58:02,971 INFO L225 Difference]: With dead ends: 33 [2020-12-02 15:58:02,971 INFO L226 Difference]: Without dead ends: 29 [2020-12-02 15:58:02,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 32.5s TimeCoverageRelationStatistics Valid=33, Invalid=80, Unknown=1, NotChecked=18, Total=132 [2020-12-02 15:58:02,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-02 15:58:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-02 15:58:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-02 15:58:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-12-02 15:58:02,978 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 15 [2020-12-02 15:58:02,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:58:02,978 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-12-02 15:58:02,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-02 15:58:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-12-02 15:58:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 15:58:02,979 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:58:02,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:58:03,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:58:03,194 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:58:03,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:58:03,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1708303706, now seen corresponding path program 1 times [2020-12-02 15:58:03,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:58:03,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006758615] [2020-12-02 15:58:03,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 15:58:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:58:04,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:58:04,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:58:09,799 WARN L197 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 38 [2020-12-02 15:58:14,575 WARN L197 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 45 [2020-12-02 15:58:22,428 WARN L197 SmtUtils]: Spent 4.14 s on a formula simplification that was a NOOP. DAG size: 50 [2020-12-02 15:58:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:58:22,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:58:29,994 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 15:58:32,459 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~x~0_6 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_expf_#t~nondet48_13| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~x~0_6) ((_ extract 30 23) v_ULTIMATE.start_main_~x~0_6) ((_ extract 22 0) v_ULTIMATE.start_main_~x~0_6))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_expf_#t~nondet48_13|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_expf_#t~nondet48_13|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_expf_#t~nondet48_13|)))) (or (not (= .cse0 (_ +zero 8 24))) (not (= (fp.add c_~CRM (fp ((_ extract 31 31) c_~huge_exp~0) ((_ extract 30 23) c_~huge_exp~0) ((_ extract 22 0) c_~huge_exp~0)) .cse0) .cse1)) (fp.gt .cse1 (fp ((_ extract 31 31) c_~one_exp~0) ((_ extract 30 23) c_~one_exp~0) ((_ extract 22 0) c_~one_exp~0)))))) is different from false [2020-12-02 15:58:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:58:32,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006758615] [2020-12-02 15:58:32,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:58:32,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 15:58:32,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270267198] [2020-12-02 15:58:32,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 15:58:32,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:58:32,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 15:58:32,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2020-12-02 15:58:32,545 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 8 states. [2020-12-02 15:58:40,245 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7|)))) (and (= .cse0 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp ((_ extract 31 31) c_~one_exp~0) ((_ extract 30 23) c_~one_exp~0) ((_ extract 22 0) c_~one_exp~0)) ((_ to_fp 8 24) c_~CRM .cse0))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6|)))) (and (= ((_ to_fp 11 53) c_~CRM 1000000000000000000000000000000.0) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_~huge_exp~0) ((_ extract 30 23) c_~huge_exp~0) ((_ extract 22 0) c_~huge_exp~0)))))) (forall ((v_ULTIMATE.start_main_~x~0_6 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_expf_#t~nondet48_13| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~x~0_6) ((_ extract 30 23) v_ULTIMATE.start_main_~x~0_6) ((_ extract 22 0) v_ULTIMATE.start_main_~x~0_6))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_expf_#t~nondet48_13|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_expf_#t~nondet48_13|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_expf_#t~nondet48_13|)))) (or (not (= .cse2 (_ +zero 8 24))) (not (= (fp.add c_~CRM (fp ((_ extract 31 31) c_~huge_exp~0) ((_ extract 30 23) c_~huge_exp~0) ((_ extract 22 0) c_~huge_exp~0)) .cse2) .cse3)) (fp.gt .cse3 (fp ((_ extract 31 31) c_~one_exp~0) ((_ extract 30 23) c_~one_exp~0) ((_ extract 22 0) c_~one_exp~0))))))) is different from false [2020-12-02 15:59:00,074 WARN L197 SmtUtils]: Spent 15.38 s on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-02 15:59:00,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:59:00,077 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2020-12-02 15:59:00,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 15:59:00,077 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-12-02 15:59:00,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:59:00,078 INFO L225 Difference]: With dead ends: 29 [2020-12-02 15:59:00,078 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:59:00,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 47.2s TimeCoverageRelationStatistics Valid=25, Invalid=37, Unknown=2, NotChecked=26, Total=90 [2020-12-02 15:59:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:59:00,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:59:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:59:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:59:00,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-12-02 15:59:00,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:59:00,080 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:59:00,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 15:59:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:59:00,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:59:00,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:59:00,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:59:10,280 WARN L197 SmtUtils]: Spent 9.89 s on a formula simplification that was a NOOP. DAG size: 37 [2020-12-02 15:59:20,406 WARN L197 SmtUtils]: Spent 10.13 s on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-12-02 15:59:20,436 INFO L262 CegarLoopResult]: For program point L60(lines 60 75) no Hoare annotation was computed. [2020-12-02 15:59:20,436 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:59:20,436 INFO L262 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2020-12-02 15:59:20,436 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:59:20,437 INFO L262 CegarLoopResult]: For program point L61-2(lines 61 70) no Hoare annotation was computed. [2020-12-02 15:59:20,437 INFO L262 CegarLoopResult]: For program point L53(lines 53 54) no Hoare annotation was computed. [2020-12-02 15:59:20,437 INFO L262 CegarLoopResult]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2020-12-02 15:59:20,437 INFO L258 CegarLoopResult]: At program point L86-2(lines 86 90) the Hoare annotation is: false [2020-12-02 15:59:20,437 INFO L265 CegarLoopResult]: At program point L128(lines 113 129) the Hoare annotation is: true [2020-12-02 15:59:20,438 INFO L262 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-12-02 15:59:20,438 INFO L262 CegarLoopResult]: For program point L54-2(line 54) no Hoare annotation was computed. [2020-12-02 15:59:20,438 INFO L262 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-12-02 15:59:20,438 INFO L262 CegarLoopResult]: For program point L104-1(lines 97 110) no Hoare annotation was computed. [2020-12-02 15:59:20,439 INFO L262 CegarLoopResult]: For program point L104-2(lines 104 108) no Hoare annotation was computed. [2020-12-02 15:59:20,439 INFO L262 CegarLoopResult]: For program point L55(lines 55 56) no Hoare annotation was computed. [2020-12-02 15:59:20,439 INFO L262 CegarLoopResult]: For program point L80(lines 80 83) no Hoare annotation was computed. [2020-12-02 15:59:20,439 INFO L262 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-12-02 15:59:20,440 INFO L262 CegarLoopResult]: For program point L72-2(lines 60 75) no Hoare annotation was computed. [2020-12-02 15:59:20,440 INFO L262 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-12-02 15:59:20,440 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:59:20,440 INFO L262 CegarLoopResult]: For program point L123(lines 123 126) no Hoare annotation was computed. [2020-12-02 15:59:20,440 INFO L262 CegarLoopResult]: For program point L57(lines 57 58) no Hoare annotation was computed. [2020-12-02 15:59:20,441 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-12-02 15:59:20,441 INFO L262 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-12-02 15:59:20,441 INFO L258 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-12-02 15:59:20,441 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:59:20,442 INFO L262 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-12-02 15:59:20,442 INFO L262 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-12-02 15:59:20,442 INFO L262 CegarLoopResult]: For program point L91-1(lines 84 97) no Hoare annotation was computed. [2020-12-02 15:59:20,442 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 95) no Hoare annotation was computed. [2020-12-02 15:59:20,442 INFO L262 CegarLoopResult]: For program point L84(lines 84 110) no Hoare annotation was computed. [2020-12-02 15:59:20,443 INFO L262 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-12-02 15:59:20,443 INFO L258 CegarLoopResult]: At program point L109(lines 38 111) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~x))) (exists ((~one_exp~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_expf_~x (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~x))) (.cse1 (fp ((_ extract 31 31) ~one_exp~0) ((_ extract 30 23) ~one_exp~0) ((_ extract 22 0) ~one_exp~0))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|)))) (and (= (_ +zero 8 24) .cse0) (= (fp.add ~CRM .cse1 .cse0) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_#res|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_#res|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_#res|))) (= ((_ to_fp 11 53) ~CRM 1.0) .cse2) (= .cse1 ((_ to_fp 8 24) ~CRM .cse2))))) (= roundNearestTiesToEven ~CRM) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|)))) (and (= ((_ to_fp 11 53) ~CRM 1.0) .cse3) (= (fp ((_ extract 31 31) ~one_exp~0) ((_ extract 30 23) ~one_exp~0) ((_ extract 22 0) ~one_exp~0)) ((_ to_fp 8 24) ~CRM .cse3)))))) [2020-12-02 15:59:20,444 INFO L262 CegarLoopResult]: For program point L43-1(lines 43 47) no Hoare annotation was computed. [2020-12-02 15:59:20,444 INFO L258 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~x))) (= roundNearestTiesToEven ~CRM) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp ((_ extract 31 31) ~one_exp~0) ((_ extract 30 23) ~one_exp~0) ((_ extract 22 0) ~one_exp~0)) ((_ to_fp 8 24) ~CRM .cse0))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6|)))) (and (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000.0) .cse1) (= ((_ to_fp 8 24) ~CRM .cse1) (fp ((_ extract 31 31) ~huge_exp~0) ((_ extract 30 23) ~huge_exp~0) ((_ extract 22 0) ~huge_exp~0))))))) [2020-12-02 15:59:20,445 INFO L262 CegarLoopResult]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2020-12-02 15:59:20,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:59:20,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,479 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,479 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,486 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,486 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:59:20,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:59:20,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:59:20,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,516 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:59:20 BoogieIcfgContainer [2020-12-02 15:59:20,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:59:20,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:59:20,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:59:20,523 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:59:20,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:51" (3/4) ... [2020-12-02 15:59:20,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 15:59:20,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-02 15:59:20,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-02 15:59:20,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:59:20,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:59:20,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7 : bv64 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[51:0]) == ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0) && ~fp~LONGDOUBLE(one_exp[31:31], one_exp[30:23], one_exp[22:0]) == ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[51:0])))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[51:0])) == ~fp~LONGDOUBLE(huge_exp[31:31], huge_exp[30:23], huge_exp[22:0])) [2020-12-02 15:59:20,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) && (\exists ~one_exp~0 : bv32, ULTIMATE.start___ieee754_expf_~x : bv32, v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~x[31:31], ULTIMATE.start___ieee754_expf_~x[30:23], ULTIMATE.start___ieee754_expf_~x[22:0]) && ~fp.add~FLOAT(unknown-~CRM-unknown, ~fp~LONGDOUBLE(~one_exp~0[31:31], ~one_exp~0[30:23], ~one_exp~0[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~x[31:31], ULTIMATE.start___ieee754_expf_~x[30:23], ULTIMATE.start___ieee754_expf_~x[22:0])) == ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) && ~fp~LONGDOUBLE(~one_exp~0[31:31], ~one_exp~0[30:23], ~one_exp~0[22:0]) == ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])))) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~fp~LONGDOUBLE(one_exp[31:31], one_exp[30:23], one_exp[22:0]) == ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]))) [2020-12-02 15:59:20,856 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:59:20,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:59:20,858 INFO L168 Benchmark]: Toolchain (without parser) took 164092.65 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.9 MB in the beginning and 30.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:59:20,859 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 35.7 MB. Free memory was 17.9 MB in the beginning and 17.9 MB in the end (delta: 24.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:59:20,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.03 ms. Allocated memory is still 50.3 MB. Free memory was 26.8 MB in the beginning and 23.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:59:20,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.26 ms. Allocated memory is still 50.3 MB. Free memory was 23.1 MB in the beginning and 31.5 MB in the end (delta: -8.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:59:20,862 INFO L168 Benchmark]: Boogie Preprocessor took 91.17 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 28.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:59:20,862 INFO L168 Benchmark]: RCFGBuilder took 13888.77 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 33.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:59:20,863 INFO L168 Benchmark]: TraceAbstraction took 149158.46 ms. Allocated memory is still 65.0 MB. Free memory was 33.0 MB in the beginning and 43.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:59:20,864 INFO L168 Benchmark]: Witness Printer took 335.23 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 30.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:59:20,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 35.7 MB. Free memory was 17.9 MB in the beginning and 17.9 MB in the end (delta: 24.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 513.03 ms. Allocated memory is still 50.3 MB. Free memory was 26.8 MB in the beginning and 23.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.26 ms. Allocated memory is still 50.3 MB. Free memory was 23.1 MB in the beginning and 31.5 MB in the end (delta: -8.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.17 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 28.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13888.77 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 33.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 149158.46 ms. Allocated memory is still 65.0 MB. Free memory was 33.0 MB in the beginning and 43.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Witness Printer took 335.23 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 30.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant [2020-12-02 15:59:20,902 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,902 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:59:20,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~x,QUANTIFIED] [2020-12-02 15:59:20,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~one_exp~0,QUANTIFIED] [2020-12-02 15:59:20,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:59:20,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 15:59:20,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] Derived loop invariant: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) && (\exists ~one_exp~0 : bv32, ULTIMATE.start___ieee754_expf_~x : bv32, v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~x[31:31], ULTIMATE.start___ieee754_expf_~x[30:23], ULTIMATE.start___ieee754_expf_~x[22:0]) && ~fp.add~FLOAT(unknown-~CRM-unknown, ~fp~LONGDOUBLE(~one_exp~0[31:31], ~one_exp~0[30:23], ~one_exp~0[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~x[31:31], ULTIMATE.start___ieee754_expf_~x[30:23], ULTIMATE.start___ieee754_expf_~x[22:0])) == ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) && ~fp~LONGDOUBLE(~one_exp~0[31:31], ~one_exp~0[30:23], ~one_exp~0[22:0]) == ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])))) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~fp~LONGDOUBLE(one_exp[31:31], one_exp[30:23], one_exp[22:0]) == ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]))) - InvariantResult [Line: 43]: Loop Invariant [2020-12-02 15:59:20,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:59:20,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:59:20,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7,QUANTIFIED] [2020-12-02 15:59:20,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] [2020-12-02 15:59:20,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6,QUANTIFIED] Derived loop invariant: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7 : bv64 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[51:0]) == ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0) && ~fp~LONGDOUBLE(one_exp[31:31], one_exp[30:23], one_exp[22:0]) == ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_7[51:0])))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet11_6[51:0])) == ~fp~LONGDOUBLE(huge_exp[31:31], huge_exp[30:23], huge_exp[22:0])) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 128.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 76.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 91 SDslu, 188 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 41.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 80.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 182 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 20.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 46.8s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 90 ConstructedInterpolants, 47 QuantifiedInterpolants, 38586 SizeOfPredicates, 18 NumberOfNonLiveVariables, 381 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...