./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0930.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc 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 ../sv-benchmarks/c/float-newlib/float_req_bl_0930.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 68ec6db07696364982a927374298598825d0f6ca ................................................................................................................................................................................................................................................................................................... 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 ../sv-benchmarks/c/float-newlib/float_req_bl_0930.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 68ec6db07696364982a927374298598825d0f6ca .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:24:00,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:24:00,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:24:00,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:24:00,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:24:00,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:24:00,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:24:00,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:24:00,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:24:00,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:24:00,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:24:00,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:24:00,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:24:00,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:24:00,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:24:00,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:24:00,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:24:00,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:24:00,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:24:00,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:24:00,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:24:00,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:24:00,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:24:00,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:24:00,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:24:00,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:24:00,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:24:00,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:24:00,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:24:00,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:24:00,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:24:00,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:24:00,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:24:00,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:24:00,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:24:00,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:24:00,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:24:00,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:24:00,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:24:00,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:24:00,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:24:00,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:24:00,455 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:24:00,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:24:00,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:24:00,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:24:00,460 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:24:00,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:24:00,460 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:24:00,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:24:00,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:24:00,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:24:00,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:24:00,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:24:00,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:24:00,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:24:00,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:24:00,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:24:00,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:24:00,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:24:00,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:24:00,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:24:00,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:24:00,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:24:00,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:24:00,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:24:00,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:24:00,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:24:00,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:24:00,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:24:00,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:24:00,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68ec6db07696364982a927374298598825d0f6ca [2020-10-24 23:24:00,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:24:00,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:24:00,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:24:00,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:24:00,920 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:24:00,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2020-10-24 23:24:01,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6dfe69f/c61357fbb78a4a0ba48370812179a39c/FLAGe04650aa8 [2020-10-24 23:24:01,764 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:24:01,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2020-10-24 23:24:01,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6dfe69f/c61357fbb78a4a0ba48370812179a39c/FLAGe04650aa8 [2020-10-24 23:24:02,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6dfe69f/c61357fbb78a4a0ba48370812179a39c [2020-10-24 23:24:02,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:24:02,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:24:02,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:24:02,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:24:02,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:24:02,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5527af2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02, skipping insertion in model container [2020-10-24 23:24:02,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:24:02,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:24:02,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:24:02,429 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:24:02,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:24:02,514 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:24:02,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02 WrapperNode [2020-10-24 23:24:02,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:24:02,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:24:02,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:24:02,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:24:02,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:24:02,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:24:02,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:24:02,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:24:02,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (1/1) ... [2020-10-24 23:24:02,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:24:02,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:24:02,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:24:02,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:24:02,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (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 [2020-10-24 23:24:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:24:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:24:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:24:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:24:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:24:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:24:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:24:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:24:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:24:03,329 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:24:03,330 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 23:24:03,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:24:03 BoogieIcfgContainer [2020-10-24 23:24:03,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:24:03,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:24:03,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:24:03,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:24:03,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:24:02" (1/3) ... [2020-10-24 23:24:03,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7154a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:24:03, skipping insertion in model container [2020-10-24 23:24:03,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:02" (2/3) ... [2020-10-24 23:24:03,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7154a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:24:03, skipping insertion in model container [2020-10-24 23:24:03,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:24:03" (3/3) ... [2020-10-24 23:24:03,345 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0930.c [2020-10-24 23:24:03,371 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:24:03,377 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:24:03,396 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:24:03,447 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:24:03,447 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:24:03,447 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:24:03,447 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:24:03,447 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:24:03,448 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:24:03,448 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:24:03,448 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:24:03,468 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-24 23:24:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 23:24:03,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:03,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:03,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:03,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:03,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1904085918, now seen corresponding path program 1 times [2020-10-24 23:24:03,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:24:03,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789535040] [2020-10-24 23:24:03,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:24:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:24:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:03,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789535040] [2020-10-24 23:24:03,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:24:03,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:24:03,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949632456] [2020-10-24 23:24:03,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:24:03,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:24:03,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:24:03,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:24:03,784 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2020-10-24 23:24:03,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:24:03,816 INFO L93 Difference]: Finished difference Result 67 states and 107 transitions. [2020-10-24 23:24:03,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:24:03,818 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 23:24:03,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:24:03,846 INFO L225 Difference]: With dead ends: 67 [2020-10-24 23:24:03,847 INFO L226 Difference]: Without dead ends: 31 [2020-10-24 23:24:03,852 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 [2020-10-24 23:24:03,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-24 23:24:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-24 23:24:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-24 23:24:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-10-24 23:24:03,899 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 9 [2020-10-24 23:24:03,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:24:03,900 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-10-24 23:24:03,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:24:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-10-24 23:24:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:24:03,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:03,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:03,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:24:03,903 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:03,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:03,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1484264895, now seen corresponding path program 1 times [2020-10-24 23:24:03,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:24:03,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667732195] [2020-10-24 23:24:03,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:24:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:24:03,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:24:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:24:03,987 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:24:04,037 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:24:04,038 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:24:04,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:24:04,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:24:04 BoogieIcfgContainer [2020-10-24 23:24:04,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:24:04,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:24:04,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:24:04,123 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:24:04,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:24:03" (3/4) ... [2020-10-24 23:24:04,127 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:24:04,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:24:04,134 INFO L168 Benchmark]: Toolchain (without parser) took 1998.77 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 19.4 MB in the beginning and 27.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:04,134 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 41.9 MB. Free memory is still 25.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:24:04,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.85 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 18.8 MB in the beginning and 36.1 MB in the end (delta: -17.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:04,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.83 ms. Allocated memory is still 52.4 MB. Free memory was 36.1 MB in the beginning and 34.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:04,139 INFO L168 Benchmark]: Boogie Preprocessor took 62.06 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 32.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:04,141 INFO L168 Benchmark]: RCFGBuilder took 700.89 ms. Allocated memory is still 52.4 MB. Free memory was 32.5 MB in the beginning and 22.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:04,142 INFO L168 Benchmark]: TraceAbstraction took 784.56 ms. Allocated memory is still 52.4 MB. Free memory was 22.4 MB in the beginning and 27.7 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:24:04,143 INFO L168 Benchmark]: Witness Printer took 5.88 ms. Allocated memory is still 52.4 MB. Free memory was 27.7 MB in the beginning and 27.4 MB in the end (delta: 278.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:24:04,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 41.9 MB. Free memory is still 25.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.85 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 18.8 MB in the beginning and 36.1 MB in the end (delta: -17.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.83 ms. Allocated memory is still 52.4 MB. Free memory was 36.1 MB in the beginning and 34.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.06 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 32.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 700.89 ms. Allocated memory is still 52.4 MB. Free memory was 32.5 MB in the beginning and 22.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 784.56 ms. Allocated memory is still 52.4 MB. Free memory was 22.4 MB in the beginning and 27.7 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.88 ms. Allocated memory is still 52.4 MB. Free memory was 27.7 MB in the beginning and 27.4 MB in the end (delta: 278.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 122, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of bitwiseAnd at line 33. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L118] float x = 1.0f; [L23] float hfsq, f, s, z, R, w, t1, t2, dk; [L24] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L27] ieee_float_shape_type gf_u; [L28] gf_u.value = (x) [L29] EXPR gf_u.word [L29] (ix) = gf_u.word [L32] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L33] COND TRUE ((ix & 0x7fffffff) == 0) [L34] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L119] float res = __ieee754_logf(x); [L122] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L122] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L3] __assert_fail("0", "float_req_bl_0930.c", 3, "reach_error") VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 45 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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-a4ecdab [2020-10-24 23:24:06,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:24:06,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:24:06,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:24:06,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:24:06,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:24:06,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:24:06,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:24:06,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:24:06,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:24:06,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:24:06,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:24:06,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:24:06,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:24:06,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:24:06,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:24:06,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:24:06,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:24:06,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:24:06,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:24:06,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:24:06,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:24:06,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:24:06,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:24:06,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:24:06,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:24:06,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:24:06,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:24:06,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:24:06,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:24:06,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:24:06,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:24:06,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:24:06,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:24:06,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:24:06,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:24:06,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:24:06,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:24:06,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:24:06,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:24:06,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:24:06,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:24:06,915 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:24:06,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:24:06,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:24:06,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:24:06,920 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:24:06,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:24:06,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:24:06,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:24:06,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:24:06,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:24:06,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:24:06,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:24:06,922 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:24:06,923 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:24:06,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:24:06,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:24:06,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:24:06,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:24:06,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:24:06,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:24:06,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:24:06,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:24:06,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:24:06,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:24:06,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:24:06,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:24:06,926 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:24:06,927 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:24:06,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:24:06,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:24:06,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:24:06,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68ec6db07696364982a927374298598825d0f6ca [2020-10-24 23:24:07,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:24:07,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:24:07,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:24:07,424 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:24:07,425 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:24:07,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2020-10-24 23:24:07,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a09f68c6/39682bc5e3ee4ee0944c9ee438f67931/FLAG5cf78be23 [2020-10-24 23:24:08,228 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:24:08,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2020-10-24 23:24:08,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a09f68c6/39682bc5e3ee4ee0944c9ee438f67931/FLAG5cf78be23 [2020-10-24 23:24:08,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a09f68c6/39682bc5e3ee4ee0944c9ee438f67931 [2020-10-24 23:24:08,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:24:08,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:24:08,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:24:08,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:24:08,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:24:08,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:24:08" (1/1) ... [2020-10-24 23:24:08,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3edbbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:08, skipping insertion in model container [2020-10-24 23:24:08,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:24:08" (1/1) ... [2020-10-24 23:24:08,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:24:08,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:24:08,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:24:08,975 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:24:09,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:24:09,049 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:24:09,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09 WrapperNode [2020-10-24 23:24:09,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:24:09,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:24:09,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:24:09,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:24:09,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:24:09,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:24:09,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:24:09,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:24:09,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (1/1) ... [2020-10-24 23:24:09,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:24:09,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:24:09,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:24:09,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:24:09,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (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 [2020-10-24 23:24:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:24:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:24:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 23:24:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:24:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:24:09,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:24:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-24 23:24:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:24:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:24:24,615 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:24:24,615 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 23:24:24,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:24:24 BoogieIcfgContainer [2020-10-24 23:24:24,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:24:24,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:24:24,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:24:24,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:24:24,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:24:08" (1/3) ... [2020-10-24 23:24:24,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67515071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:24:24, skipping insertion in model container [2020-10-24 23:24:24,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:24:09" (2/3) ... [2020-10-24 23:24:24,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67515071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:24:24, skipping insertion in model container [2020-10-24 23:24:24,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:24:24" (3/3) ... [2020-10-24 23:24:24,627 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0930.c [2020-10-24 23:24:24,641 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:24:24,647 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:24:24,662 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:24:24,693 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:24:24,693 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:24:24,693 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:24:24,693 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:24:24,693 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:24:24,693 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:24:24,694 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:24:24,694 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:24:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-24 23:24:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 23:24:24,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:24,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:24,718 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:24,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:24,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1904085918, now seen corresponding path program 1 times [2020-10-24 23:24:24,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:24:24,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900808583] [2020-10-24 23:24:24,739 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 [2020-10-24 23:24:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:24:25,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:24:25,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:24:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:25,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:24:25,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:25,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900808583] [2020-10-24 23:24:25,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:24:25,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:24:25,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776743839] [2020-10-24 23:24:25,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:24:25,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:24:25,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:24:25,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:24:25,445 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2020-10-24 23:24:25,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:24:25,467 INFO L93 Difference]: Finished difference Result 67 states and 107 transitions. [2020-10-24 23:24:25,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:24:25,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 23:24:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:24:25,480 INFO L225 Difference]: With dead ends: 67 [2020-10-24 23:24:25,481 INFO L226 Difference]: Without dead ends: 31 [2020-10-24 23:24:25,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:24:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-24 23:24:25,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-24 23:24:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-24 23:24:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-10-24 23:24:25,526 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 9 [2020-10-24 23:24:25,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:24:25,526 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-10-24 23:24:25,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:24:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-10-24 23:24:25,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:24:25,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:25,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:25,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:24:25,742 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:25,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:25,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1484264895, now seen corresponding path program 1 times [2020-10-24 23:24:25,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:24:25,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160310980] [2020-10-24 23:24:25,746 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 [2020-10-24 23:24:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:24:26,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-24 23:24:26,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:24:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:26,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:24:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:26,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160310980] [2020-10-24 23:24:26,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:24:26,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 23:24:26,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077975116] [2020-10-24 23:24:26,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 23:24:26,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:24:26,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 23:24:26,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 23:24:26,493 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 6 states. [2020-10-24 23:24:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:24:29,310 INFO L93 Difference]: Finished difference Result 60 states and 78 transitions. [2020-10-24 23:24:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 23:24:29,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-24 23:24:29,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:24:29,473 INFO L225 Difference]: With dead ends: 60 [2020-10-24 23:24:29,474 INFO L226 Difference]: Without dead ends: 38 [2020-10-24 23:24:29,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-24 23:24:29,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-24 23:24:29,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 29. [2020-10-24 23:24:29,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-24 23:24:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2020-10-24 23:24:29,481 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 10 [2020-10-24 23:24:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:24:29,481 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2020-10-24 23:24:29,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 23:24:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2020-10-24 23:24:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-24 23:24:29,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:29,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:29,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:24:29,697 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:29,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:29,699 INFO L82 PathProgramCache]: Analyzing trace with hash 933425138, now seen corresponding path program 1 times [2020-10-24 23:24:29,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:24:29,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933693526] [2020-10-24 23:24:29,701 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 [2020-10-24 23:24:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:24:30,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-24 23:24:30,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:24:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:30,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:24:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:30,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933693526] [2020-10-24 23:24:30,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:24:30,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 23:24:30,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949684647] [2020-10-24 23:24:30,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 23:24:30,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:24:30,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 23:24:30,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 23:24:30,288 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand 7 states. [2020-10-24 23:24:41,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:24:41,560 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2020-10-24 23:24:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 23:24:41,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-24 23:24:41,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:24:41,563 INFO L225 Difference]: With dead ends: 41 [2020-10-24 23:24:41,564 INFO L226 Difference]: Without dead ends: 38 [2020-10-24 23:24:41,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-24 23:24:41,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-24 23:24:41,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 31. [2020-10-24 23:24:41,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-24 23:24:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2020-10-24 23:24:41,581 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 20 [2020-10-24 23:24:41,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:24:41,582 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2020-10-24 23:24:41,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 23:24:41,582 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2020-10-24 23:24:41,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-24 23:24:41,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:41,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:41,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:24:41,807 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:41,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:41,809 INFO L82 PathProgramCache]: Analyzing trace with hash 935272180, now seen corresponding path program 1 times [2020-10-24 23:24:41,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:24:41,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371692393] [2020-10-24 23:24:41,811 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 [2020-10-24 23:24:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:24:42,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-24 23:24:42,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:24:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:42,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:24:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:42,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371692393] [2020-10-24 23:24:42,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:24:42,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-24 23:24:42,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514074624] [2020-10-24 23:24:42,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 23:24:42,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:24:42,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 23:24:42,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-24 23:24:42,886 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand 12 states. [2020-10-24 23:24:54,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:24:54,894 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2020-10-24 23:24:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 23:24:54,924 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2020-10-24 23:24:54,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:24:54,925 INFO L225 Difference]: With dead ends: 58 [2020-10-24 23:24:54,926 INFO L226 Difference]: Without dead ends: 49 [2020-10-24 23:24:54,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-24 23:24:54,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-24 23:24:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 31. [2020-10-24 23:24:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-24 23:24:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2020-10-24 23:24:54,934 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 20 [2020-10-24 23:24:54,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:24:54,935 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2020-10-24 23:24:54,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 23:24:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2020-10-24 23:24:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-24 23:24:54,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:54,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:55,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 23:24:55,143 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:55,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:55,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1140293842, now seen corresponding path program 1 times [2020-10-24 23:24:55,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:24:55,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868101181] [2020-10-24 23:24:55,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-24 23:24:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:24:55,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-24 23:24:55,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:24:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:55,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:24:56,582 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-10-24 23:25:31,713 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-10-24 23:26:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:26:15,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868101181] [2020-10-24 23:26:15,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:26:15,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 12 [2020-10-24 23:26:15,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892725475] [2020-10-24 23:26:15,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 23:26:15,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:26:15,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 23:26:15,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=99, Unknown=20, NotChecked=0, Total=156 [2020-10-24 23:26:15,849 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand 13 states. [2020-10-24 23:26:29,859 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-10-24 23:26:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:26:30,612 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-10-24 23:26:30,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:26:30,615 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2020-10-24 23:26:30,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:26:30,616 INFO L225 Difference]: With dead ends: 38 [2020-10-24 23:26:30,616 INFO L226 Difference]: Without dead ends: 25 [2020-10-24 23:26:30,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 93.3s TimeCoverageRelationStatistics Valid=69, Invalid=147, Unknown=24, NotChecked=0, Total=240 [2020-10-24 23:26:30,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-24 23:26:30,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-24 23:26:30,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-24 23:26:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-10-24 23:26:30,629 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2020-10-24 23:26:30,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:26:30,631 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-10-24 23:26:30,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 23:26:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-10-24 23:26:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-24 23:26:30,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:26:30,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:26:30,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 23:26:30,849 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:26:30,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:26:30,850 INFO L82 PathProgramCache]: Analyzing trace with hash 722082119, now seen corresponding path program 1 times [2020-10-24 23:26:30,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:26:30,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778025061] [2020-10-24 23:26:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-24 23:26:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:26:31,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-24 23:26:31,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:26:31,582 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:26:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:26:31,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:26:32,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:26:32,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778025061] [2020-10-24 23:26:32,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:26:32,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2020-10-24 23:26:32,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591484536] [2020-10-24 23:26:32,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 23:26:32,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:26:32,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 23:26:32,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-24 23:26:32,122 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 14 states. [2020-10-24 23:26:32,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:26:32,631 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-10-24 23:26:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 23:26:32,633 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2020-10-24 23:26:32,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:26:32,633 INFO L225 Difference]: With dead ends: 25 [2020-10-24 23:26:32,634 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:26:32,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-10-24 23:26:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:26:32,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:26:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:26:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:26:32,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-24 23:26:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:26:32,636 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:26:32,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 23:26:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:26:32,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:26:32,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-24 23:26:32,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:26:33,166 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-10-24 23:26:33,337 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-24 23:26:33,443 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-10-24 23:26:33,708 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-10-24 23:26:33,750 INFO L274 CegarLoopResult]: For program point L93(lines 93 96) no Hoare annotation was computed. [2020-10-24 23:26:33,751 INFO L274 CegarLoopResult]: For program point L60(lines 60 65) no Hoare annotation was computed. [2020-10-24 23:26:33,751 INFO L274 CegarLoopResult]: For program point L85(lines 85 97) no Hoare annotation was computed. [2020-10-24 23:26:33,751 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:26:33,751 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:26:33,751 INFO L277 CegarLoopResult]: At program point L127(lines 112 128) the Hoare annotation is: true [2020-10-24 23:26:33,751 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:26:33,751 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:26:33,751 INFO L274 CegarLoopResult]: For program point L103-1(lines 103 107) no Hoare annotation was computed. [2020-10-24 23:26:33,752 INFO L274 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-10-24 23:26:33,752 INFO L270 CegarLoopResult]: At program point L103-2(lines 103 107) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (exists ((v_ULTIMATE.start___ieee754_logf_~ix~0_27 (_ BitVec 32))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_logf_~ix~0_27) ((_ extract 30 23) v_ULTIMATE.start___ieee754_logf_~ix~0_27) ((_ extract 22 0) v_ULTIMATE.start___ieee754_logf_~ix~0_27))) (= ULTIMATE.start___ieee754_logf_~ix~0 (bvand (_ bv8388607 32) v_ULTIMATE.start___ieee754_logf_~ix~0_27)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ULTIMATE.start_main_~res~0)) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) ULTIMATE.start___ieee754_logf_~f~0) (= ((_ to_fp 8 24) currentRoundingMode 1.0) ULTIMATE.start___ieee754_logf_~x) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ULTIMATE.start___signbit_float_~x)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) |ULTIMATE.start___ieee754_logf_#res|)) (= ULTIMATE.start___ieee754_logf_~i~0 (bvand (_ bv8388608 32) (bvadd ULTIMATE.start___ieee754_logf_~ix~0 (_ bv4913952 32))))) [2020-10-24 23:26:33,752 INFO L274 CegarLoopResult]: For program point L103-3(lines 103 107) no Hoare annotation was computed. [2020-10-24 23:26:33,752 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-10-24 23:26:33,752 INFO L270 CegarLoopResult]: At program point L96(lines 22 98) the Hoare annotation is: (and (exists ((v_ULTIMATE.start___ieee754_logf_~ix~0_27 (_ BitVec 32))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_logf_~ix~0_27) ((_ extract 30 23) v_ULTIMATE.start___ieee754_logf_~ix~0_27) ((_ extract 22 0) v_ULTIMATE.start___ieee754_logf_~ix~0_27))) (= ULTIMATE.start___ieee754_logf_~ix~0 (bvand (_ bv8388607 32) v_ULTIMATE.start___ieee754_logf_~ix~0_27)))) (exists ((v_ULTIMATE.start___ieee754_logf_~ix~0_23 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_logf_~ix~0_23) ((_ extract 30 23) v_ULTIMATE.start___ieee754_logf_~ix~0_23) ((_ extract 22 0) v_ULTIMATE.start___ieee754_logf_~ix~0_23))) (= (bvashr v_ULTIMATE.start___ieee754_logf_~ix~0_23 (_ bv23 32)) (bvadd ULTIMATE.start___ieee754_logf_~k~0 (_ bv127 32))) (= ULTIMATE.start___ieee754_logf_~i~0 (bvand (_ bv8388608 32) (bvadd (bvand (_ bv8388607 32) v_ULTIMATE.start___ieee754_logf_~ix~0_23) (_ bv4913952 32)))))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) ULTIMATE.start___ieee754_logf_~f~0) (= ((_ to_fp 8 24) currentRoundingMode 1.0) ULTIMATE.start___ieee754_logf_~x) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) |ULTIMATE.start___ieee754_logf_#res|))) [2020-10-24 23:26:33,753 INFO L274 CegarLoopResult]: For program point L39(lines 39 47) no Hoare annotation was computed. [2020-10-24 23:26:33,753 INFO L274 CegarLoopResult]: For program point L39-1(lines 39 47) no Hoare annotation was computed. [2020-10-24 23:26:33,753 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-24 23:26:33,753 INFO L274 CegarLoopResult]: For program point L122-2(lines 122 125) no Hoare annotation was computed. [2020-10-24 23:26:33,753 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:26:33,753 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:26:33,753 INFO L274 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-10-24 23:26:33,753 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:26:33,754 INFO L274 CegarLoopResult]: For program point L58(lines 58 74) no Hoare annotation was computed. [2020-10-24 23:26:33,754 INFO L274 CegarLoopResult]: For program point L42-1(lines 42 46) no Hoare annotation was computed. [2020-10-24 23:26:33,754 INFO L270 CegarLoopResult]: At program point L42-2(lines 42 46) the Hoare annotation is: false [2020-10-24 23:26:33,754 INFO L274 CegarLoopResult]: For program point L59(lines 59 66) no Hoare annotation was computed. [2020-10-24 23:26:33,754 INFO L274 CegarLoopResult]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2020-10-24 23:26:33,754 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 30) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode 1.0) ULTIMATE.start___ieee754_logf_~x))) [2020-10-24 23:26:33,754 INFO L274 CegarLoopResult]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2020-10-24 23:26:33,754 INFO L274 CegarLoopResult]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2020-10-24 23:26:33,755 INFO L270 CegarLoopResult]: At program point L51-2(lines 51 55) the Hoare annotation is: (and (exists ((v_ULTIMATE.start___ieee754_logf_~ix~0_27 (_ BitVec 32))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_logf_~ix~0_27) ((_ extract 30 23) v_ULTIMATE.start___ieee754_logf_~ix~0_27) ((_ extract 22 0) v_ULTIMATE.start___ieee754_logf_~ix~0_27))) (= ULTIMATE.start___ieee754_logf_~ix~0 (bvand (_ bv8388607 32) v_ULTIMATE.start___ieee754_logf_~ix~0_27)))) (exists ((v_ULTIMATE.start___ieee754_logf_~ix~0_23 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_logf_~ix~0_23) ((_ extract 30 23) v_ULTIMATE.start___ieee754_logf_~ix~0_23) ((_ extract 22 0) v_ULTIMATE.start___ieee754_logf_~ix~0_23))) (= (bvashr v_ULTIMATE.start___ieee754_logf_~ix~0_23 (_ bv23 32)) (bvadd ULTIMATE.start___ieee754_logf_~k~0 (_ bv127 32))) (= ULTIMATE.start___ieee754_logf_~i~0 (bvand (_ bv8388608 32) (bvadd (bvand (_ bv8388607 32) v_ULTIMATE.start___ieee754_logf_~ix~0_23) (_ bv4913952 32)))))) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode 1.0) ULTIMATE.start___ieee754_logf_~x))) [2020-10-24 23:26:33,755 INFO L274 CegarLoopResult]: For program point L51-3(lines 51 55) no Hoare annotation was computed. [2020-10-24 23:26:33,755 INFO L270 CegarLoopResult]: At program point L109(lines 100 110) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (exists ((v_ULTIMATE.start___ieee754_logf_~ix~0_27 (_ BitVec 32))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_logf_~ix~0_27) ((_ extract 30 23) v_ULTIMATE.start___ieee754_logf_~ix~0_27) ((_ extract 22 0) v_ULTIMATE.start___ieee754_logf_~ix~0_27))) (= ULTIMATE.start___ieee754_logf_~ix~0 (bvand (_ bv8388607 32) v_ULTIMATE.start___ieee754_logf_~ix~0_27)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ULTIMATE.start_main_~res~0)) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)))) (= (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) ULTIMATE.start___ieee754_logf_~f~0) (= ((_ to_fp 8 24) currentRoundingMode 1.0) ULTIMATE.start___ieee754_logf_~x) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ULTIMATE.start___signbit_float_~x)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) |ULTIMATE.start___ieee754_logf_#res|)) (= ULTIMATE.start___ieee754_logf_~i~0 (bvand (_ bv8388608 32) (bvadd ULTIMATE.start___ieee754_logf_~ix~0 (_ bv4913952 32))))) [2020-10-24 23:26:33,755 INFO L274 CegarLoopResult]: For program point L68(lines 68 73) no Hoare annotation was computed. [2020-10-24 23:26:33,755 INFO L274 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2020-10-24 23:26:33,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,795 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:26:33 BoogieIcfgContainer [2020-10-24 23:26:33,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:26:33,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:26:33,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:26:33,819 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:26:33,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:24:24" (3/4) ... [2020-10-24 23:26:33,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 23:26:33,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-10-24 23:26:33,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-24 23:26:33,840 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:26:33,840 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:26:33,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) [2020-10-24 23:26:33,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_ULTIMATE.start___ieee754_logf_~ix~0_27 : bv32 :: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_27[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_27[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_27[22:0]) && ix == ~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_27)) && (\exists v_ULTIMATE.start___ieee754_logf_~ix~0_23 : bv32, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_23[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_23[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_23[22:0]) && ~bvashr32(v_ULTIMATE.start___ieee754_logf_~ix~0_23, 23bv32) == ~bvadd64(k, 127bv32)) && i == ~bvand32(8388608bv32, ~bvadd64(~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_23), 4913952bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) == f) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == \result) [2020-10-24 23:26:33,873 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_ULTIMATE.start___ieee754_logf_~ix~0_27 : bv32 :: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_27[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_27[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_27[22:0]) && ix == ~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_27)) && (\exists v_ULTIMATE.start___ieee754_logf_~ix~0_23 : bv32, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_23[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_23[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_23[22:0]) && ~bvashr32(v_ULTIMATE.start___ieee754_logf_~ix~0_23, 23bv32) == ~bvadd64(k, 127bv32)) && i == ~bvand32(8388608bv32, ~bvadd64(~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_23), 4913952bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) [2020-10-24 23:26:33,873 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists v_ULTIMATE.start___ieee754_logf_~ix~0_27 : bv32 :: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_27[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_27[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_27[22:0]) && ix == ~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_27))) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == res)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) == f) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == x)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == \result)) && i == ~bvand32(8388608bv32, ~bvadd64(ix, 4913952bv32)) [2020-10-24 23:26:33,874 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists v_ULTIMATE.start___ieee754_logf_~ix~0_27 : bv32 :: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_27[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_27[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_27[22:0]) && ix == ~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_27))) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == res)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]))) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) == f) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == x)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && \result == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == \result)) && i == ~bvand32(8388608bv32, ~bvadd64(ix, 4913952bv32)) [2020-10-24 23:26:33,925 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:26:33,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:26:33,927 INFO L168 Benchmark]: Toolchain (without parser) took 145330.83 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.7 MB in the beginning and 20.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:26:33,928 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:26:33,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.74 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 24.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:26:33,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.63 ms. Allocated memory is still 50.3 MB. Free memory was 24.5 MB in the beginning and 22.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:26:33,929 INFO L168 Benchmark]: Boogie Preprocessor took 68.13 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 22.5 MB in the beginning and 44.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:26:33,930 INFO L168 Benchmark]: RCFGBuilder took 15434.57 ms. Allocated memory is still 60.8 MB. Free memory was 44.3 MB in the beginning and 35.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:26:33,930 INFO L168 Benchmark]: TraceAbstraction took 129198.62 ms. Allocated memory is still 60.8 MB. Free memory was 35.3 MB in the beginning and 25.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:26:33,931 INFO L168 Benchmark]: Witness Printer took 106.69 ms. Allocated memory is still 60.8 MB. Free memory was 25.3 MB in the beginning and 20.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:26:33,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.74 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 24.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.63 ms. Allocated memory is still 50.3 MB. Free memory was 24.5 MB in the beginning and 22.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.13 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 22.5 MB in the beginning and 44.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15434.57 ms. Allocated memory is still 60.8 MB. Free memory was 44.3 MB in the beginning and 35.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 129198.62 ms. Allocated memory is still 60.8 MB. Free memory was 35.3 MB in the beginning and 25.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Witness Printer took 106.69 ms. Allocated memory is still 60.8 MB. Free memory was 25.3 MB in the beginning and 20.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 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[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant [2020-10-24 23:26:33,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists v_ULTIMATE.start___ieee754_logf_~ix~0_27 : bv32 :: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_27[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_27[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_27[22:0]) && ix == ~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_27))) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == res)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) == f) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == x)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == \result)) && i == ~bvand32(8388608bv32, ~bvadd64(ix, 4913952bv32)) - InvariantResult [Line: 22]: Loop Invariant [2020-10-24 23:26:33,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((\exists v_ULTIMATE.start___ieee754_logf_~ix~0_27 : bv32 :: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_27[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_27[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_27[22:0]) && ix == ~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_27)) && (\exists v_ULTIMATE.start___ieee754_logf_~ix~0_23 : bv32, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_23[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_23[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_23[22:0]) && ~bvashr32(v_ULTIMATE.start___ieee754_logf_~ix~0_23, 23bv32) == ~bvadd64(k, 127bv32)) && i == ~bvand32(8388608bv32, ~bvadd64(~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_23), 4913952bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) == f) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == \result) - InvariantResult [Line: 51]: Loop Invariant [2020-10-24 23:26:33,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,973 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_23,QUANTIFIED] [2020-10-24 23:26:33,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists v_ULTIMATE.start___ieee754_logf_~ix~0_27 : bv32 :: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_27[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_27[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_27[22:0]) && ix == ~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_27)) && (\exists v_ULTIMATE.start___ieee754_logf_~ix~0_23 : bv32, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_23[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_23[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_23[22:0]) && ~bvashr32(v_ULTIMATE.start___ieee754_logf_~ix~0_23, 23bv32) == ~bvadd64(k, 127bv32)) && i == ~bvand32(8388608bv32, ~bvadd64(~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_23), 4913952bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) - InvariantResult [Line: 100]: Loop Invariant [2020-10-24 23:26:33,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_logf_~ix~0_27,QUANTIFIED] [2020-10-24 23:26:33,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists v_ULTIMATE.start___ieee754_logf_~ix~0_27 : bv32 :: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_logf_~ix~0_27[31:31], v_ULTIMATE.start___ieee754_logf_~ix~0_27[30:23], v_ULTIMATE.start___ieee754_logf_~ix~0_27[22:0]) && ix == ~bvand32(8388607bv32, v_ULTIMATE.start___ieee754_logf_~ix~0_27))) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == res)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]))) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) == f) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == x)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && \result == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == \result)) && i == ~bvand32(8388608bv32, ~bvadd64(ix, 4913952bv32)) - InvariantResult [Line: 26]: Loop Invariant [2020-10-24 23:26:33,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:26:33,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:26:33,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:26:33,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 128.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 41.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 167 SDtfs, 261 SDslu, 397 SDs, 0 SdLazy, 172 SolverSat, 32 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 26.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 150 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 95.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred 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, 6 MinimizatonAttempts, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 313 HoareAnnotationTreeSize, 7 FomulaSimplifications, 206 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 81.8s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 194 ConstructedInterpolants, 77 QuantifiedInterpolants, 38681 SizeOfPredicates, 40 NumberOfNonLiveVariables, 414 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...