./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0910a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0910a.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 46393d2b09f76a2aebf7966ac49ef5fe23671a72 ..................................................................................................................................................................................................................................................................................................... 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0910a.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 46393d2b09f76a2aebf7966ac49ef5fe23671a72 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:38:09,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:38:09,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:38:09,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:38:09,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:38:09,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:38:09,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:38:09,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:38:09,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:38:09,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:38:09,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:38:09,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:38:09,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:38:09,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:38:09,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:38:09,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:38:09,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:38:09,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:38:09,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:38:09,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:38:09,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:38:09,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:38:09,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:38:09,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:38:09,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:38:09,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:38:09,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:38:09,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:38:09,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:38:09,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:38:09,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:38:09,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:38:09,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:38:09,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:38:09,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:38:09,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:38:09,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:38:09,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:38:09,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:38:09,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:38:09,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:38:09,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:38:09,407 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:38:09,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:38:09,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:38:09,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:38:09,409 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:38:09,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:38:09,409 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:38:09,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:38:09,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:38:09,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:38:09,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:38:09,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:38:09,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:38:09,410 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:38:09,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:38:09,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:38:09,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:38:09,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:38:09,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:38:09,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:38:09,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:38:09,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:38:09,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:38:09,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:38:09,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:38:09,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:38:09,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:38:09,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:38:09,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:38:09,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(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 -> 46393d2b09f76a2aebf7966ac49ef5fe23671a72 [2020-10-20 00:38:09,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:38:09,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:38:09,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:38:09,691 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:38:09,693 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:38:09,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0910a.c [2020-10-20 00:38:09,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4368c2fce/045a4a13cffc4a1199cf9f6da7089de1/FLAGe907dde38 [2020-10-20 00:38:10,369 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:38:10,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0910a.c [2020-10-20 00:38:10,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4368c2fce/045a4a13cffc4a1199cf9f6da7089de1/FLAGe907dde38 [2020-10-20 00:38:10,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4368c2fce/045a4a13cffc4a1199cf9f6da7089de1 [2020-10-20 00:38:10,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:38:10,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:38:10,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:38:10,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:38:10,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:38:10,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:38:10" (1/1) ... [2020-10-20 00:38:10,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323eea12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:10, skipping insertion in model container [2020-10-20 00:38:10,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:38:10" (1/1) ... [2020-10-20 00:38:10,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:38:10,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:38:11,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:38:11,056 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:38:11,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:38:11,117 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:38:11,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11 WrapperNode [2020-10-20 00:38:11,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:38:11,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:38:11,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:38:11,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:38:11,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:38:11,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:38:11,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:38:11,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:38:11,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (1/1) ... [2020-10-20 00:38:11,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:38:11,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:38:11,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:38:11,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:38:11,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (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 [2020-10-20 00:38:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:38:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:38:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:38:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:38:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:38:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:38:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:38:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:38:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:38:11,738 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:38:11,738 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-20 00:38:11,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:38:11 BoogieIcfgContainer [2020-10-20 00:38:11,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:38:11,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:38:11,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:38:11,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:38:11,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:38:10" (1/3) ... [2020-10-20 00:38:11,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21014bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:38:11, skipping insertion in model container [2020-10-20 00:38:11,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:11" (2/3) ... [2020-10-20 00:38:11,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21014bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:38:11, skipping insertion in model container [2020-10-20 00:38:11,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:38:11" (3/3) ... [2020-10-20 00:38:11,752 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a.c [2020-10-20 00:38:11,764 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:38:11,772 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:38:11,785 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:38:11,807 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:38:11,807 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:38:11,807 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:38:11,808 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:38:11,808 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:38:11,808 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:38:11,808 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:38:11,809 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:38:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-20 00:38:11,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:38:11,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:38:11,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:38:11,831 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:38:11,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:38:11,837 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2020-10-20 00:38:11,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:38:11,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542566217] [2020-10-20 00:38:11,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:38:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:38:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:38:12,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542566217] [2020-10-20 00:38:12,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:38:12,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:38:12,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567276387] [2020-10-20 00:38:12,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:38:12,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:38:12,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:38:12,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:38:12,038 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-10-20 00:38:12,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:38:12,057 INFO L93 Difference]: Finished difference Result 65 states and 103 transitions. [2020-10-20 00:38:12,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:38:12,059 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:38:12,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:38:12,070 INFO L225 Difference]: With dead ends: 65 [2020-10-20 00:38:12,070 INFO L226 Difference]: Without dead ends: 30 [2020-10-20 00:38:12,074 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 [2020-10-20 00:38:12,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-20 00:38:12,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-20 00:38:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-20 00:38:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-20 00:38:12,110 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2020-10-20 00:38:12,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:38:12,111 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-20 00:38:12,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:38:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-20 00:38:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:38:12,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:38:12,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:38:12,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:38:12,112 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:38:12,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:38:12,113 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2020-10-20 00:38:12,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:38:12,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908952118] [2020-10-20 00:38:12,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:38:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:38:12,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:38:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:38:12,228 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:38:12,261 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:38:12,261 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:38:12,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:38:12,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:38:12 BoogieIcfgContainer [2020-10-20 00:38:12,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:38:12,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:38:12,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:38:12,308 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:38:12,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:38:11" (3/4) ... [2020-10-20 00:38:12,313 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:38:12,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:38:12,316 INFO L168 Benchmark]: Toolchain (without parser) took 1586.76 ms. Allocated memory was 40.9 MB in the beginning and 46.7 MB in the end (delta: 5.8 MB). Free memory was 18.8 MB in the beginning and 11.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:38:12,317 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.2 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:38:12,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.63 ms. Allocated memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: 1.0 MB). Free memory was 17.9 MB in the beginning and 16.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:38:12,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.59 ms. Allocated memory is still 41.9 MB. Free memory was 16.6 MB in the beginning and 14.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:38:12,320 INFO L168 Benchmark]: Boogie Preprocessor took 37.37 ms. Allocated memory is still 41.9 MB. Free memory was 14.3 MB in the beginning and 12.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:38:12,321 INFO L168 Benchmark]: RCFGBuilder took 532.83 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 12.4 MB in the beginning and 24.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:38:12,322 INFO L168 Benchmark]: TraceAbstraction took 563.27 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 23.8 MB in the beginning and 11.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:38:12,323 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 46.7 MB. Free memory was 11.6 MB in the beginning and 11.3 MB in the end (delta: 318.5 kB). Peak memory consumption was 318.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:38:12,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.2 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 383.63 ms. Allocated memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: 1.0 MB). Free memory was 17.9 MB in the beginning and 16.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 52.59 ms. Allocated memory is still 41.9 MB. Free memory was 16.6 MB in the beginning and 14.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 37.37 ms. Allocated memory is still 41.9 MB. Free memory was 14.3 MB in the beginning and 12.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 532.83 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 12.4 MB in the beginning and 24.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 563.27 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 23.8 MB in the beginning and 11.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. * Witness Printer took 5.14 ms. Allocated memory is still 46.7 MB. Free memory was 11.6 MB in the beginning and 11.3 MB in the end (delta: 318.5 kB). Peak memory consumption was 318.5 kB. Max. memory is 14.3 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 someBinaryArithmeticFLOAToperation at line 45, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L25-L29] 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; [L31] 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] [L117] float x = 0.0f; [L34] float hfsq, f, s, z, R, w, t1, t2, dk; [L35] __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] [L38] ieee_float_shape_type gf_u; [L39] gf_u.value = (x) [L40] EXPR gf_u.word [L40] (ix) = gf_u.word [L43] 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] [L44] COND TRUE ((ix & 0x7fffffff) == 0) [L45] 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] [L118] float res = __ieee754_logf(x); [L15] __int32_t ix; 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] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L21] ix &= 0x7fffffff [L22] return ((ix) == 0x7f800000L); 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] [L121] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_0910a.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, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 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=34occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.25-9a8b2e8 [2020-10-20 00:38:14,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:38:14,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:38:14,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:38:14,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:38:14,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:38:14,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:38:14,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:38:14,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:38:14,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:38:14,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:38:14,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:38:14,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:38:14,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:38:14,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:38:14,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:38:14,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:38:14,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:38:14,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:38:14,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:38:14,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:38:14,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:38:14,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:38:14,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:38:14,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:38:14,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:38:14,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:38:14,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:38:14,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:38:14,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:38:14,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:38:14,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:38:14,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:38:14,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:38:14,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:38:14,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:38:14,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:38:14,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:38:14,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:38:14,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:38:14,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:38:14,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:38:14,716 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:38:14,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:38:14,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:38:14,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:38:14,718 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:38:14,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:38:14,718 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:38:14,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:38:14,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:38:14,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:38:14,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:38:14,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:38:14,720 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:38:14,720 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:38:14,721 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:38:14,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:38:14,721 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:38:14,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:38:14,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:38:14,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:38:14,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:38:14,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:38:14,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:38:14,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:38:14,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:38:14,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:38:14,723 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:38:14,723 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:38:14,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:38:14,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:38:14,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:38:14,725 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(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 -> 46393d2b09f76a2aebf7966ac49ef5fe23671a72 [2020-10-20 00:38:14,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:38:14,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:38:14,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:38:14,964 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:38:14,964 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:38:14,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0910a.c [2020-10-20 00:38:15,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec2dd67/0087f41b02af40748c33d3a8e9638b5d/FLAG04c85a743 [2020-10-20 00:38:15,619 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:38:15,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0910a.c [2020-10-20 00:38:15,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec2dd67/0087f41b02af40748c33d3a8e9638b5d/FLAG04c85a743 [2020-10-20 00:38:15,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec2dd67/0087f41b02af40748c33d3a8e9638b5d [2020-10-20 00:38:15,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:38:15,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:38:15,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:38:15,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:38:15,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:38:15,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:38:15" (1/1) ... [2020-10-20 00:38:15,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63aa7cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:15, skipping insertion in model container [2020-10-20 00:38:15,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:38:15" (1/1) ... [2020-10-20 00:38:15,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:38:16,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:38:16,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:38:16,290 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:38:16,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:38:16,355 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:38:16,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16 WrapperNode [2020-10-20 00:38:16,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:38:16,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:38:16,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:38:16,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:38:16,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:38:16,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:38:16,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:38:16,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:38:16,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (1/1) ... [2020-10-20 00:38:16,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:38:16,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:38:16,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:38:16,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:38:16,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (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 [2020-10-20 00:38:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:38:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:38:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-20 00:38:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:38:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:38:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:38:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-20 00:38:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:38:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:38:29,187 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:38:29,187 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-20 00:38:29,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:38:29 BoogieIcfgContainer [2020-10-20 00:38:29,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:38:29,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:38:29,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:38:29,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:38:29,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:38:15" (1/3) ... [2020-10-20 00:38:29,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3134d183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:38:29, skipping insertion in model container [2020-10-20 00:38:29,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:38:16" (2/3) ... [2020-10-20 00:38:29,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3134d183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:38:29, skipping insertion in model container [2020-10-20 00:38:29,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:38:29" (3/3) ... [2020-10-20 00:38:29,199 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a.c [2020-10-20 00:38:29,210 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:38:29,216 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:38:29,227 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:38:29,252 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:38:29,252 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:38:29,252 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:38:29,252 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:38:29,253 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:38:29,253 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:38:29,253 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:38:29,253 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:38:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-20 00:38:29,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:38:29,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:38:29,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:38:29,276 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:38:29,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:38:29,281 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2020-10-20 00:38:29,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:38:29,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533837707] [2020-10-20 00:38:29,292 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 [2020-10-20 00:38:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:38:29,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:38:29,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:38:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:38:29,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:38:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:38:29,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533837707] [2020-10-20 00:38:29,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:38:29,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:38:29,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175046828] [2020-10-20 00:38:29,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:38:29,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:38:29,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:38:29,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:38:29,901 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-10-20 00:38:29,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:38:29,919 INFO L93 Difference]: Finished difference Result 65 states and 103 transitions. [2020-10-20 00:38:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:38:29,920 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:38:29,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:38:29,929 INFO L225 Difference]: With dead ends: 65 [2020-10-20 00:38:29,930 INFO L226 Difference]: Without dead ends: 30 [2020-10-20 00:38:29,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:38:29,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-20 00:38:29,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-20 00:38:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-20 00:38:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-20 00:38:29,965 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2020-10-20 00:38:29,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:38:29,965 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-20 00:38:29,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:38:29,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-20 00:38:29,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:38:29,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:38:29,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:38:30,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:38:30,181 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:38:30,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:38:30,182 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2020-10-20 00:38:30,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:38:30,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891515520] [2020-10-20 00:38:30,185 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 [2020-10-20 00:38:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:38:30,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 00:38:30,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:38:30,900 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:38:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:38:30,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:38:49,013 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-10-20 00:38:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:38:49,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891515520] [2020-10-20 00:38:49,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:38:49,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-10-20 00:38:49,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536236050] [2020-10-20 00:38:49,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-20 00:38:49,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:38:49,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-20 00:38:49,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=148, Unknown=3, NotChecked=0, Total=182 [2020-10-20 00:38:49,037 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 14 states. [2020-10-20 00:39:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:39:15,561 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-10-20 00:39:15,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 00:39:15,637 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-10-20 00:39:15,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:39:15,638 INFO L225 Difference]: With dead ends: 46 [2020-10-20 00:39:15,638 INFO L226 Difference]: Without dead ends: 38 [2020-10-20 00:39:15,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 19.7s TimeCoverageRelationStatistics Valid=87, Invalid=252, Unknown=3, NotChecked=0, Total=342 [2020-10-20 00:39:15,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-20 00:39:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2020-10-20 00:39:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-20 00:39:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2020-10-20 00:39:15,646 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2020-10-20 00:39:15,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:39:15,647 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2020-10-20 00:39:15,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-20 00:39:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2020-10-20 00:39:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:39:15,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:39:15,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:39:15,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:39:15,850 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:39:15,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:39:15,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1681903329, now seen corresponding path program 1 times [2020-10-20 00:39:15,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:39:15,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71284621] [2020-10-20 00:39:15,853 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 [2020-10-20 00:39:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:39:16,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 00:39:16,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:39:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:39:16,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:39:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:39:16,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71284621] [2020-10-20 00:39:16,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:39:16,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-20 00:39:16,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770012873] [2020-10-20 00:39:16,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 00:39:16,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:39:16,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 00:39:16,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:39:16,509 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand 6 states. [2020-10-20 00:39:16,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:39:16,537 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2020-10-20 00:39:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:39:16,537 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-20 00:39:16,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:39:16,537 INFO L225 Difference]: With dead ends: 30 [2020-10-20 00:39:16,537 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:39:16,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 00:39:16,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:39:16,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:39:16,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:39:16,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:39:16,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-20 00:39:16,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:39:16,542 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:39:16,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 00:39:16,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:39:16,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:39:16,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:39:16,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:39:16,930 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-10-20 00:39:16,930 INFO L274 CegarLoopResult]: For program point L69(lines 69 85) no Hoare annotation was computed. [2020-10-20 00:39:16,930 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:39:16,930 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:39:16,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:39:16,931 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:39:16,931 INFO L274 CegarLoopResult]: For program point L53-1(lines 53 57) no Hoare annotation was computed. [2020-10-20 00:39:16,931 INFO L270 CegarLoopResult]: At program point L53-2(lines 53 57) the Hoare annotation is: false [2020-10-20 00:39:16,931 INFO L274 CegarLoopResult]: For program point L70(lines 70 77) no Hoare annotation was computed. [2020-10-20 00:39:16,932 INFO L274 CegarLoopResult]: For program point L37-1(lines 37 41) no Hoare annotation was computed. [2020-10-20 00:39:16,932 INFO L270 CegarLoopResult]: At program point L37-2(lines 37 41) the Hoare annotation is: (and (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= (_ +zero 8 24) ULTIMATE.start___ieee754_logf_~x) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0)) [2020-10-20 00:39:16,932 INFO L274 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-10-20 00:39:16,932 INFO L274 CegarLoopResult]: For program point L62-1(lines 62 66) no Hoare annotation was computed. [2020-10-20 00:39:16,932 INFO L270 CegarLoopResult]: At program point L62-2(lines 62 66) the Hoare annotation is: false [2020-10-20 00:39:16,932 INFO L274 CegarLoopResult]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2020-10-20 00:39:16,932 INFO L274 CegarLoopResult]: For program point L79(lines 79 84) no Hoare annotation was computed. [2020-10-20 00:39:16,933 INFO L274 CegarLoopResult]: For program point L46(lines 46 47) no Hoare annotation was computed. [2020-10-20 00:39:16,933 INFO L274 CegarLoopResult]: For program point L104(lines 104 107) no Hoare annotation was computed. [2020-10-20 00:39:16,933 INFO L274 CegarLoopResult]: For program point L71(lines 71 76) no Hoare annotation was computed. [2020-10-20 00:39:16,933 INFO L274 CegarLoopResult]: For program point L96(lines 96 108) no Hoare annotation was computed. [2020-10-20 00:39:16,933 INFO L274 CegarLoopResult]: For program point L121(lines 121 124) no Hoare annotation was computed. [2020-10-20 00:39:16,933 INFO L270 CegarLoopResult]: At program point L22(lines 14 23) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= |ULTIMATE.start___ieee754_logf_#res| .cse0) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= .cse0 ULTIMATE.start_isinf_float_~x) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32)))) [2020-10-20 00:39:16,933 INFO L274 CegarLoopResult]: For program point L48(lines 48 49) no Hoare annotation was computed. [2020-10-20 00:39:16,934 INFO L274 CegarLoopResult]: For program point L98(lines 98 102) no Hoare annotation was computed. [2020-10-20 00:39:16,934 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:39:16,935 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:39:16,935 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-10-20 00:39:16,935 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= |ULTIMATE.start___ieee754_logf_#res| .cse0) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0))) [2020-10-20 00:39:16,935 INFO L274 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2020-10-20 00:39:16,936 INFO L270 CegarLoopResult]: At program point L107(lines 33 109) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0)) [2020-10-20 00:39:16,936 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:39:16,936 INFO L274 CegarLoopResult]: For program point L50(lines 50 58) no Hoare annotation was computed. [2020-10-20 00:39:16,936 INFO L274 CegarLoopResult]: For program point L50-1(lines 50 58) no Hoare annotation was computed. [2020-10-20 00:39:16,937 INFO L277 CegarLoopResult]: At program point L125(lines 111 126) the Hoare annotation is: true [2020-10-20 00:39:16,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:16,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:16,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:39:17 BoogieIcfgContainer [2020-10-20 00:39:17,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:39:17,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:39:17,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:39:17,021 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:39:17,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:38:29" (3/4) ... [2020-10-20 00:39:17,025 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:39:17,040 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-10-20 00:39:17,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 00:39:17,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:39:17,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:39:17,076 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log [2020-10-20 00:39:17,078 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log [2020-10-20 00:39:17,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32 [2020-10-20 00:39:17,152 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:39:17,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:39:17,154 INFO L168 Benchmark]: Toolchain (without parser) took 61194.11 ms. Allocated memory was 41.9 MB in the beginning and 48.8 MB in the end (delta: 6.8 MB). Free memory was 21.8 MB in the beginning and 20.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:17,155 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 32.0 MB. Free memory was 10.9 MB in the beginning and 10.8 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:39:17,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.41 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 20.9 MB in the beginning and 18.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:17,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.11 ms. Allocated memory is still 42.5 MB. Free memory was 18.2 MB in the beginning and 15.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:17,160 INFO L168 Benchmark]: Boogie Preprocessor took 43.73 ms. Allocated memory is still 42.5 MB. Free memory was 15.9 MB in the beginning and 13.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:17,160 INFO L168 Benchmark]: RCFGBuilder took 12737.77 ms. Allocated memory was 42.5 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Free memory was 13.7 MB in the beginning and 23.1 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:17,161 INFO L168 Benchmark]: TraceAbstraction took 47828.90 ms. Allocated memory was 44.6 MB in the beginning and 48.8 MB in the end (delta: 4.2 MB). Free memory was 22.6 MB in the beginning and 26.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:17,161 INFO L168 Benchmark]: Witness Printer took 132.41 ms. Allocated memory is still 48.8 MB. Free memory was 26.1 MB in the beginning and 20.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:17,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 32.0 MB. Free memory was 10.9 MB in the beginning and 10.8 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 389.41 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 20.9 MB in the beginning and 18.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 51.11 ms. Allocated memory is still 42.5 MB. Free memory was 18.2 MB in the beginning and 15.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 43.73 ms. Allocated memory is still 42.5 MB. Free memory was 15.9 MB in the beginning and 13.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 12737.77 ms. Allocated memory was 42.5 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Free memory was 13.7 MB in the beginning and 23.1 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 47828.90 ms. Allocated memory was 44.6 MB in the beginning and 48.8 MB in the end (delta: 4.2 MB). Free memory was 22.6 MB in the beginning and 26.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. * Witness Printer took 132.41 ms. Allocated memory is still 48.8 MB. Free memory was 26.1 MB in the beginning and 20.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 * 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: 33]: Loop Invariant [2020-10-20 00:39:17,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log - InvariantResult [Line: 14]: Loop Invariant [2020-10-20 00:39:17,190 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,190 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,191 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,191 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,191 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,191 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,192 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,192 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,192 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant [2020-10-20 00:39:17,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && ~Pluszero~LONGDOUBLE() == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2020-10-20 00:39:17,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:39:17,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:39:17,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 26.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 71 SDtfs, 48 SDslu, 184 SDs, 0 SdLazy, 113 SolverSat, 5 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 24.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 19.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 147 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 8 QuantifiedInterpolants, 5188 SizeOfPredicates, 15 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...