./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0834.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_0834.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 e8b1416b540dbb813494b01b5a02a679db992735 ...................................................................................................................................................................................................................................................................................................................... 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_0834.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 e8b1416b540dbb813494b01b5a02a679db992735 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:37:24,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:37:24,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:37:24,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:37:24,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:37:24,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:37:24,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:37:24,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:37:24,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:37:24,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:37:24,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:37:24,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:37:24,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:37:24,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:37:24,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:37:24,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:37:24,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:37:24,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:37:24,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:37:24,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:37:24,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:37:24,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:37:24,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:37:24,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:37:24,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:37:24,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:37:24,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:37:24,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:37:24,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:37:24,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:37:24,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:37:24,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:37:24,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:37:24,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:37:24,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:37:24,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:37:24,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:37:24,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:37:24,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:37:24,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:37:24,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:37:24,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:37:24,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:37:24,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:37:24,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:37:24,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:37:24,858 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:37:24,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:37:24,859 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:37:24,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:37:24,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:37:24,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:37:24,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:37:24,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:37:24,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:37:24,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:37:24,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:37:24,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:37:24,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:37:24,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:37:24,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:37:24,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:37:24,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:37:24,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:37:24,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:37:24,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:37:24,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:37:24,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:37:24,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:37:24,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:37:24,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:37:24,865 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 -> e8b1416b540dbb813494b01b5a02a679db992735 [2020-10-20 00:37:25,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:37:25,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:37:25,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:37:25,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:37:25,096 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:37:25,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-10-20 00:37:25,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb4392a0/7f896f9d7fcb49df8cc77292c83b3f8e/FLAG15c0e92c2 [2020-10-20 00:37:25,630 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:37:25,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-10-20 00:37:25,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb4392a0/7f896f9d7fcb49df8cc77292c83b3f8e/FLAG15c0e92c2 [2020-10-20 00:37:26,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb4392a0/7f896f9d7fcb49df8cc77292c83b3f8e [2020-10-20 00:37:26,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:37:26,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:37:26,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:37:26,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:37:26,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:37:26,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccf9cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26, skipping insertion in model container [2020-10-20 00:37:26,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:37:26,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:37:26,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:37:26,375 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:37:26,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:37:26,435 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:37:26,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26 WrapperNode [2020-10-20 00:37:26,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:37:26,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:37:26,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:37:26,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:37:26,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:37:26,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:37:26,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:37:26,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:37:26,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (1/1) ... [2020-10-20 00:37:26,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:37:26,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:37:26,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:37:26,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:37:26,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (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 00:37:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:37:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:37:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:37:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:37:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:37:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:37:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:37:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:37:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:37:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:37:27,116 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:37:27,116 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-20 00:37:27,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:37:27 BoogieIcfgContainer [2020-10-20 00:37:27,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:37:27,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:37:27,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:37:27,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:37:27,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:37:26" (1/3) ... [2020-10-20 00:37:27,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e3d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:37:27, skipping insertion in model container [2020-10-20 00:37:27,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:26" (2/3) ... [2020-10-20 00:37:27,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e3d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:37:27, skipping insertion in model container [2020-10-20 00:37:27,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:37:27" (3/3) ... [2020-10-20 00:37:27,131 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c [2020-10-20 00:37:27,144 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:37:27,151 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:37:27,166 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:37:27,191 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:37:27,191 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:37:27,191 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:37:27,191 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:37:27,191 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:37:27,191 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:37:27,192 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:37:27,192 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:37:27,206 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2020-10-20 00:37:27,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:37:27,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:37:27,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:37:27,224 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:37:27,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:37:27,229 INFO L82 PathProgramCache]: Analyzing trace with hash 619608955, now seen corresponding path program 1 times [2020-10-20 00:37:27,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:37:27,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93024202] [2020-10-20 00:37:27,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:37:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:37:27,402 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 00:37:27,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93024202] [2020-10-20 00:37:27,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:37:27,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:37:27,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376448593] [2020-10-20 00:37:27,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:37:27,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:37:27,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:37:27,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:37:27,426 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2020-10-20 00:37:27,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:37:27,448 INFO L93 Difference]: Finished difference Result 79 states and 125 transitions. [2020-10-20 00:37:27,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:37:27,450 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:37:27,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:37:27,462 INFO L225 Difference]: With dead ends: 79 [2020-10-20 00:37:27,462 INFO L226 Difference]: Without dead ends: 37 [2020-10-20 00:37:27,466 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 00:37:27,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-20 00:37:27,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-20 00:37:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-20 00:37:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-20 00:37:27,508 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 11 [2020-10-20 00:37:27,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:37:27,509 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-20 00:37:27,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:37:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-20 00:37:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:37:27,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:37:27,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:37:27,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:37:27,511 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:37:27,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:37:27,511 INFO L82 PathProgramCache]: Analyzing trace with hash -434363397, now seen corresponding path program 1 times [2020-10-20 00:37:27,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:37:27,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303496707] [2020-10-20 00:37:27,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:37:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:37:27,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:37:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:37:27,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:37:27,787 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:37:27,788 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:37:27,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:37:27,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:37:27 BoogieIcfgContainer [2020-10-20 00:37:27,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:37:27,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:37:27,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:37:27,838 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:37:27,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:37:27" (3/4) ... [2020-10-20 00:37:27,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:37:27,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:37:27,847 INFO L168 Benchmark]: Toolchain (without parser) took 1825.27 ms. Allocated memory was 35.1 MB in the beginning and 46.7 MB in the end (delta: 11.5 MB). Free memory was 14.6 MB in the beginning and 15.6 MB in the end (delta: -1.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:27,848 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:37:27,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.24 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 13.6 MB in the beginning and 21.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:27,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.29 ms. Allocated memory is still 43.5 MB. Free memory was 21.6 MB in the beginning and 19.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:27,850 INFO L168 Benchmark]: Boogie Preprocessor took 38.78 ms. Allocated memory is still 43.5 MB. Free memory was 19.2 MB in the beginning and 17.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:27,851 INFO L168 Benchmark]: RCFGBuilder took 587.75 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 17.0 MB in the beginning and 16.5 MB in the end (delta: 516.7 kB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:27,852 INFO L168 Benchmark]: TraceAbstraction took 718.32 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 16.0 MB in the beginning and 15.9 MB in the end (delta: 117.8 kB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:27,853 INFO L168 Benchmark]: Witness Printer took 5.88 ms. Allocated memory is still 46.7 MB. Free memory was 15.9 MB in the beginning and 15.6 MB in the end (delta: 318.6 kB). Peak memory consumption was 318.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:37:27,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 410.24 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 13.6 MB in the beginning and 21.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 54.29 ms. Allocated memory is still 43.5 MB. Free memory was 21.6 MB in the beginning and 19.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 38.78 ms. Allocated memory is still 43.5 MB. Free memory was 19.2 MB in the beginning and 17.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 587.75 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 17.0 MB in the beginning and 16.5 MB in the end (delta: 516.7 kB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 718.32 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 16.0 MB in the beginning and 15.9 MB in the end (delta: 117.8 kB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Witness Printer took 5.88 ms. Allocated memory is still 46.7 MB. Free memory was 15.9 MB in the beginning and 15.6 MB in the end (delta: 318.6 kB). Peak memory consumption was 318.6 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 someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 52, overapproximation of bitwiseAnd at line 121. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L132] float x = 1.0f / 0.0f; [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L44] ieee_float_shape_type gf_u; [L45] gf_u.value = (x) [L46] EXPR gf_u.word [L46] (sx) = gf_u.word [L48] xsb = (sx >> 31) & 1 [L49] hx = sx & 0x7fffffff VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L51] COND TRUE ((hx) > 0x7f800000L) [L52] return x + x; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L133] float res = __ieee754_expf(x); [L115] __int32_t ix; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] ieee_float_shape_type gf_u; [L118] gf_u.value = (x) [L119] EXPR gf_u.word [L119] (ix) = gf_u.word [L121] ix &= 0x7fffffff [L122] return ((ix) == 0x7f800000L); VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L136] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_0834.c", 3, "reach_error") VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 50 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=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 00:37:30,154 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:37:30,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:37:30,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:37:30,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:37:30,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:37:30,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:37:30,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:37:30,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:37:30,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:37:30,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:37:30,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:37:30,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:37:30,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:37:30,325 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:37:30,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:37:30,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:37:30,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:37:30,328 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:37:30,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:37:30,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:37:30,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:37:30,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:37:30,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:37:30,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:37:30,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:37:30,331 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:37:30,331 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:37:30,332 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:37:30,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:37:30,332 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:37:30,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:37:30,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:37:30,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:37:30,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:37:30,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:37:30,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:37:30,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:37:30,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:37:30,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:37:30,335 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:37:30,335 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:37:30,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:37:30,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:37:30,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:37:30,336 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 -> e8b1416b540dbb813494b01b5a02a679db992735 [2020-10-20 00:37:30,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:37:30,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:37:30,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:37:30,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:37:30,592 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:37:30,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-10-20 00:37:30,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afdd46a37/844e9ad81b42467782f770d5cf13b099/FLAGe061fa75c [2020-10-20 00:37:31,160 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:37:31,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-10-20 00:37:31,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afdd46a37/844e9ad81b42467782f770d5cf13b099/FLAGe061fa75c [2020-10-20 00:37:31,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afdd46a37/844e9ad81b42467782f770d5cf13b099 [2020-10-20 00:37:31,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:37:31,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:37:31,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:37:31,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:37:31,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:37:31,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:37:31" (1/1) ... [2020-10-20 00:37:31,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a52ac18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:31, skipping insertion in model container [2020-10-20 00:37:31,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:37:31" (1/1) ... [2020-10-20 00:37:31,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:37:31,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:37:31,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:37:31,980 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:37:32,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:37:32,052 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:37:32,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32 WrapperNode [2020-10-20 00:37:32,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:37:32,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:37:32,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:37:32,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:37:32,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:37:32,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:37:32,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:37:32,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:37:32,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (1/1) ... [2020-10-20 00:37:32,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:37:32,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:37:32,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:37:32,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:37:32,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (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 00:37:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-10-20 00:37:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:37:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:37:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-20 00:37:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:37:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:37:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:37:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-20 00:37:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:37:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:37:41,047 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:37:41,048 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-20 00:37:41,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:37:41 BoogieIcfgContainer [2020-10-20 00:37:41,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:37:41,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:37:41,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:37:41,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:37:41,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:37:31" (1/3) ... [2020-10-20 00:37:41,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f363863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:37:41, skipping insertion in model container [2020-10-20 00:37:41,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:37:32" (2/3) ... [2020-10-20 00:37:41,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f363863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:37:41, skipping insertion in model container [2020-10-20 00:37:41,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:37:41" (3/3) ... [2020-10-20 00:37:41,059 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c [2020-10-20 00:37:41,071 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:37:41,078 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:37:41,088 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:37:41,111 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:37:41,111 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:37:41,112 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:37:41,112 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:37:41,112 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:37:41,112 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:37:41,112 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:37:41,112 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:37:41,125 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2020-10-20 00:37:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:37:41,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:37:41,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:37:41,133 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:37:41,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:37:41,140 INFO L82 PathProgramCache]: Analyzing trace with hash 619608955, now seen corresponding path program 1 times [2020-10-20 00:37:41,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:37:41,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592932806] [2020-10-20 00:37:41,154 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 00:37:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:37:41,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:37:41,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:37:41,768 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 00:37:41,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:37:41,773 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 00:37:41,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592932806] [2020-10-20 00:37:41,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:37:41,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:37:41,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425978333] [2020-10-20 00:37:41,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:37:41,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:37:41,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:37:41,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:37:41,801 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2020-10-20 00:37:41,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:37:41,825 INFO L93 Difference]: Finished difference Result 79 states and 125 transitions. [2020-10-20 00:37:41,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:37:41,826 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:37:41,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:37:41,839 INFO L225 Difference]: With dead ends: 79 [2020-10-20 00:37:41,839 INFO L226 Difference]: Without dead ends: 37 [2020-10-20 00:37:41,843 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 00:37:41,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-20 00:37:41,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-20 00:37:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-20 00:37:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-20 00:37:41,887 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 11 [2020-10-20 00:37:41,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:37:41,887 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-20 00:37:41,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:37:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-20 00:37:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:37:41,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:37:41,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:37:42,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:37:42,103 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:37:42,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:37:42,104 INFO L82 PathProgramCache]: Analyzing trace with hash -434363397, now seen corresponding path program 1 times [2020-10-20 00:37:42,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:37:42,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449333832] [2020-10-20 00:37:42,106 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 00:37:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:37:42,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:37:42,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:37:42,807 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 00:37:42,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:37:42,921 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 00:37:42,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449333832] [2020-10-20 00:37:42,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:37:42,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:37:42,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562263943] [2020-10-20 00:37:42,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:37:42,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:37:42,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:37:42,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:37:42,926 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-20 00:37:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:37:43,146 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2020-10-20 00:37:43,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:37:43,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-10-20 00:37:43,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:37:43,153 INFO L225 Difference]: With dead ends: 45 [2020-10-20 00:37:43,154 INFO L226 Difference]: Without dead ends: 17 [2020-10-20 00:37:43,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:37:43,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-10-20 00:37:43,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-10-20 00:37:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-20 00:37:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-10-20 00:37:43,161 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 13 [2020-10-20 00:37:43,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:37:43,162 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-10-20 00:37:43,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:37:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-10-20 00:37:43,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 00:37:43,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:37:43,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:37:43,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:37:43,377 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:37:43,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:37:43,378 INFO L82 PathProgramCache]: Analyzing trace with hash -760163818, now seen corresponding path program 1 times [2020-10-20 00:37:43,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:37:43,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001052591] [2020-10-20 00:37:43,380 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 00:37:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:37:44,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-20 00:37:44,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:37:44,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:37:44,254 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 00:37:44,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:37:46,650 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-10-20 00:37:54,661 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-10-20 00:37:54,696 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 00:37:54,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001052591] [2020-10-20 00:37:54,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:37:54,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2020-10-20 00:37:54,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852706653] [2020-10-20 00:37:54,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-20 00:37:54,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:37:54,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-20 00:37:54,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-10-20 00:37:54,702 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 17 states. [2020-10-20 00:37:56,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:37:56,249 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2020-10-20 00:37:56,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 00:37:56,251 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-10-20 00:37:56,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:37:56,252 INFO L225 Difference]: With dead ends: 26 [2020-10-20 00:37:56,252 INFO L226 Difference]: Without dead ends: 17 [2020-10-20 00:37:56,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2020-10-20 00:37:56,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-10-20 00:37:56,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-10-20 00:37:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-20 00:37:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-10-20 00:37:56,258 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2020-10-20 00:37:56,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:37:56,258 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-10-20 00:37:56,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-20 00:37:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-10-20 00:37:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 00:37:56,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:37:56,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:37:56,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:37:56,472 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:37:56,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:37:56,473 INFO L82 PathProgramCache]: Analyzing trace with hash -80105448, now seen corresponding path program 1 times [2020-10-20 00:37:56,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:37:56,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135179215] [2020-10-20 00:37:56,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 00:37:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:37:57,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:37:57,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:37:57,114 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 00:37:57,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:37:57,225 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 00:37:57,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135179215] [2020-10-20 00:37:57,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:37:57,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:37:57,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425362234] [2020-10-20 00:37:57,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:37:57,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:37:57,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:37:57,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:37:57,229 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 8 states. [2020-10-20 00:37:57,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:37:57,359 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-10-20 00:37:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:37:57,359 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-10-20 00:37:57,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:37:57,360 INFO L225 Difference]: With dead ends: 17 [2020-10-20 00:37:57,360 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:37:57,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:37:57,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:37:57,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:37:57,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:37:57,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:37:57,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-20 00:37:57,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:37:57,362 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:37:57,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:37:57,363 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:37:57,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:37:57,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 00:37:57,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:37:57,773 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-10-20 00:37:57,969 INFO L274 CegarLoopResult]: For program point L60(lines 60 75) no Hoare annotation was computed. [2020-10-20 00:37:57,970 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:37:57,970 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:37:57,970 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:37:57,970 INFO L274 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2020-10-20 00:37:57,970 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:37:57,971 INFO L274 CegarLoopResult]: For program point L61-2(lines 61 70) no Hoare annotation was computed. [2020-10-20 00:37:57,971 INFO L274 CegarLoopResult]: For program point L53(lines 53 54) no Hoare annotation was computed. [2020-10-20 00:37:57,971 INFO L274 CegarLoopResult]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2020-10-20 00:37:57,971 INFO L270 CegarLoopResult]: At program point L86-2(lines 86 90) the Hoare annotation is: false [2020-10-20 00:37:57,971 INFO L274 CegarLoopResult]: For program point L136(lines 136 139) no Hoare annotation was computed. [2020-10-20 00:37:57,971 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-20 00:37:57,971 INFO L274 CegarLoopResult]: For program point L54-2(line 54) no Hoare annotation was computed. [2020-10-20 00:37:57,972 INFO L274 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-10-20 00:37:57,972 INFO L274 CegarLoopResult]: For program point L104-1(lines 97 110) no Hoare annotation was computed. [2020-10-20 00:37:57,972 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 108) no Hoare annotation was computed. [2020-10-20 00:37:57,972 INFO L274 CegarLoopResult]: For program point L55(lines 55 56) no Hoare annotation was computed. [2020-10-20 00:37:57,973 INFO L274 CegarLoopResult]: For program point L80(lines 80 83) no Hoare annotation was computed. [2020-10-20 00:37:57,973 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-10-20 00:37:57,973 INFO L274 CegarLoopResult]: For program point L72-2(lines 60 75) no Hoare annotation was computed. [2020-10-20 00:37:57,973 INFO L270 CegarLoopResult]: At program point L122(lines 114 123) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))) (and (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= .cse0 |ULTIMATE.start___ieee754_expf_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (= ULTIMATE.start___ieee754_expf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))) (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)))))) [2020-10-20 00:37:57,974 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-10-20 00:37:57,974 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:37:57,974 INFO L274 CegarLoopResult]: For program point L57(lines 57 58) no Hoare annotation was computed. [2020-10-20 00:37:57,974 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:37:57,975 INFO L274 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-10-20 00:37:57,975 INFO L270 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-10-20 00:37:57,975 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:37:57,975 INFO L274 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-10-20 00:37:57,975 INFO L274 CegarLoopResult]: For program point L91-1(lines 84 97) no Hoare annotation was computed. [2020-10-20 00:37:57,975 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 95) no Hoare annotation was computed. [2020-10-20 00:37:57,976 INFO L274 CegarLoopResult]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2020-10-20 00:37:57,976 INFO L270 CegarLoopResult]: At program point L116-2(lines 116 120) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))) (and (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 |ULTIMATE.start___ieee754_expf_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (= ULTIMATE.start___ieee754_expf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))) (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)))))) [2020-10-20 00:37:57,976 INFO L274 CegarLoopResult]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2020-10-20 00:37:57,976 INFO L277 CegarLoopResult]: At program point L141(lines 125 142) the Hoare annotation is: true [2020-10-20 00:37:57,977 INFO L274 CegarLoopResult]: For program point L84(lines 84 110) no Hoare annotation was computed. [2020-10-20 00:37:57,977 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-20 00:37:57,977 INFO L270 CegarLoopResult]: At program point L109(lines 38 111) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) |ULTIMATE.start___ieee754_expf_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (= ULTIMATE.start___ieee754_expf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))) (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0))))) [2020-10-20 00:37:57,977 INFO L274 CegarLoopResult]: For program point L43-1(lines 43 47) no Hoare annotation was computed. [2020-10-20 00:37:57,978 INFO L270 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_expf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-10-20 00:37:57,978 INFO L274 CegarLoopResult]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2020-10-20 00:37:57,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:57,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:57,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:57,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:57,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:57,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:57,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:57,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:57,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:57,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:57,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:57,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,017 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,017 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,017 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:37:58 BoogieIcfgContainer [2020-10-20 00:37:58,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:37:58,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:37:58,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:37:58,035 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:37:58,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:37:41" (3/4) ... [2020-10-20 00:37:58,040 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:37:58,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-10-20 00:37:58,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 00:37:58,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:37:58,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:37:58,098 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) [2020-10-20 00:37:58,099 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) [2020-10-20 00:37:58,101 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) [2020-10-20 00:37:58,160 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:37:58,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:37:58,162 INFO L168 Benchmark]: Toolchain (without parser) took 26581.59 ms. Allocated memory was 41.4 MB in the beginning and 55.1 MB in the end (delta: 13.6 MB). Free memory was 19.1 MB in the beginning and 29.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:58,162 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 31.5 MB. Free memory was 7.4 MB in the beginning and 7.4 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:37:58,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.19 ms. Allocated memory was 41.4 MB in the beginning and 41.9 MB in the end (delta: 524.3 kB). Free memory was 18.2 MB in the beginning and 13.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:58,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.63 ms. Allocated memory is still 41.9 MB. Free memory was 13.1 MB in the beginning and 10.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:58,164 INFO L168 Benchmark]: Boogie Preprocessor took 60.71 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 10.6 MB in the beginning and 25.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 862.2 kB. Max. memory is 14.3 GB. [2020-10-20 00:37:58,164 INFO L168 Benchmark]: RCFGBuilder took 8879.06 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 25.4 MB in the beginning and 27.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:58,165 INFO L168 Benchmark]: TraceAbstraction took 16983.72 ms. Allocated memory was 45.6 MB in the beginning and 53.5 MB in the end (delta: 7.9 MB). Free memory was 27.2 MB in the beginning and 11.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:37:58,165 INFO L168 Benchmark]: Witness Printer took 125.42 ms. Allocated memory was 53.5 MB in the beginning and 55.1 MB in the end (delta: 1.6 MB). Free memory was 11.7 MB in the beginning and 29.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 915.0 kB. Max. memory is 14.3 GB. [2020-10-20 00:37:58,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 31.5 MB. Free memory was 7.4 MB in the beginning and 7.4 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 461.19 ms. Allocated memory was 41.4 MB in the beginning and 41.9 MB in the end (delta: 524.3 kB). Free memory was 18.2 MB in the beginning and 13.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 55.63 ms. Allocated memory is still 41.9 MB. Free memory was 13.1 MB in the beginning and 10.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 60.71 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 10.6 MB in the beginning and 25.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 862.2 kB. Max. memory is 14.3 GB. * RCFGBuilder took 8879.06 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 25.4 MB in the beginning and 27.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 16983.72 ms. Allocated memory was 45.6 MB in the beginning and 53.5 MB in the end (delta: 7.9 MB). Free memory was 27.2 MB in the beginning and 11.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 14.3 GB. * Witness Printer took 125.42 ms. Allocated memory was 53.5 MB in the beginning and 55.1 MB in the end (delta: 1.6 MB). Free memory was 11.7 MB in the beginning and 29.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 915.0 kB. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 * 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: 114]: Loop Invariant [2020-10-20 00:37:58,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,201 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,201 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant [2020-10-20 00:37:58,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) - InvariantResult [Line: 38]: Loop Invariant [2020-10-20 00:37:58,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:37:58,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-10-20 00:37:58,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant [2020-10-20 00:37:58,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:37:58,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:37:58,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 76 SDtfs, 138 SDslu, 95 SDs, 0 SdLazy, 89 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 242 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 21 QuantifiedInterpolants, 9485 SizeOfPredicates, 27 NumberOfNonLiveVariables, 358 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...