./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0260.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/double_req_bl_0260.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 0cc01638435867410db74a03cf4594734b0f00db .................................................................................................................................................................................................................................................................................................................... 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/double_req_bl_0260.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 0cc01638435867410db74a03cf4594734b0f00db .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:26:02,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:26:02,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:26:02,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:26:02,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:26:02,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:26:02,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:26:02,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:26:02,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:26:02,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:26:02,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:26:02,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:26:02,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:26:02,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:26:02,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:26:02,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:26:02,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:26:02,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:26:02,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:26:02,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:26:02,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:26:02,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:26:02,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:26:02,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:26:02,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:26:02,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:26:02,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:26:02,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:26:02,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:26:02,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:26:02,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:26:02,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:26:02,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:26:02,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:26:02,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:26:02,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:26:02,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:26:02,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:26:02,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:26:02,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:26:02,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:26:02,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:26:02,963 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:26:02,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:26:02,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:26:02,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:26:02,965 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:26:02,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:26:02,966 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:26:02,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:26:02,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:26:02,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:26:02,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:26:02,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:26:02,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:26:02,968 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:26:02,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:26:02,968 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:26:02,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:26:02,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:26:02,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:26:02,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:26:02,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:26:02,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:26:02,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:26:02,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:26:02,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:26:02,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:26:02,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:26:02,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:26:02,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:26:02,976 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 -> 0cc01638435867410db74a03cf4594734b0f00db [2020-10-20 00:26:03,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:26:03,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:26:03,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:26:03,216 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:26:03,216 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:26:03,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0260.c [2020-10-20 00:26:03,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a0cb9fe/54da4fdff3bd4913953e02e6e2263da5/FLAG07c44a8df [2020-10-20 00:26:03,790 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:26:03,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0260.c [2020-10-20 00:26:03,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a0cb9fe/54da4fdff3bd4913953e02e6e2263da5/FLAG07c44a8df [2020-10-20 00:26:04,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a0cb9fe/54da4fdff3bd4913953e02e6e2263da5 [2020-10-20 00:26:04,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:26:04,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:26:04,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:04,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:26:04,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:26:04,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a58e2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04, skipping insertion in model container [2020-10-20 00:26:04,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:26:04,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:26:04,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:04,627 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:26:04,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:04,734 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:26:04,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04 WrapperNode [2020-10-20 00:26:04,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:04,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:04,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:26:04,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:26:04,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:04,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:26:04,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:26:04,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:26:04,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (1/1) ... [2020-10-20 00:26:04,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:26:04,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:26:04,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:26:04,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:26:04,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (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 00:26:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:26:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:26:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:26:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:26:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:26:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:26:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:26:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:26:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:26:05,631 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:26:05,632 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-20 00:26:05,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:05 BoogieIcfgContainer [2020-10-20 00:26:05,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:26:05,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:26:05,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:26:05,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:26:05,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:26:04" (1/3) ... [2020-10-20 00:26:05,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a633bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:05, skipping insertion in model container [2020-10-20 00:26:05,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:04" (2/3) ... [2020-10-20 00:26:05,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a633bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:05, skipping insertion in model container [2020-10-20 00:26:05,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:05" (3/3) ... [2020-10-20 00:26:05,646 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0260.c [2020-10-20 00:26:05,658 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:26:05,666 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:26:05,681 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:26:05,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:26:05,709 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:26:05,709 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:26:05,709 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:26:05,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:26:05,710 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:26:05,710 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:26:05,710 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:26:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-10-20 00:26:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:26:05,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:05,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:05,737 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:05,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:05,743 INFO L82 PathProgramCache]: Analyzing trace with hash 2046089236, now seen corresponding path program 1 times [2020-10-20 00:26:05,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:26:05,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114313730] [2020-10-20 00:26:05,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:26:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:05,929 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 00:26:05,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114313730] [2020-10-20 00:26:05,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:05,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:26:05,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390034027] [2020-10-20 00:26:05,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:26:05,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:26:05,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:26:05,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:05,954 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2020-10-20 00:26:05,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:05,981 INFO L93 Difference]: Finished difference Result 143 states and 233 transitions. [2020-10-20 00:26:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:26:05,982 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:26:05,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:05,994 INFO L225 Difference]: With dead ends: 143 [2020-10-20 00:26:05,995 INFO L226 Difference]: Without dead ends: 69 [2020-10-20 00:26:05,998 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 00:26:06,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-20 00:26:06,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-20 00:26:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-20 00:26:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2020-10-20 00:26:06,039 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 11 [2020-10-20 00:26:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:06,039 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2020-10-20 00:26:06,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:26:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2020-10-20 00:26:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:26:06,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:06,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:06,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:26:06,041 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:06,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:06,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1615635862, now seen corresponding path program 1 times [2020-10-20 00:26:06,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:26:06,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349345428] [2020-10-20 00:26:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:26:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:26:06,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:26:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:26:06,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:26:06,228 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:26:06,229 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:26:06,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:26:06,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:26:06 BoogieIcfgContainer [2020-10-20 00:26:06,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:26:06,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:26:06,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:26:06,279 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:26:06,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:05" (3/4) ... [2020-10-20 00:26:06,284 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:26:06,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:26:06,287 INFO L168 Benchmark]: Toolchain (without parser) took 2101.72 ms. Allocated memory was 41.9 MB in the beginning and 48.2 MB in the end (delta: 6.3 MB). Free memory was 19.5 MB in the beginning and 20.4 MB in the end (delta: -961.7 kB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:06,288 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.8 MB in the end (delta: 62.9 kB). Peak memory consumption was 62.9 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:06,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.57 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 18.7 MB in the beginning and 12.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:06,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.41 ms. Allocated memory was 42.5 MB in the beginning and 43.5 MB in the end (delta: 1.0 MB). Free memory was 12.2 MB in the beginning and 25.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:06,291 INFO L168 Benchmark]: Boogie Preprocessor took 50.87 ms. Allocated memory is still 43.5 MB. Free memory was 25.8 MB in the beginning and 23.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:06,292 INFO L168 Benchmark]: RCFGBuilder took 766.48 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 23.2 MB in the beginning and 17.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:06,293 INFO L168 Benchmark]: TraceAbstraction took 640.06 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 16.8 MB in the beginning and 20.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:06,294 INFO L168 Benchmark]: Witness Printer took 5.29 ms. Allocated memory is still 48.2 MB. Free memory was 20.8 MB in the beginning and 20.4 MB in the end (delta: 387.2 kB). Peak memory consumption was 387.2 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:06,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.8 MB in the end (delta: 62.9 kB). Peak memory consumption was 62.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 544.57 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 18.7 MB in the beginning and 12.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 83.41 ms. Allocated memory was 42.5 MB in the beginning and 43.5 MB in the end (delta: 1.0 MB). Free memory was 12.2 MB in the beginning and 25.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 50.87 ms. Allocated memory is still 43.5 MB. Free memory was 25.8 MB in the beginning and 23.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 766.48 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 23.2 MB in the beginning and 17.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 640.06 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 16.8 MB in the beginning and 20.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. * Witness Printer took 5.29 ms. Allocated memory is still 48.2 MB. Free memory was 20.8 MB in the beginning and 20.4 MB in the end (delta: 387.2 kB). Peak memory consumption was 387.2 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 154, overapproximation of someBinaryArithmeticDOUBLEoperation at line 189, overapproximation of bitwiseAnd at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L148-L162] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] double x = 0.0 / 0.0; [L165] double t, w, p, q, c, r, s; [L166] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L173] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L184] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L185] COND FALSE !(ix < 0x3e400000) [L189] t = x * x [L190-L193] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L194-L195] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L196] w = p / q [L197] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L241] double res = __ieee754_asin(x); [L19] return x != x; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L244] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0260.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 98 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=73occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 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 00:26:08,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:26:08,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:26:08,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:26:08,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:26:08,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:26:08,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:26:08,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:26:08,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:26:08,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:26:08,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:26:08,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:26:08,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:26:08,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:26:08,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:26:08,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:26:08,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:26:08,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:26:08,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:26:08,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:26:08,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:26:08,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:26:08,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:26:08,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:26:08,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:26:08,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:26:08,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:26:08,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:26:08,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:26:08,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:26:08,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:26:08,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:26:08,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:26:08,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:26:08,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:26:08,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:26:08,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:26:08,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:26:08,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:26:08,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:26:08,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:26:08,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:26:08,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:26:08,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:26:08,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:26:08,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:26:08,708 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:26:08,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:26:08,709 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:26:08,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:26:08,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:26:08,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:26:08,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:26:08,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:26:08,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:26:08,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:26:08,711 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:26:08,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:26:08,712 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:26:08,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:26:08,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:26:08,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:26:08,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:26:08,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:26:08,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:26:08,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:26:08,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:26:08,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:26:08,714 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:26:08,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:26:08,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:26:08,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:26:08,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:26:08,715 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 -> 0cc01638435867410db74a03cf4594734b0f00db [2020-10-20 00:26:08,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:26:08,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:26:08,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:26:08,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:26:08,976 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:26:08,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0260.c [2020-10-20 00:26:09,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46b70004/b0a3d7ee9dcf4164968d92bf4290bda7/FLAGc9f2e6da0 [2020-10-20 00:26:09,543 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:26:09,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0260.c [2020-10-20 00:26:09,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46b70004/b0a3d7ee9dcf4164968d92bf4290bda7/FLAGc9f2e6da0 [2020-10-20 00:26:09,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46b70004/b0a3d7ee9dcf4164968d92bf4290bda7 [2020-10-20 00:26:09,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:26:09,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:26:09,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:09,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:26:09,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:26:09,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:09" (1/1) ... [2020-10-20 00:26:09,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71926a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:09, skipping insertion in model container [2020-10-20 00:26:09,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:09" (1/1) ... [2020-10-20 00:26:09,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:26:09,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:26:10,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:10,251 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:26:10,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:10,342 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:26:10,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10 WrapperNode [2020-10-20 00:26:10,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:10,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:10,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:26:10,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:26:10,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:10,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:26:10,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:26:10,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:26:10,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (1/1) ... [2020-10-20 00:26:10,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:26:10,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:26:10,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:26:10,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:26:10,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (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 00:26:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:26:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:26:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:26:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:26:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:26:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:26:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:26:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:26:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:26:31,100 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:26:31,100 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-20 00:26:31,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:31 BoogieIcfgContainer [2020-10-20 00:26:31,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:26:31,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:26:31,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:26:31,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:26:31,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:26:09" (1/3) ... [2020-10-20 00:26:31,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31981349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:31, skipping insertion in model container [2020-10-20 00:26:31,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:10" (2/3) ... [2020-10-20 00:26:31,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31981349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:31, skipping insertion in model container [2020-10-20 00:26:31,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:31" (3/3) ... [2020-10-20 00:26:31,111 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0260.c [2020-10-20 00:26:31,136 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:26:31,146 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:26:31,157 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:26:31,181 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:26:31,181 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:26:31,181 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:26:31,181 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:26:31,182 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:26:31,182 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:26:31,182 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:26:31,182 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:26:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-10-20 00:26:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:26:31,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:31,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:31,213 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:31,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:31,218 INFO L82 PathProgramCache]: Analyzing trace with hash 2046089236, now seen corresponding path program 1 times [2020-10-20 00:26:31,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:31,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698514875] [2020-10-20 00:26:31,232 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 00:26:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:31,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:26:31,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:31,989 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 00:26:31,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:26:31,994 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 00:26:31,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698514875] [2020-10-20 00:26:31,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:31,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:26:31,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486927748] [2020-10-20 00:26:32,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:26:32,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:26:32,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:26:32,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:32,015 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2020-10-20 00:26:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:32,040 INFO L93 Difference]: Finished difference Result 143 states and 233 transitions. [2020-10-20 00:26:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:26:32,042 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:26:32,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:32,052 INFO L225 Difference]: With dead ends: 143 [2020-10-20 00:26:32,052 INFO L226 Difference]: Without dead ends: 69 [2020-10-20 00:26:32,055 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 00:26:32,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-20 00:26:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-20 00:26:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-20 00:26:32,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2020-10-20 00:26:32,095 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 11 [2020-10-20 00:26:32,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:32,096 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2020-10-20 00:26:32,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:26:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2020-10-20 00:26:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:26:32,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:32,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:32,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:26:32,310 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:32,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:32,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1615635862, now seen corresponding path program 1 times [2020-10-20 00:26:32,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:32,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543131392] [2020-10-20 00:26:32,313 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 00:26:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:36,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:26:36,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:36,956 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 00:26:36,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:26:37,110 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 00:26:37,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543131392] [2020-10-20 00:26:37,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:37,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:26:37,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087616209] [2020-10-20 00:26:37,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:26:37,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:26:37,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:26:37,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:26:37,115 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand 8 states. [2020-10-20 00:26:39,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:39,043 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2020-10-20 00:26:39,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:26:39,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-20 00:26:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:39,453 INFO L225 Difference]: With dead ends: 74 [2020-10-20 00:26:39,453 INFO L226 Difference]: Without dead ends: 14 [2020-10-20 00:26:39,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:26:39,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-20 00:26:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-20 00:26:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 00:26:39,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-10-20 00:26:39,460 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2020-10-20 00:26:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:39,460 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-10-20 00:26:39,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:26:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-10-20 00:26:39,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:26:39,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:39,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:39,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:26:39,674 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:39,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:39,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1309739176, now seen corresponding path program 1 times [2020-10-20 00:26:39,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:39,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137767468] [2020-10-20 00:26:39,677 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 00:26:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:40,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 00:26:40,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:40,736 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 00:26:40,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:26:43,191 WARN L838 $PredicateComparison]: unable to prove that (= (let ((.cse0 (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_asin_~x c_ULTIMATE.start___ieee754_asin_~x))) (fp.div c_currentRoundingMode .cse0 .cse0)) (let ((.cse1 (let ((.cse2 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse2 .cse2)))) (fp.div roundNearestTiesToEven .cse1 .cse1))) is different from false [2020-10-20 00:26:45,599 WARN L860 $PredicateComparison]: unable to prove that (= (let ((.cse0 (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_asin_~x c_ULTIMATE.start___ieee754_asin_~x))) (fp.div c_currentRoundingMode .cse0 .cse0)) (let ((.cse1 (let ((.cse2 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse2 .cse2)))) (fp.div roundNearestTiesToEven .cse1 .cse1))) is different from true [2020-10-20 00:26:45,622 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 00:26:45,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137767468] [2020-10-20 00:26:45,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:45,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-10-20 00:26:45,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466185145] [2020-10-20 00:26:45,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 00:26:45,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:26:45,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 00:26:45,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=54, Unknown=2, NotChecked=14, Total=90 [2020-10-20 00:26:45,625 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 10 states. [2020-10-20 00:26:48,030 WARN L860 $PredicateComparison]: unable to prove that (and (= (fp.div c_currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) c_ULTIMATE.start___ieee754_asin_~x) (= (let ((.cse0 (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_asin_~x c_ULTIMATE.start___ieee754_asin_~x))) (fp.div c_currentRoundingMode .cse0 .cse0)) (let ((.cse1 (let ((.cse2 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse2 .cse2)))) (fp.div roundNearestTiesToEven .cse1 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2020-10-20 00:26:48,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:48,098 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-10-20 00:26:48,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 00:26:48,099 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-10-20 00:26:48,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:48,099 INFO L225 Difference]: With dead ends: 14 [2020-10-20 00:26:48,100 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:26:48,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=35, Invalid=80, Unknown=3, NotChecked=38, Total=156 [2020-10-20 00:26:48,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:26:48,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:26:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:26:48,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:26:48,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-20 00:26:48,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:48,106 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:26:48,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 00:26:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:26:48,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:26:48,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:26:48,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:26:51,693 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2020-10-20 00:26:51,803 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-10-20 00:26:51,911 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-10-20 00:26:54,203 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2020-10-20 00:26:54,212 INFO L274 CegarLoopResult]: For program point L184(lines 184 199) no Hoare annotation was computed. [2020-10-20 00:26:54,212 INFO L274 CegarLoopResult]: For program point L184-1(lines 184 199) no Hoare annotation was computed. [2020-10-20 00:26:54,213 INFO L270 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode) (v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0))) (= |ULTIMATE.start___ieee754_asin_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3)) ULTIMATE.start___ieee754_asin_~ix~0) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_asin_~x)) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-10-20 00:26:54,213 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:26:54,213 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:26:54,213 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:26:54,213 INFO L274 CegarLoopResult]: For program point L185(lines 185 198) no Hoare annotation was computed. [2020-10-20 00:26:54,214 INFO L270 CegarLoopResult]: At program point L86-2(lines 86 102) the Hoare annotation is: false [2020-10-20 00:26:54,214 INFO L274 CegarLoopResult]: For program point L86-3(lines 23 131) no Hoare annotation was computed. [2020-10-20 00:26:54,216 INFO L274 CegarLoopResult]: For program point L186(lines 186 187) no Hoare annotation was computed. [2020-10-20 00:26:54,216 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2020-10-20 00:26:54,217 INFO L270 CegarLoopResult]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2020-10-20 00:26:54,217 INFO L274 CegarLoopResult]: For program point L54-4(lines 54 55) no Hoare annotation was computed. [2020-10-20 00:26:54,217 INFO L274 CegarLoopResult]: For program point L104(lines 104 118) no Hoare annotation was computed. [2020-10-20 00:26:54,217 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-10-20 00:26:54,217 INFO L274 CegarLoopResult]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2020-10-20 00:26:54,217 INFO L274 CegarLoopResult]: For program point L89(lines 89 98) no Hoare annotation was computed. [2020-10-20 00:26:54,217 INFO L274 CegarLoopResult]: For program point L89-2(lines 89 98) no Hoare annotation was computed. [2020-10-20 00:26:54,217 INFO L274 CegarLoopResult]: For program point L139(lines 139 144) no Hoare annotation was computed. [2020-10-20 00:26:54,218 INFO L274 CegarLoopResult]: For program point L139-1(lines 132 146) no Hoare annotation was computed. [2020-10-20 00:26:54,218 INFO L274 CegarLoopResult]: For program point L106(lines 106 117) no Hoare annotation was computed. [2020-10-20 00:26:54,218 INFO L274 CegarLoopResult]: For program point L139-2(lines 139 144) no Hoare annotation was computed. [2020-10-20 00:26:54,218 INFO L274 CegarLoopResult]: For program point L40(lines 40 45) no Hoare annotation was computed. [2020-10-20 00:26:54,218 INFO L270 CegarLoopResult]: At program point L73-2(lines 73 83) the Hoare annotation is: false [2020-10-20 00:26:54,218 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 45) no Hoare annotation was computed. [2020-10-20 00:26:54,218 INFO L274 CegarLoopResult]: For program point L73-3(lines 73 83) no Hoare annotation was computed. [2020-10-20 00:26:54,218 INFO L274 CegarLoopResult]: For program point L173(lines 173 199) no Hoare annotation was computed. [2020-10-20 00:26:54,219 INFO L274 CegarLoopResult]: For program point L41(lines 41 44) no Hoare annotation was computed. [2020-10-20 00:26:54,219 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:26:54,219 INFO L274 CegarLoopResult]: For program point L91(lines 91 92) no Hoare annotation was computed. [2020-10-20 00:26:54,219 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 129) no Hoare annotation was computed. [2020-10-20 00:26:54,220 INFO L270 CegarLoopResult]: At program point L124-2(lines 124 129) the Hoare annotation is: false [2020-10-20 00:26:54,220 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 92) no Hoare annotation was computed. [2020-10-20 00:26:54,220 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 129) no Hoare annotation was computed. [2020-10-20 00:26:54,220 INFO L274 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-10-20 00:26:54,220 INFO L274 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-10-20 00:26:54,220 INFO L274 CegarLoopResult]: For program point L75-2(lines 75 79) no Hoare annotation was computed. [2020-10-20 00:26:54,220 INFO L274 CegarLoopResult]: For program point L175-1(lines 175 179) no Hoare annotation was computed. [2020-10-20 00:26:54,221 INFO L270 CegarLoopResult]: At program point L175-2(lines 175 179) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode) (v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0))) (= currentRoundingMode roundNearestTiesToEven) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3)) ULTIMATE.start___ieee754_asin_~ix~0) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_asin_~x))) [2020-10-20 00:26:54,221 INFO L274 CegarLoopResult]: For program point L175-3(lines 173 184) no Hoare annotation was computed. [2020-10-20 00:26:54,221 INFO L274 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-10-20 00:26:54,221 INFO L274 CegarLoopResult]: For program point L94(lines 94 95) no Hoare annotation was computed. [2020-10-20 00:26:54,221 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:26:54,221 INFO L274 CegarLoopResult]: For program point L94-2(lines 94 95) no Hoare annotation was computed. [2020-10-20 00:26:54,221 INFO L274 CegarLoopResult]: For program point L210(lines 210 226) no Hoare annotation was computed. [2020-10-20 00:26:54,222 INFO L274 CegarLoopResult]: For program point L210-2(lines 164 231) no Hoare annotation was computed. [2020-10-20 00:26:54,222 INFO L274 CegarLoopResult]: For program point L111(lines 111 116) no Hoare annotation was computed. [2020-10-20 00:26:54,222 INFO L274 CegarLoopResult]: For program point L62(lines 62 65) no Hoare annotation was computed. [2020-10-20 00:26:54,222 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-10-20 00:26:54,222 INFO L274 CegarLoopResult]: For program point L62-2(lines 62 65) no Hoare annotation was computed. [2020-10-20 00:26:54,222 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: false [2020-10-20 00:26:54,222 INFO L274 CegarLoopResult]: For program point L29-3(lines 23 131) no Hoare annotation was computed. [2020-10-20 00:26:54,222 INFO L274 CegarLoopResult]: For program point L244(lines 244 247) no Hoare annotation was computed. [2020-10-20 00:26:54,222 INFO L270 CegarLoopResult]: At program point L145(lines 132 146) the Hoare annotation is: false [2020-10-20 00:26:54,223 INFO L274 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-10-20 00:26:54,223 INFO L274 CegarLoopResult]: For program point L112-2(lines 112 113) no Hoare annotation was computed. [2020-10-20 00:26:54,223 INFO L270 CegarLoopResult]: At program point L130(lines 23 131) the Hoare annotation is: false [2020-10-20 00:26:54,223 INFO L274 CegarLoopResult]: For program point L48(lines 48 59) no Hoare annotation was computed. [2020-10-20 00:26:54,223 INFO L274 CegarLoopResult]: For program point L48-2(lines 48 59) no Hoare annotation was computed. [2020-10-20 00:26:54,223 INFO L270 CegarLoopResult]: At program point L230(lines 164 231) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode) (v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0))) (= |ULTIMATE.start___ieee754_asin_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3)) ULTIMATE.start___ieee754_asin_~ix~0) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_asin_~x))) [2020-10-20 00:26:54,223 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:26:54,224 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:26:54,224 INFO L270 CegarLoopResult]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2020-10-20 00:26:54,224 INFO L274 CegarLoopResult]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2020-10-20 00:26:54,224 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 220) no Hoare annotation was computed. [2020-10-20 00:26:54,224 INFO L270 CegarLoopResult]: At program point L215-2(lines 215 220) the Hoare annotation is: false [2020-10-20 00:26:54,224 INFO L274 CegarLoopResult]: For program point L215-3(lines 215 220) no Hoare annotation was computed. [2020-10-20 00:26:54,224 INFO L277 CegarLoopResult]: At program point L249(lines 233 250) the Hoare annotation is: true [2020-10-20 00:26:54,224 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 171) no Hoare annotation was computed. [2020-10-20 00:26:54,225 INFO L270 CegarLoopResult]: At program point L167-2(lines 167 171) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_asin_~x))) [2020-10-20 00:26:54,225 INFO L274 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2020-10-20 00:26:54,225 INFO L274 CegarLoopResult]: For program point L167-3(lines 167 171) no Hoare annotation was computed. [2020-10-20 00:26:54,225 INFO L270 CegarLoopResult]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2020-10-20 00:26:54,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:54,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:54,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:54,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:54,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:26:54 BoogieIcfgContainer [2020-10-20 00:26:54,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:26:54,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:26:54,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:26:54,318 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:26:54,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:31" (3/4) ... [2020-10-20 00:26:54,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:26:54,344 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-10-20 00:26:54,345 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 00:26:54,345 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:26:54,346 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:26:54,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) [2020-10-20 00:26:54,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode, v_skolemized_v_prenex_1_3 : bv64 :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) [2020-10-20 00:26:54,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode, v_skolemized_v_prenex_1_3 : bv64 :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) [2020-10-20 00:26:54,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode, v_skolemized_v_prenex_1_3 : bv64 :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && 1bv32 == \result [2020-10-20 00:26:54,414 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:26:54,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:26:54,417 INFO L168 Benchmark]: Toolchain (without parser) took 44506.45 ms. Allocated memory was 39.3 MB in the beginning and 49.8 MB in the end (delta: 10.5 MB). Free memory was 17.2 MB in the beginning and 16.9 MB in the end (delta: 210.9 kB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:54,417 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:54,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.69 ms. Allocated memory was 39.3 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Free memory was 16.3 MB in the beginning and 25.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:54,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.29 ms. Allocated memory is still 41.4 MB. Free memory was 25.7 MB in the beginning and 22.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:54,419 INFO L168 Benchmark]: Boogie Preprocessor took 87.52 ms. Allocated memory is still 41.4 MB. Free memory was 22.8 MB in the beginning and 20.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:54,420 INFO L168 Benchmark]: RCFGBuilder took 20598.09 ms. Allocated memory was 41.4 MB in the beginning and 44.0 MB in the end (delta: 2.6 MB). Free memory was 19.8 MB in the beginning and 9.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:54,421 INFO L168 Benchmark]: TraceAbstraction took 23213.86 ms. Allocated memory was 44.0 MB in the beginning and 49.8 MB in the end (delta: 5.8 MB). Free memory was 9.5 MB in the beginning and 24.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:54,421 INFO L168 Benchmark]: Witness Printer took 97.25 ms. Allocated memory is still 49.8 MB. Free memory was 24.7 MB in the beginning and 17.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:54,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 432.69 ms. Allocated memory was 39.3 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Free memory was 16.3 MB in the beginning and 25.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 64.29 ms. Allocated memory is still 41.4 MB. Free memory was 25.7 MB in the beginning and 22.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 87.52 ms. Allocated memory is still 41.4 MB. Free memory was 22.8 MB in the beginning and 20.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 20598.09 ms. Allocated memory was 41.4 MB in the beginning and 44.0 MB in the end (delta: 2.6 MB). Free memory was 19.8 MB in the beginning and 9.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 23213.86 ms. Allocated memory was 44.0 MB in the beginning and 49.8 MB in the end (delta: 5.8 MB). Free memory was 9.5 MB in the beginning and 24.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. * Witness Printer took 97.25 ms. Allocated memory is still 49.8 MB. Free memory was 24.7 MB in the beginning and 17.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,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[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * 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: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant [2020-10-20 00:26:54,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:54,451 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant [2020-10-20 00:26:54,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode, v_skolemized_v_prenex_1_3 : bv64 :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2020-10-20 00:26:54,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,485 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,485 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,485 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,486 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,486 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode, v_skolemized_v_prenex_1_3 : bv64 :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && 1bv32 == \result - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant [2020-10-20 00:26:54,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:54,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:54,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:54,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:26:54,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode, v_skolemized_v_prenex_1_3 : bv64 :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 51 SDslu, 9 SDs, 0 SdLazy, 20 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 20 NumberOfFragments, 214 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 78 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 5 QuantifiedInterpolants, 5816 SizeOfPredicates, 17 NumberOfNonLiveVariables, 199 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...