./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0971.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0971.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6017db04fd0c3d76a17184976602c114f74dffa4 ............................................................................................................................................................................................................................................................................................. 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0971.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6017db04fd0c3d76a17184976602c114f74dffa4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:13:34,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:13:34,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:13:34,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:13:34,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:13:34,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:13:34,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:13:34,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:13:34,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:13:34,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:13:34,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:13:34,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:13:34,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:13:34,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:13:34,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:13:34,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:13:34,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:13:34,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:13:34,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:13:34,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:13:34,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:13:34,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:13:34,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:13:34,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:13:34,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:13:34,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:13:34,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:13:34,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:13:34,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:13:34,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:13:34,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:13:34,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:13:34,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:13:34,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:13:34,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:13:34,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:13:34,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:13:34,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:13:34,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:13:34,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:13:34,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:13:34,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:13:34,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:13:34,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:13:34,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:13:34,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:13:34,781 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:13:34,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:13:34,782 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:13:34,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:13:34,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:13:34,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:13:34,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:13:34,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:13:34,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:13:34,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:13:34,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:13:34,786 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:13:34,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:13:34,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:13:34,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:13:34,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:13:34,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:13:34,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:13:34,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:13:34,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:13:34,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:13:34,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:13:34,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:13:34,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:13:34,790 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(__VERIFIER_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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-11-19 21:13:35,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:13:35,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:13:35,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:13:35,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:13:35,137 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:13:35,138 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-19 21:13:35,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d6f5518/d93916d84d0c48a29698cafb57df0092/FLAGbdf564844 [2019-11-19 21:13:35,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:13:35,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-19 21:13:35,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d6f5518/d93916d84d0c48a29698cafb57df0092/FLAGbdf564844 [2019-11-19 21:13:36,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d6f5518/d93916d84d0c48a29698cafb57df0092 [2019-11-19 21:13:36,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:13:36,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:13:36,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:13:36,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:13:36,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:13:36,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2b0d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36, skipping insertion in model container [2019-11-19 21:13:36,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:13:36,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:13:36,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:13:36,326 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:13:36,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:13:36,478 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:13:36,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36 WrapperNode [2019-11-19 21:13:36,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:13:36,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:13:36,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:13:36,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:13:36,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:13:36,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:13:36,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:13:36,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:13:36,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (1/1) ... [2019-11-19 21:13:36,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:13:36,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:13:36,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:13:36,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:13:36,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (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 [2019-11-19 21:13:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:13:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 21:13:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 21:13:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 21:13:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:13:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:13:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 21:13:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 21:13:37,150 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:13:37,150 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-19 21:13:37,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:37 BoogieIcfgContainer [2019-11-19 21:13:37,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:13:37,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:13:37,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:13:37,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:13:37,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:13:36" (1/3) ... [2019-11-19 21:13:37,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345fcc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:13:37, skipping insertion in model container [2019-11-19 21:13:37,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:36" (2/3) ... [2019-11-19 21:13:37,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345fcc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:13:37, skipping insertion in model container [2019-11-19 21:13:37,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:37" (3/3) ... [2019-11-19 21:13:37,160 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2019-11-19 21:13:37,169 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:13:37,177 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:13:37,187 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:13:37,211 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:13:37,212 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:13:37,212 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:13:37,212 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:13:37,213 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:13:37,213 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:13:37,213 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:13:37,213 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:13:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-19 21:13:37,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 21:13:37,237 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:37,238 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:37,239 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:37,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:37,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-11-19 21:13:37,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:13:37,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473165817] [2019-11-19 21:13:37,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:13:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:13:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:37,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473165817] [2019-11-19 21:13:37,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:13:37,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:13:37,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132928578] [2019-11-19 21:13:37,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:13:37,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:13:37,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:13:37,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:13:37,398 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-19 21:13:37,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:13:37,422 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-11-19 21:13:37,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:13:37,423 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-19 21:13:37,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:13:37,435 INFO L225 Difference]: With dead ends: 86 [2019-11-19 21:13:37,435 INFO L226 Difference]: Without dead ends: 41 [2019-11-19 21:13:37,438 INFO L630 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 [2019-11-19 21:13:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-19 21:13:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-19 21:13:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-19 21:13:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-11-19 21:13:37,472 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-11-19 21:13:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:13:37,473 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-11-19 21:13:37,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:13:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-11-19 21:13:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 21:13:37,474 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:37,474 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:37,474 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:37,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:37,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-11-19 21:13:37,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:13:37,475 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694236974] [2019-11-19 21:13:37,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:13:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:13:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:13:37,568 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:13:37,568 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 21:13:37,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:13:37 BoogieIcfgContainer [2019-11-19 21:13:37,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:13:37,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:13:37,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:13:37,611 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:13:37,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:37" (3/4) ... [2019-11-19 21:13:37,614 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 21:13:37,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:13:37,617 INFO L168 Benchmark]: Toolchain (without parser) took 1569.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -40.2 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:37,618 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:13:37,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -104.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:37,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:13:37,621 INFO L168 Benchmark]: Boogie Preprocessor took 42.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:37,622 INFO L168 Benchmark]: RCFGBuilder took 568.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:37,622 INFO L168 Benchmark]: TraceAbstraction took 456.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:37,623 INFO L168 Benchmark]: Witness Printer took 4.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:13:37,628 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 431.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -104.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 568.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 456.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 115. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L153] float x = 0.0f / 0.0f; [L105] float y, z; [L106] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L109] ieee_float_shape_type gf_u; [L110] gf_u.value = (x) [L111] EXPR gf_u.word [L111] (hx) = gf_u.word [L114] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] float res = __ieee754_log10f(x); [L144] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L157] COND TRUE !isnan_float(res) [L158] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 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=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.1.24-678e011 [2019-11-19 21:13:39,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:13:39,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:13:39,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:13:39,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:13:39,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:13:39,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:13:39,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:13:39,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:13:39,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:13:39,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:13:39,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:13:39,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:13:39,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:13:39,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:13:39,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:13:39,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:13:39,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:13:39,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:13:39,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:13:39,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:13:39,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:13:39,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:13:39,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:13:39,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:13:39,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:13:39,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:13:39,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:13:39,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:13:39,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:13:39,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:13:39,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:13:39,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:13:39,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:13:39,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:13:39,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:13:39,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:13:39,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:13:39,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:13:39,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:13:39,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:13:39,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 21:13:39,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:13:39,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:13:39,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:13:39,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:13:39,798 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:13:39,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:13:39,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:13:39,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:13:39,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:13:39,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:13:39,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:13:39,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:13:39,802 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 21:13:39,802 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 21:13:39,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:13:39,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:13:39,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:13:39,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:13:39,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:13:39,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:13:39,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:13:39,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:13:39,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:13:39,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:13:39,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:13:39,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:13:39,806 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 21:13:39,806 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 21:13:39,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:13:39,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 21:13:39,807 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(__VERIFIER_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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-11-19 21:13:40,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:13:40,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:13:40,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:13:40,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:13:40,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:13:40,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-19 21:13:40,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f01d8805/0d57a35d7277463080401e2499655408/FLAG05556a7a7 [2019-11-19 21:13:40,697 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:13:40,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-19 21:13:40,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f01d8805/0d57a35d7277463080401e2499655408/FLAG05556a7a7 [2019-11-19 21:13:41,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f01d8805/0d57a35d7277463080401e2499655408 [2019-11-19 21:13:41,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:13:41,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:13:41,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:13:41,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:13:41,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:13:41,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2b0d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41, skipping insertion in model container [2019-11-19 21:13:41,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,095 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:13:41,121 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:13:41,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:13:41,373 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:13:41,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:13:41,531 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:13:41,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41 WrapperNode [2019-11-19 21:13:41,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:13:41,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:13:41,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:13:41,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:13:41,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:13:41,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:13:41,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:13:41,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:13:41,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (1/1) ... [2019-11-19 21:13:41,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:13:41,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:13:41,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:13:41,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:13:41,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (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 [2019-11-19 21:13:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:13:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-19 21:13:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 21:13:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:13:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:13:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-19 21:13:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 21:13:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 21:13:57,796 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:13:57,797 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-19 21:13:57,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:57 BoogieIcfgContainer [2019-11-19 21:13:57,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:13:57,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:13:57,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:13:57,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:13:57,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:13:41" (1/3) ... [2019-11-19 21:13:57,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1770f7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:13:57, skipping insertion in model container [2019-11-19 21:13:57,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:41" (2/3) ... [2019-11-19 21:13:57,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1770f7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:13:57, skipping insertion in model container [2019-11-19 21:13:57,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:57" (3/3) ... [2019-11-19 21:13:57,807 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2019-11-19 21:13:57,816 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:13:57,823 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:13:57,835 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:13:57,858 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:13:57,858 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:13:57,858 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:13:57,858 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:13:57,859 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:13:57,859 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:13:57,859 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:13:57,859 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:13:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-19 21:13:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 21:13:57,881 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:57,882 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:57,883 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:57,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:57,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-11-19 21:13:57,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:13:57,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315091815] [2019-11-19 21:13:57,903 INFO L94 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 [2019-11-19 21:13:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:13:58,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 21:13:58,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:13:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:58,262 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:13:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:58,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315091815] [2019-11-19 21:13:58,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:13:58,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 21:13:58,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149699092] [2019-11-19 21:13:58,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:13:58,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:13:58,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:13:58,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:13:58,289 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-19 21:13:58,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:13:58,314 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-11-19 21:13:58,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:13:58,315 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-19 21:13:58,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:13:58,327 INFO L225 Difference]: With dead ends: 86 [2019-11-19 21:13:58,327 INFO L226 Difference]: Without dead ends: 41 [2019-11-19 21:13:58,331 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:13:58,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-19 21:13:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-19 21:13:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-19 21:13:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-11-19 21:13:58,372 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-11-19 21:13:58,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:13:58,373 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-11-19 21:13:58,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:13:58,374 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-11-19 21:13:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 21:13:58,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:58,375 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:58,588 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 21:13:58,589 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:58,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:58,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-11-19 21:13:58,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:13:58,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258945077] [2019-11-19 21:13:58,590 INFO L94 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 [2019-11-19 21:13:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:13:58,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 21:13:58,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:13:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:58,899 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:13:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:58,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258945077] [2019-11-19 21:13:58,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:13:58,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-19 21:13:58,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094961752] [2019-11-19 21:13:58,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:13:58,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:13:58,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:13:58,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:13:58,996 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 6 states. [2019-11-19 21:13:59,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:13:59,637 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-11-19 21:13:59,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:13:59,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-19 21:13:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:13:59,640 INFO L225 Difference]: With dead ends: 51 [2019-11-19 21:13:59,640 INFO L226 Difference]: Without dead ends: 46 [2019-11-19 21:13:59,641 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:13:59,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-19 21:13:59,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2019-11-19 21:13:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-19 21:13:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2019-11-19 21:13:59,652 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 10 [2019-11-19 21:13:59,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:13:59,652 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-11-19 21:13:59,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:13:59,653 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2019-11-19 21:13:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 21:13:59,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:59,654 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:59,870 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 21:13:59,871 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:59,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:59,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2019-11-19 21:13:59,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:13:59,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175059135] [2019-11-19 21:13:59,872 INFO L94 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 [2019-11-19 21:14:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:14:00,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 21:14:00,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:14:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:14:00,264 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:14:05,140 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-11-19 21:14:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:14:05,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175059135] [2019-11-19 21:14:05,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:14:05,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-19 21:14:05,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743118482] [2019-11-19 21:14:05,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-19 21:14:05,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:14:05,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 21:14:05,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-19 21:14:05,158 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand 10 states. [2019-11-19 21:14:08,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:14:08,330 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2019-11-19 21:14:08,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:14:08,332 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-11-19 21:14:08,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:14:08,333 INFO L225 Difference]: With dead ends: 46 [2019-11-19 21:14:08,333 INFO L226 Difference]: Without dead ends: 41 [2019-11-19 21:14:08,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-11-19 21:14:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-19 21:14:08,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-19 21:14:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-19 21:14:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2019-11-19 21:14:08,342 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 11 [2019-11-19 21:14:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:14:08,342 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2019-11-19 21:14:08,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-19 21:14:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2019-11-19 21:14:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:14:08,344 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:14:08,344 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:14:08,546 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 21:14:08,547 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:14:08,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:14:08,548 INFO L82 PathProgramCache]: Analyzing trace with hash -256490092, now seen corresponding path program 1 times [2019-11-19 21:14:08,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:14:08,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444982538] [2019-11-19 21:14:08,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-19 21:14:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:14:09,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 21:14:09,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:14:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:14:09,186 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:14:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:14:09,270 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444982538] [2019-11-19 21:14:09,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:14:09,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-19 21:14:09,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356266399] [2019-11-19 21:14:09,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 21:14:09,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:14:09,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 21:14:09,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:14:09,273 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand 8 states. [2019-11-19 21:14:09,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:14:09,340 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-19 21:14:09,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:14:09,340 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-19 21:14:09,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:14:09,341 INFO L225 Difference]: With dead ends: 41 [2019-11-19 21:14:09,341 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:14:09,342 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-19 21:14:09,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:14:09,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:14:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:14:09,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:14:09,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-11-19 21:14:09,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:14:09,344 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:14:09,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 21:14:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:14:09,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:14:09,545 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-19 21:14:09,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:14:09,755 INFO L440 ceAbstractionStarter]: At program point L93(lines 19 95) the Hoare annotation is: false [2019-11-19 21:14:09,755 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2019-11-19 21:14:09,756 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2019-11-19 21:14:09,756 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:14:09,756 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:14:09,756 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2019-11-19 21:14:09,756 INFO L440 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= ~zero~0 .cse0) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0))) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)))) [2019-11-19 21:14:09,756 INFO L447 ceAbstractionStarter]: At program point L162(lines 146 163) the Hoare annotation is: true [2019-11-19 21:14:09,756 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-19 21:14:09,757 INFO L444 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-11-19 21:14:09,757 INFO L444 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2019-11-19 21:14:09,757 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2019-11-19 21:14:09,757 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2019-11-19 21:14:09,757 INFO L440 ceAbstractionStarter]: At program point L39-2(lines 39 43) the Hoare annotation is: false [2019-11-19 21:14:09,757 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2019-11-19 21:14:09,757 INFO L444 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2019-11-19 21:14:09,757 INFO L440 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2019-11-19 21:14:09,758 INFO L444 ceAbstractionStarter]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2019-11-19 21:14:09,758 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2019-11-19 21:14:09,758 INFO L440 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-11-19 21:14:09,758 INFO L444 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-11-19 21:14:09,758 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2019-11-19 21:14:09,758 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-19 21:14:09,758 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:14:09,759 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2019-11-19 21:14:09,759 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-11-19 21:14:09,759 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2019-11-19 21:14:09,759 INFO L444 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2019-11-19 21:14:09,759 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2019-11-19 21:14:09,759 INFO L440 ceAbstractionStarter]: At program point L140(lines 104 141) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= ~zero~0 .cse0) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0))) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)))) [2019-11-19 21:14:09,760 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:14:09,760 INFO L444 ceAbstractionStarter]: For program point L157(lines 157 160) no Hoare annotation was computed. [2019-11-19 21:14:09,760 INFO L444 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2019-11-19 21:14:09,760 INFO L440 ceAbstractionStarter]: At program point L124-2(lines 124 128) the Hoare annotation is: false [2019-11-19 21:14:09,760 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-11-19 21:14:09,760 INFO L440 ceAbstractionStarter]: At program point L108-2(lines 108 112) the Hoare annotation is: (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (= ULTIMATE.start___ieee754_log10f_~x (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2019-11-19 21:14:09,761 INFO L444 ceAbstractionStarter]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2019-11-19 21:14:09,761 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-19 21:14:09,761 INFO L444 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-11-19 21:14:09,761 INFO L444 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-11-19 21:14:09,761 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2019-11-19 21:14:09,761 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2019-11-19 21:14:09,762 INFO L440 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2019-11-19 21:14:09,762 INFO L444 ceAbstractionStarter]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2019-11-19 21:14:09,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:14:09 BoogieIcfgContainer [2019-11-19 21:14:09,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:14:09,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:14:09,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:14:09,791 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:14:09,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:57" (3/4) ... [2019-11-19 21:14:09,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:14:09,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-19 21:14:09,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-19 21:14:09,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:14:09,837 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2019-11-19 21:14:09,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2019-11-19 21:14:09,930 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:14:09,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:14:09,935 INFO L168 Benchmark]: Toolchain (without parser) took 28857.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 957.7 MB in the beginning and 940.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 168.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:14:09,936 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:14:09,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:14:09,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:14:09,937 INFO L168 Benchmark]: Boogie Preprocessor took 63.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:14:09,938 INFO L168 Benchmark]: RCFGBuilder took 16139.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:14:09,938 INFO L168 Benchmark]: TraceAbstraction took 11990.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.7 MB in the end (delta: 150.0 MB). Peak memory consumption was 150.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:14:09,939 INFO L168 Benchmark]: Witness Printer took 143.54 ms. Allocated memory is still 1.2 GB. Free memory was 946.7 MB in the beginning and 940.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:14:09,941 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 453.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 16139.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11990.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.7 MB in the end (delta: 150.0 MB). Peak memory consumption was 150.0 MB. Max. memory is 11.5 GB. * Witness Printer took 143.54 ms. Allocated memory is still 1.2 GB. Free memory was 946.7 MB in the beginning and 940.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 108]: Loop Invariant [2019-11-19 21:14:09,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2019-11-19 21:14:09,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 104]: Loop Invariant [2019-11-19 21:14:09,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:14:09,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: SAFE, OverallTime: 11.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 151 SDtfs, 175 SDslu, 308 SDs, 0 SdLazy, 70 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 92 HoareAnnotationTreeSize, 10 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 2 QuantifiedInterpolants, 6506 SizeOfPredicates, 19 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...