./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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_1072a.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 61816a63e70562669051a12493c2c5215c575cb7 ......................................................................................................................................................................................................................................................................................................................................... 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 -ea -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_1072a.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 61816a63e70562669051a12493c2c5215c575cb7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:53:39,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:53:39,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:53:39,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:53:39,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:53:39,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:53:39,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:53:39,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:53:39,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:53:39,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:53:39,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:53:39,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:53:39,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:53:39,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:53:39,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:53:39,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:53:39,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:53:39,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:53:39,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:53:39,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:53:39,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:53:39,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:53:39,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:53:39,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:53:39,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:53:39,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:53:39,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:53:39,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:53:39,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:53:39,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:53:39,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:53:39,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:53:39,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:53:39,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:53:39,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:53:39,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:53:39,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:53:39,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:53:39,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:53:39,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:53:39,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:53:39,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:53:39,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:53:39,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:53:39,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:53:39,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:53:39,822 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:53:39,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:53:39,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:53:39,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:53:39,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:53:39,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:53:39,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:53:39,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:53:39,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:53:39,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:53:39,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:53:39,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:53:39,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:53:39,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:53:39,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:53:39,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:53:39,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:53:39,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:53:39,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:53:39,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:53:39,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:53:39,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:53:39,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:53:39,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:53:39,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:53:39,828 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 -> 61816a63e70562669051a12493c2c5215c575cb7 [2020-07-28 17:53:40,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:53:40,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:53:40,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:53:40,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:53:40,178 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:53:40,178 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2020-07-28 17:53:40,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e3aa7eb/9fbbd8a1b81947de82d314bbf55f7b89/FLAG6497adfe0 [2020-07-28 17:53:40,687 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:53:40,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2020-07-28 17:53:40,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e3aa7eb/9fbbd8a1b81947de82d314bbf55f7b89/FLAG6497adfe0 [2020-07-28 17:53:41,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e3aa7eb/9fbbd8a1b81947de82d314bbf55f7b89 [2020-07-28 17:53:41,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:53:41,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:53:41,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:41,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:53:41,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:53:41,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f89cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41, skipping insertion in model container [2020-07-28 17:53:41,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:53:41,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:53:41,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:41,289 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:53:41,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:41,397 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:53:41,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41 WrapperNode [2020-07-28 17:53:41,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:41,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:41,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:53:41,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:53:41,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:41,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:53:41,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:53:41,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:53:41,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (1/1) ... [2020-07-28 17:53:41,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:53:41,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:53:41,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:53:41,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:53:41,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (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 [2020-07-28 17:53:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:53:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:53:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:53:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:53:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:53:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:53:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:53:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:53:42,015 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:53:42,015 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-07-28 17:53:42,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:42 BoogieIcfgContainer [2020-07-28 17:53:42,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:53:42,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:53:42,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:53:42,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:53:42,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:53:41" (1/3) ... [2020-07-28 17:53:42,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a15bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:42, skipping insertion in model container [2020-07-28 17:53:42,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:41" (2/3) ... [2020-07-28 17:53:42,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a15bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:42, skipping insertion in model container [2020-07-28 17:53:42,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:42" (3/3) ... [2020-07-28 17:53:42,029 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a.c [2020-07-28 17:53:42,040 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:53:42,047 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:53:42,061 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:53:42,081 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:53:42,081 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:53:42,082 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:53:42,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:53:42,082 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:53:42,082 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:53:42,083 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:53:42,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:53:42,098 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-28 17:53:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:53:42,105 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:42,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:42,107 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:42,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:42,113 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2020-07-28 17:53:42,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:53:42,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300589417] [2020-07-28 17:53:42,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:53:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:42,264 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {27#true} is VALID [2020-07-28 17:53:42,265 INFO L280 TraceCheckUtils]: 1: Hoare triple {27#true} havoc main_#res;havoc main_#t~ret8, main_#t~ret9, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0);trunc_float_#in~x := main_~x~0;havoc trunc_float_#res;havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0;trunc_float_~x := trunc_float_#in~x;havoc trunc_float_~signbit~0;havoc trunc_float_~w~0;havoc trunc_float_~exponent_less_127~0; {27#true} is VALID [2020-07-28 17:53:42,266 INFO L280 TraceCheckUtils]: 2: Hoare triple {27#true} assume !true; {28#false} is VALID [2020-07-28 17:53:42,267 INFO L280 TraceCheckUtils]: 3: Hoare triple {28#false} trunc_float_~signbit~0 := (if ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(trunc_float_~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);trunc_float_~exponent_less_127~0 := ~bitwiseAnd(trunc_float_~w~0, 2139095040) / 8388608 - 127; {28#false} is VALID [2020-07-28 17:53:42,267 INFO L280 TraceCheckUtils]: 4: Hoare triple {28#false} assume !(trunc_float_~exponent_less_127~0 < 23); {28#false} is VALID [2020-07-28 17:53:42,268 INFO L280 TraceCheckUtils]: 5: Hoare triple {28#false} assume 255 == trunc_float_~exponent_less_127~0;trunc_float_#res := ~someBinaryArithmeticFLOAToperation(trunc_float_~x, trunc_float_~x); {28#false} is VALID [2020-07-28 17:53:42,268 INFO L280 TraceCheckUtils]: 6: Hoare triple {28#false} main_#t~ret8 := trunc_float_#res;main_~res~0 := main_#t~ret8;havoc main_#t~ret8;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem6, isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {28#false} is VALID [2020-07-28 17:53:42,268 INFO L280 TraceCheckUtils]: 7: Hoare triple {28#false} assume !true; {28#false} is VALID [2020-07-28 17:53:42,269 INFO L280 TraceCheckUtils]: 8: Hoare triple {28#false} isinf_float_~ix~0 := ~bitwiseAnd(isinf_float_~ix~0, 2147483647);isinf_float_#res := (if 2139095040 == isinf_float_~ix~0 then 1 else 0); {28#false} is VALID [2020-07-28 17:53:42,269 INFO L280 TraceCheckUtils]: 9: Hoare triple {28#false} main_#t~ret9 := isinf_float_#res;assume -2147483648 <= main_#t~ret9 && main_#t~ret9 <= 2147483647; {28#false} is VALID [2020-07-28 17:53:42,270 INFO L280 TraceCheckUtils]: 10: Hoare triple {28#false} assume 0 == main_#t~ret9;havoc main_#t~ret9; {28#false} is VALID [2020-07-28 17:53:42,270 INFO L280 TraceCheckUtils]: 11: Hoare triple {28#false} assume !false; {28#false} is VALID [2020-07-28 17:53:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:42,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300589417] [2020-07-28 17:53:42,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:42,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:53:42,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905265942] [2020-07-28 17:53:42,284 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:53:42,285 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:42,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:53:42,321 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:42,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:53:42,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:53:42,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:53:42,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:42,334 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-07-28 17:53:42,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:42,412 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2020-07-28 17:53:42,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:53:42,413 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:53:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 68 transitions. [2020-07-28 17:53:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 68 transitions. [2020-07-28 17:53:42,425 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 68 transitions. [2020-07-28 17:53:42,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:42,598 INFO L225 Difference]: With dead ends: 46 [2020-07-28 17:53:42,598 INFO L226 Difference]: Without dead ends: 21 [2020-07-28 17:53:42,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:42,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-28 17:53:42,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-07-28 17:53:42,634 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:42,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:42,635 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:42,635 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:42,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:42,638 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2020-07-28 17:53:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-07-28 17:53:42,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:42,639 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:42,639 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:42,639 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:42,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:42,642 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2020-07-28 17:53:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-07-28 17:53:42,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:42,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:42,643 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:42,643 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-28 17:53:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2020-07-28 17:53:42,647 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2020-07-28 17:53:42,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:42,647 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2020-07-28 17:53:42,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:53:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-07-28 17:53:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 17:53:42,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:42,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:42,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:53:42,649 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:42,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:42,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2020-07-28 17:53:42,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:53:42,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317785819] [2020-07-28 17:53:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:53:42,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:53:42,776 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 17:53:42,783 INFO L168 Benchmark]: Toolchain (without parser) took 1747.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -102.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:42,784 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:53:42,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:42,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.23 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. [2020-07-28 17:53:42,786 INFO L168 Benchmark]: Boogie Preprocessor took 34.69 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. [2020-07-28 17:53:42,787 INFO L168 Benchmark]: RCFGBuilder took 529.69 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:42,788 INFO L168 Benchmark]: TraceAbstraction took 759.16 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: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:42,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.23 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 34.69 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 529.69 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 759.16 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: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:53:44,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:53:44,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:53:44,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:53:44,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:53:44,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:53:44,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:53:44,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:53:44,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:53:44,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:53:44,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:53:44,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:53:44,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:53:44,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:53:44,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:53:44,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:53:44,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:53:44,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:53:44,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:53:44,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:53:44,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:53:44,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:53:44,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:53:44,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:53:44,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:53:44,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:53:44,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:53:44,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:53:44,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:53:44,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:53:44,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:53:44,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:53:44,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:53:44,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:53:44,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:53:44,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:53:44,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:53:44,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:53:44,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:53:44,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:53:44,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:53:44,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:53:44,832 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:53:44,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:53:44,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:53:44,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:53:44,834 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:53:44,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:53:44,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:53:44,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:53:44,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:53:44,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:53:44,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:53:44,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:53:44,836 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:53:44,837 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:53:44,837 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:53:44,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:53:44,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:53:44,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:53:44,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:53:44,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:53:44,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:53:44,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:53:44,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:53:44,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:53:44,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:53:44,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:53:44,840 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:53:44,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:53:44,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:53:44,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:53:44,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:53:44,842 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 -> 61816a63e70562669051a12493c2c5215c575cb7 [2020-07-28 17:53:45,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:53:45,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:53:45,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:53:45,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:53:45,192 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:53:45,193 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2020-07-28 17:53:45,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cee24ac3/ed8c9e9401034ec98644f5bf7c4dc3d9/FLAG8c2c5f69e [2020-07-28 17:53:45,754 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:53:45,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2020-07-28 17:53:45,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cee24ac3/ed8c9e9401034ec98644f5bf7c4dc3d9/FLAG8c2c5f69e [2020-07-28 17:53:46,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cee24ac3/ed8c9e9401034ec98644f5bf7c4dc3d9 [2020-07-28 17:53:46,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:53:46,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:53:46,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:46,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:53:46,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:53:46,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437a564d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46, skipping insertion in model container [2020-07-28 17:53:46,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:53:46,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:53:46,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:46,344 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:53:46,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:46,470 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:53:46,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46 WrapperNode [2020-07-28 17:53:46,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:46,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:46,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:53:46,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:53:46,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:46,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:53:46,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:53:46,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:53:46,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... [2020-07-28 17:53:46,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:53:46,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:53:46,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:53:46,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:53:46,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:53:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:53:46,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:53:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:53:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:53:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:53:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:53:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:53:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:53:47,078 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:53:47,078 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-07-28 17:53:47,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:47 BoogieIcfgContainer [2020-07-28 17:53:47,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:53:47,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:53:47,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:53:47,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:53:47,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:53:46" (1/3) ... [2020-07-28 17:53:47,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d42c610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:47, skipping insertion in model container [2020-07-28 17:53:47,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:46" (2/3) ... [2020-07-28 17:53:47,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d42c610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:47, skipping insertion in model container [2020-07-28 17:53:47,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:47" (3/3) ... [2020-07-28 17:53:47,090 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a.c [2020-07-28 17:53:47,100 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:53:47,107 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:53:47,120 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:53:47,140 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:53:47,140 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:53:47,140 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:53:47,141 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:53:47,141 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:53:47,141 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:53:47,141 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:53:47,141 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:53:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-28 17:53:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:53:47,163 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:47,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:47,173 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:47,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:47,180 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2020-07-28 17:53:47,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:47,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549661105] [2020-07-28 17:53:47,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:53:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:47,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:53:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:47,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:47,379 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven; {27#true} is VALID [2020-07-28 17:53:47,380 INFO L280 TraceCheckUtils]: 1: Hoare triple {27#true} havoc main_#res;havoc main_#t~ret8, main_#t~ret9, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());trunc_float_#in~x := main_~x~0;havoc trunc_float_#res;havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0;trunc_float_~x := trunc_float_#in~x;havoc trunc_float_~signbit~0;havoc trunc_float_~w~0;havoc trunc_float_~exponent_less_127~0; {27#true} is VALID [2020-07-28 17:53:47,382 INFO L280 TraceCheckUtils]: 2: Hoare triple {27#true} assume !true; {28#false} is VALID [2020-07-28 17:53:47,382 INFO L280 TraceCheckUtils]: 3: Hoare triple {28#false} trunc_float_~signbit~0 := ~bvand32(2147483648bv32, trunc_float_~w~0);trunc_float_~exponent_less_127~0 := ~bvsub32(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 127bv32); {28#false} is VALID [2020-07-28 17:53:47,383 INFO L280 TraceCheckUtils]: 4: Hoare triple {28#false} assume !~bvslt32(trunc_float_~exponent_less_127~0, 23bv32); {28#false} is VALID [2020-07-28 17:53:47,383 INFO L280 TraceCheckUtils]: 5: Hoare triple {28#false} assume 255bv32 == trunc_float_~exponent_less_127~0;trunc_float_#res := ~fp.add~FLOAT(currentRoundingMode, trunc_float_~x, trunc_float_~x); {28#false} is VALID [2020-07-28 17:53:47,384 INFO L280 TraceCheckUtils]: 6: Hoare triple {28#false} main_#t~ret8 := trunc_float_#res;main_~res~0 := main_#t~ret8;havoc main_#t~ret8;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem6, isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {28#false} is VALID [2020-07-28 17:53:47,384 INFO L280 TraceCheckUtils]: 7: Hoare triple {28#false} assume !true; {28#false} is VALID [2020-07-28 17:53:47,384 INFO L280 TraceCheckUtils]: 8: Hoare triple {28#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {28#false} is VALID [2020-07-28 17:53:47,385 INFO L280 TraceCheckUtils]: 9: Hoare triple {28#false} main_#t~ret9 := isinf_float_#res; {28#false} is VALID [2020-07-28 17:53:47,385 INFO L280 TraceCheckUtils]: 10: Hoare triple {28#false} assume 0bv32 == main_#t~ret9;havoc main_#t~ret9; {28#false} is VALID [2020-07-28 17:53:47,386 INFO L280 TraceCheckUtils]: 11: Hoare triple {28#false} assume !false; {28#false} is VALID [2020-07-28 17:53:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:47,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:47,404 INFO L280 TraceCheckUtils]: 11: Hoare triple {28#false} assume !false; {28#false} is VALID [2020-07-28 17:53:47,404 INFO L280 TraceCheckUtils]: 10: Hoare triple {28#false} assume 0bv32 == main_#t~ret9;havoc main_#t~ret9; {28#false} is VALID [2020-07-28 17:53:47,405 INFO L280 TraceCheckUtils]: 9: Hoare triple {28#false} main_#t~ret9 := isinf_float_#res; {28#false} is VALID [2020-07-28 17:53:47,405 INFO L280 TraceCheckUtils]: 8: Hoare triple {28#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {28#false} is VALID [2020-07-28 17:53:47,405 INFO L280 TraceCheckUtils]: 7: Hoare triple {28#false} assume !true; {28#false} is VALID [2020-07-28 17:53:47,406 INFO L280 TraceCheckUtils]: 6: Hoare triple {28#false} main_#t~ret8 := trunc_float_#res;main_~res~0 := main_#t~ret8;havoc main_#t~ret8;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem6, isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {28#false} is VALID [2020-07-28 17:53:47,406 INFO L280 TraceCheckUtils]: 5: Hoare triple {28#false} assume 255bv32 == trunc_float_~exponent_less_127~0;trunc_float_#res := ~fp.add~FLOAT(currentRoundingMode, trunc_float_~x, trunc_float_~x); {28#false} is VALID [2020-07-28 17:53:47,406 INFO L280 TraceCheckUtils]: 4: Hoare triple {28#false} assume !~bvslt32(trunc_float_~exponent_less_127~0, 23bv32); {28#false} is VALID [2020-07-28 17:53:47,407 INFO L280 TraceCheckUtils]: 3: Hoare triple {28#false} trunc_float_~signbit~0 := ~bvand32(2147483648bv32, trunc_float_~w~0);trunc_float_~exponent_less_127~0 := ~bvsub32(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 127bv32); {28#false} is VALID [2020-07-28 17:53:47,408 INFO L280 TraceCheckUtils]: 2: Hoare triple {27#true} assume !true; {28#false} is VALID [2020-07-28 17:53:47,408 INFO L280 TraceCheckUtils]: 1: Hoare triple {27#true} havoc main_#res;havoc main_#t~ret8, main_#t~ret9, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());trunc_float_#in~x := main_~x~0;havoc trunc_float_#res;havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0;trunc_float_~x := trunc_float_#in~x;havoc trunc_float_~signbit~0;havoc trunc_float_~w~0;havoc trunc_float_~exponent_less_127~0; {27#true} is VALID [2020-07-28 17:53:47,408 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven; {27#true} is VALID [2020-07-28 17:53:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:47,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549661105] [2020-07-28 17:53:47,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:47,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:53:47,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392197087] [2020-07-28 17:53:47,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:53:47,420 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:47,424 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:53:47,468 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:47,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:53:47,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:47,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:53:47,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:47,481 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-07-28 17:53:47,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:47,587 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2020-07-28 17:53:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:53:47,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:53:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 68 transitions. [2020-07-28 17:53:47,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 68 transitions. [2020-07-28 17:53:47,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 68 transitions. [2020-07-28 17:53:47,745 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:47,755 INFO L225 Difference]: With dead ends: 46 [2020-07-28 17:53:47,756 INFO L226 Difference]: Without dead ends: 21 [2020-07-28 17:53:47,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-28 17:53:47,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-07-28 17:53:47,796 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:47,796 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:47,797 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:47,797 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:47,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:47,800 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2020-07-28 17:53:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-07-28 17:53:47,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:47,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:47,801 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:47,801 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2020-07-28 17:53:47,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:47,804 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2020-07-28 17:53:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-07-28 17:53:47,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:47,805 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:47,805 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:47,805 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-28 17:53:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2020-07-28 17:53:47,809 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2020-07-28 17:53:47,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:47,810 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2020-07-28 17:53:47,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:53:47,810 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-07-28 17:53:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 17:53:47,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:47,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:48,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:53:48,026 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:48,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:48,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2020-07-28 17:53:48,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:48,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558160001] [2020-07-28 17:53:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-07-28 17:53:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:48,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:53:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:48,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:48,337 INFO L280 TraceCheckUtils]: 0: Hoare triple {226#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven; {226#true} is VALID [2020-07-28 17:53:48,341 INFO L280 TraceCheckUtils]: 1: Hoare triple {226#true} havoc main_#res;havoc main_#t~ret8, main_#t~ret9, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());trunc_float_#in~x := main_~x~0;havoc trunc_float_#res;havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0;trunc_float_~x := trunc_float_#in~x;havoc trunc_float_~signbit~0;havoc trunc_float_~w~0;havoc trunc_float_~exponent_less_127~0; {234#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} is VALID [2020-07-28 17:53:48,346 INFO L280 TraceCheckUtils]: 2: Hoare triple {234#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} call trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(trunc_float_~x, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);call trunc_float_#t~mem0 := read~intINTTYPE4(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);trunc_float_~w~0 := trunc_float_#t~mem0;call write~intFLOATTYPE4(trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);havoc trunc_float_#t~union1;havoc trunc_float_#t~mem0;call ULTIMATE.dealloc(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset);havoc trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset; {238#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))} is VALID [2020-07-28 17:53:48,348 INFO L280 TraceCheckUtils]: 3: Hoare triple {238#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))} goto; {238#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))} is VALID [2020-07-28 17:53:48,352 INFO L280 TraceCheckUtils]: 4: Hoare triple {238#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))} trunc_float_~signbit~0 := ~bvand32(2147483648bv32, trunc_float_~w~0);trunc_float_~exponent_less_127~0 := ~bvsub32(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 127bv32); {245#(exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))))} is VALID [2020-07-28 17:53:48,354 INFO L280 TraceCheckUtils]: 5: Hoare triple {245#(exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))))} assume !~bvslt32(trunc_float_~exponent_less_127~0, 23bv32); {245#(exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))))} is VALID [2020-07-28 17:53:48,366 INFO L280 TraceCheckUtils]: 6: Hoare triple {245#(exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))))} assume 255bv32 == trunc_float_~exponent_less_127~0;trunc_float_#res := ~fp.add~FLOAT(currentRoundingMode, trunc_float_~x, trunc_float_~x); {227#false} is VALID [2020-07-28 17:53:48,367 INFO L280 TraceCheckUtils]: 7: Hoare triple {227#false} main_#t~ret8 := trunc_float_#res;main_~res~0 := main_#t~ret8;havoc main_#t~ret8;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem6, isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {227#false} is VALID [2020-07-28 17:53:48,367 INFO L280 TraceCheckUtils]: 8: Hoare triple {227#false} call isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);call isinf_float_#t~mem6 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem6;call write~intFLOATTYPE4(isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem6;havoc isinf_float_#t~union7;call ULTIMATE.dealloc(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset);havoc isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset; {227#false} is VALID [2020-07-28 17:53:48,367 INFO L280 TraceCheckUtils]: 9: Hoare triple {227#false} goto; {227#false} is VALID [2020-07-28 17:53:48,368 INFO L280 TraceCheckUtils]: 10: Hoare triple {227#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {227#false} is VALID [2020-07-28 17:53:48,368 INFO L280 TraceCheckUtils]: 11: Hoare triple {227#false} main_#t~ret9 := isinf_float_#res; {227#false} is VALID [2020-07-28 17:53:48,368 INFO L280 TraceCheckUtils]: 12: Hoare triple {227#false} assume 0bv32 == main_#t~ret9;havoc main_#t~ret9; {227#false} is VALID [2020-07-28 17:53:48,369 INFO L280 TraceCheckUtils]: 13: Hoare triple {227#false} assume !false; {227#false} is VALID [2020-07-28 17:53:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:48,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:48,415 INFO L280 TraceCheckUtils]: 13: Hoare triple {227#false} assume !false; {227#false} is VALID [2020-07-28 17:53:48,416 INFO L280 TraceCheckUtils]: 12: Hoare triple {227#false} assume 0bv32 == main_#t~ret9;havoc main_#t~ret9; {227#false} is VALID [2020-07-28 17:53:48,416 INFO L280 TraceCheckUtils]: 11: Hoare triple {227#false} main_#t~ret9 := isinf_float_#res; {227#false} is VALID [2020-07-28 17:53:48,416 INFO L280 TraceCheckUtils]: 10: Hoare triple {227#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {227#false} is VALID [2020-07-28 17:53:48,417 INFO L280 TraceCheckUtils]: 9: Hoare triple {227#false} goto; {227#false} is VALID [2020-07-28 17:53:48,417 INFO L280 TraceCheckUtils]: 8: Hoare triple {227#false} call isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);call isinf_float_#t~mem6 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem6;call write~intFLOATTYPE4(isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem6;havoc isinf_float_#t~union7;call ULTIMATE.dealloc(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset);havoc isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset; {227#false} is VALID [2020-07-28 17:53:48,417 INFO L280 TraceCheckUtils]: 7: Hoare triple {227#false} main_#t~ret8 := trunc_float_#res;main_~res~0 := main_#t~ret8;havoc main_#t~ret8;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem6, isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {227#false} is VALID [2020-07-28 17:53:48,418 INFO L280 TraceCheckUtils]: 6: Hoare triple {294#(not (= (_ bv255 32) ULTIMATE.start_trunc_float_~exponent_less_127~0))} assume 255bv32 == trunc_float_~exponent_less_127~0;trunc_float_#res := ~fp.add~FLOAT(currentRoundingMode, trunc_float_~x, trunc_float_~x); {227#false} is VALID [2020-07-28 17:53:48,419 INFO L280 TraceCheckUtils]: 5: Hoare triple {294#(not (= (_ bv255 32) ULTIMATE.start_trunc_float_~exponent_less_127~0))} assume !~bvslt32(trunc_float_~exponent_less_127~0, 23bv32); {294#(not (= (_ bv255 32) ULTIMATE.start_trunc_float_~exponent_less_127~0))} is VALID [2020-07-28 17:53:48,421 INFO L280 TraceCheckUtils]: 4: Hoare triple {226#true} trunc_float_~signbit~0 := ~bvand32(2147483648bv32, trunc_float_~w~0);trunc_float_~exponent_less_127~0 := ~bvsub32(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 127bv32); {294#(not (= (_ bv255 32) ULTIMATE.start_trunc_float_~exponent_less_127~0))} is VALID [2020-07-28 17:53:48,421 INFO L280 TraceCheckUtils]: 3: Hoare triple {226#true} goto; {226#true} is VALID [2020-07-28 17:53:48,422 INFO L280 TraceCheckUtils]: 2: Hoare triple {226#true} call trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(trunc_float_~x, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);call trunc_float_#t~mem0 := read~intINTTYPE4(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);trunc_float_~w~0 := trunc_float_#t~mem0;call write~intFLOATTYPE4(trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);havoc trunc_float_#t~union1;havoc trunc_float_#t~mem0;call ULTIMATE.dealloc(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset);havoc trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset; {226#true} is VALID [2020-07-28 17:53:48,422 INFO L280 TraceCheckUtils]: 1: Hoare triple {226#true} havoc main_#res;havoc main_#t~ret8, main_#t~ret9, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());trunc_float_#in~x := main_~x~0;havoc trunc_float_#res;havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0;trunc_float_~x := trunc_float_#in~x;havoc trunc_float_~signbit~0;havoc trunc_float_~w~0;havoc trunc_float_~exponent_less_127~0; {226#true} is VALID [2020-07-28 17:53:48,422 INFO L280 TraceCheckUtils]: 0: Hoare triple {226#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven; {226#true} is VALID [2020-07-28 17:53:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:48,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558160001] [2020-07-28 17:53:48,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:48,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [] total 6 [2020-07-28 17:53:48,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399981744] [2020-07-28 17:53:48,426 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-28 17:53:48,427 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:48,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 17:53:48,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:48,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 17:53:48,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:48,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 17:53:48,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 17:53:48,517 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 6 states. [2020-07-28 17:53:48,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:48,931 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2020-07-28 17:53:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:53:48,932 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-28 17:53:48,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:53:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2020-07-28 17:53:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:53:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2020-07-28 17:53:48,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 31 transitions. [2020-07-28 17:53:49,121 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:49,122 INFO L225 Difference]: With dead ends: 30 [2020-07-28 17:53:49,123 INFO L226 Difference]: Without dead ends: 16 [2020-07-28 17:53:49,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:53:49,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-07-28 17:53:49,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-07-28 17:53:49,146 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:49,147 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:49,147 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:49,147 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:49,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:49,149 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-07-28 17:53:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-07-28 17:53:49,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:49,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:49,150 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:49,150 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:49,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:49,152 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-07-28 17:53:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-07-28 17:53:49,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:49,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:49,154 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:49,154 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-28 17:53:49,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-07-28 17:53:49,156 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2020-07-28 17:53:49,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:49,156 INFO L479 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-07-28 17:53:49,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 17:53:49,157 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-07-28 17:53:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 17:53:49,158 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:49,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:49,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:53:49,372 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:49,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:49,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1848622454, now seen corresponding path program 1 times [2020-07-28 17:53:49,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:49,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133924442] [2020-07-28 17:53:49,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-07-28 17:53:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:49,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-28 17:53:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:49,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:49,681 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:53:49,770 INFO L280 TraceCheckUtils]: 0: Hoare triple {407#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven; {407#true} is VALID [2020-07-28 17:53:49,776 INFO L280 TraceCheckUtils]: 1: Hoare triple {407#true} havoc main_#res;havoc main_#t~ret8, main_#t~ret9, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());trunc_float_#in~x := main_~x~0;havoc trunc_float_#res;havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0;trunc_float_~x := trunc_float_#in~x;havoc trunc_float_~signbit~0;havoc trunc_float_~w~0;havoc trunc_float_~exponent_less_127~0; {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} is VALID [2020-07-28 17:53:49,777 INFO L280 TraceCheckUtils]: 2: Hoare triple {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} call trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(trunc_float_~x, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);call trunc_float_#t~mem0 := read~intINTTYPE4(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);trunc_float_~w~0 := trunc_float_#t~mem0;call write~intFLOATTYPE4(trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);havoc trunc_float_#t~union1;havoc trunc_float_#t~mem0;call ULTIMATE.dealloc(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset);havoc trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset; {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} is VALID [2020-07-28 17:53:49,777 INFO L280 TraceCheckUtils]: 3: Hoare triple {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} goto; {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} is VALID [2020-07-28 17:53:49,778 INFO L280 TraceCheckUtils]: 4: Hoare triple {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} trunc_float_~signbit~0 := ~bvand32(2147483648bv32, trunc_float_~w~0);trunc_float_~exponent_less_127~0 := ~bvsub32(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 127bv32); {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} is VALID [2020-07-28 17:53:49,779 INFO L280 TraceCheckUtils]: 5: Hoare triple {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} assume !~bvslt32(trunc_float_~exponent_less_127~0, 23bv32); {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} is VALID [2020-07-28 17:53:49,780 INFO L280 TraceCheckUtils]: 6: Hoare triple {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} assume !(255bv32 == trunc_float_~exponent_less_127~0); {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} is VALID [2020-07-28 17:53:49,782 INFO L280 TraceCheckUtils]: 7: Hoare triple {415#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))} trunc_float_#res := trunc_float_~x; {434#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|))} is VALID [2020-07-28 17:53:49,783 INFO L280 TraceCheckUtils]: 8: Hoare triple {434#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|))} main_#t~ret8 := trunc_float_#res;main_~res~0 := main_#t~ret8;havoc main_#t~ret8;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem6, isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {438#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_isinf_float_~x))} is VALID [2020-07-28 17:53:49,790 INFO L280 TraceCheckUtils]: 9: Hoare triple {438#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_isinf_float_~x))} call isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);call isinf_float_#t~mem6 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem6;call write~intFLOATTYPE4(isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem6;havoc isinf_float_#t~union7;call ULTIMATE.dealloc(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset);havoc isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset; {442#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:49,791 INFO L280 TraceCheckUtils]: 10: Hoare triple {442#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {442#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:49,795 INFO L280 TraceCheckUtils]: 11: Hoare triple {442#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {449#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:49,800 INFO L280 TraceCheckUtils]: 12: Hoare triple {449#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} main_#t~ret9 := isinf_float_#res; {453#(= (bvadd |ULTIMATE.start_main_#t~ret9| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:49,802 INFO L280 TraceCheckUtils]: 13: Hoare triple {453#(= (bvadd |ULTIMATE.start_main_#t~ret9| (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == main_#t~ret9;havoc main_#t~ret9; {408#false} is VALID [2020-07-28 17:53:49,802 INFO L280 TraceCheckUtils]: 14: Hoare triple {408#false} assume !false; {408#false} is VALID [2020-07-28 17:53:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:49,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:50,200 INFO L280 TraceCheckUtils]: 14: Hoare triple {408#false} assume !false; {408#false} is VALID [2020-07-28 17:53:50,201 INFO L280 TraceCheckUtils]: 13: Hoare triple {463#(not (= |ULTIMATE.start_main_#t~ret9| (_ bv0 32)))} assume 0bv32 == main_#t~ret9;havoc main_#t~ret9; {408#false} is VALID [2020-07-28 17:53:50,202 INFO L280 TraceCheckUtils]: 12: Hoare triple {467#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} main_#t~ret9 := isinf_float_#res; {463#(not (= |ULTIMATE.start_main_#t~ret9| (_ bv0 32)))} is VALID [2020-07-28 17:53:50,203 INFO L280 TraceCheckUtils]: 11: Hoare triple {471#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32))} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {467#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} is VALID [2020-07-28 17:53:50,204 INFO L280 TraceCheckUtils]: 10: Hoare triple {471#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32))} goto; {471#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:50,216 INFO L280 TraceCheckUtils]: 9: Hoare triple {478#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_isinf_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} call isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);call isinf_float_#t~mem6 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem6;call write~intFLOATTYPE4(isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem6;havoc isinf_float_#t~union7;call ULTIMATE.dealloc(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset);havoc isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset; {471#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:50,218 INFO L280 TraceCheckUtils]: 8: Hoare triple {482#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= |ULTIMATE.start_trunc_float_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} main_#t~ret8 := trunc_float_#res;main_~res~0 := main_#t~ret8;havoc main_#t~ret8;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem6, isinf_float_#t~union7, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {478#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_isinf_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:53:50,220 INFO L280 TraceCheckUtils]: 7: Hoare triple {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} trunc_float_#res := trunc_float_~x; {482#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= |ULTIMATE.start_trunc_float_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:53:50,222 INFO L280 TraceCheckUtils]: 6: Hoare triple {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} assume !(255bv32 == trunc_float_~exponent_less_127~0); {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} is VALID [2020-07-28 17:53:50,222 INFO L280 TraceCheckUtils]: 5: Hoare triple {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} assume !~bvslt32(trunc_float_~exponent_less_127~0, 23bv32); {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} is VALID [2020-07-28 17:53:50,223 INFO L280 TraceCheckUtils]: 4: Hoare triple {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} trunc_float_~signbit~0 := ~bvand32(2147483648bv32, trunc_float_~w~0);trunc_float_~exponent_less_127~0 := ~bvsub32(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 127bv32); {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} is VALID [2020-07-28 17:53:50,224 INFO L280 TraceCheckUtils]: 3: Hoare triple {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} goto; {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} is VALID [2020-07-28 17:53:50,225 INFO L280 TraceCheckUtils]: 2: Hoare triple {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} call trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(trunc_float_~x, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);call trunc_float_#t~mem0 := read~intINTTYPE4(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);trunc_float_~w~0 := trunc_float_#t~mem0;call write~intFLOATTYPE4(trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, 4bv32);havoc trunc_float_#t~union1;havoc trunc_float_#t~mem0;call ULTIMATE.dealloc(trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset);havoc trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset; {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} is VALID [2020-07-28 17:53:50,229 INFO L280 TraceCheckUtils]: 1: Hoare triple {407#true} havoc main_#res;havoc main_#t~ret8, main_#t~ret9, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());trunc_float_#in~x := main_~x~0;havoc trunc_float_#res;havoc trunc_float_#t~mem0, trunc_float_#t~union1, trunc_float_~#gf_u~0.base, trunc_float_~#gf_u~0.offset, trunc_float_#t~mem2, trunc_float_#t~union3, trunc_float_~#sf_u~0.base, trunc_float_~#sf_u~0.offset, trunc_float_#t~mem4, trunc_float_#t~union5, trunc_float_~#sf_u~1.base, trunc_float_~#sf_u~1.offset, trunc_float_~x, trunc_float_~signbit~0, trunc_float_~w~0, trunc_float_~exponent_less_127~0;trunc_float_~x := trunc_float_#in~x;havoc trunc_float_~signbit~0;havoc trunc_float_~w~0;havoc trunc_float_~exponent_less_127~0; {486#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13)) (not (= ULTIMATE.start_trunc_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13))))))} is VALID [2020-07-28 17:53:50,229 INFO L280 TraceCheckUtils]: 0: Hoare triple {407#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven; {407#true} is VALID [2020-07-28 17:53:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:50,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133924442] [2020-07-28 17:53:50,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:50,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-07-28 17:53:50,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403998564] [2020-07-28 17:53:50,233 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-07-28 17:53:50,234 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:50,234 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-28 17:53:50,301 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:50,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-28 17:53:50,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:50,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-28 17:53:50,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-07-28 17:53:50,303 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2020-07-28 17:53:51,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:51,366 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-07-28 17:53:51,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 17:53:51,367 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-07-28 17:53:51,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-28 17:53:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2020-07-28 17:53:51,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-28 17:53:51,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2020-07-28 17:53:51,370 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 15 transitions. [2020-07-28 17:53:51,433 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:51,433 INFO L225 Difference]: With dead ends: 16 [2020-07-28 17:53:51,433 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:53:51,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-07-28 17:53:51,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:53:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:53:51,435 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:51,435 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:51,435 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:51,435 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:51,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:51,436 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:53:51,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:51,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:51,436 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:51,436 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:51,436 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:51,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:51,437 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:53:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:51,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:51,437 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:51,437 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:51,437 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:53:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:53:51,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-07-28 17:53:51,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:51,438 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:53:51,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-28 17:53:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:51,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:51,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:53:51,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:53:51,961 INFO L264 CegarLoopResult]: At program point L52(lines 44 53) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_isinf_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|)) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))))) [2020-07-28 17:53:51,961 INFO L264 CegarLoopResult]: At program point L40(lines 12 41) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))))) [2020-07-28 17:53:51,961 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:53:51,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:53:51,962 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:53:51,962 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2020-07-28 17:53:51,962 INFO L268 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2020-07-28 17:53:51,962 INFO L264 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2020-07-28 17:53:51,963 INFO L268 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-07-28 17:53:51,963 INFO L268 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-07-28 17:53:51,963 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:53:51,963 INFO L268 CegarLoopResult]: For program point L21(lines 21 39) no Hoare annotation was computed. [2020-07-28 17:53:51,963 INFO L268 CegarLoopResult]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2020-07-28 17:53:51,963 INFO L268 CegarLoopResult]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2020-07-28 17:53:51,964 INFO L264 CegarLoopResult]: At program point L46-2(lines 46 50) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_isinf_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))))) [2020-07-28 17:53:51,964 INFO L268 CegarLoopResult]: For program point L46-3(lines 46 50) no Hoare annotation was computed. [2020-07-28 17:53:51,964 INFO L271 CegarLoopResult]: At program point L71(lines 55 72) the Hoare annotation is: true [2020-07-28 17:53:51,964 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-28 17:53:51,964 INFO L268 CegarLoopResult]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2020-07-28 17:53:51,964 INFO L264 CegarLoopResult]: At program point L30-2(lines 30 34) the Hoare annotation is: false [2020-07-28 17:53:51,964 INFO L268 CegarLoopResult]: For program point L22(lines 22 35) no Hoare annotation was computed. [2020-07-28 17:53:51,964 INFO L268 CegarLoopResult]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2020-07-28 17:53:51,965 INFO L264 CegarLoopResult]: At program point L14-2(lines 14 18) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) [2020-07-28 17:53:51,965 INFO L268 CegarLoopResult]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2020-07-28 17:53:51,968 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:53:51,968 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:53:51,969 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-28 17:53:51,969 WARN L170 areAnnotationChecker]: L14-3 has no Hoare annotation [2020-07-28 17:53:51,969 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-28 17:53:51,969 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-28 17:53:51,969 WARN L170 areAnnotationChecker]: L14-3 has no Hoare annotation [2020-07-28 17:53:51,969 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 17:53:51,969 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 17:53:51,970 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-28 17:53:51,970 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-28 17:53:51,970 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 17:53:51,970 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 17:53:51,970 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-28 17:53:51,971 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-28 17:53:51,971 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2020-07-28 17:53:51,971 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-28 17:53:51,976 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-28 17:53:51,976 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-28 17:53:51,976 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-28 17:53:51,976 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2020-07-28 17:53:51,976 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2020-07-28 17:53:51,976 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-28 17:53:51,977 WARN L170 areAnnotationChecker]: L46-3 has no Hoare annotation [2020-07-28 17:53:51,977 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-28 17:53:51,977 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-28 17:53:51,977 WARN L170 areAnnotationChecker]: L46-3 has no Hoare annotation [2020-07-28 17:53:51,977 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:53:51,978 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:53:51,978 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:53:51,978 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-28 17:53:51,978 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-28 17:53:51,978 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:53:51,979 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:53:51,979 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:53:51,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:51,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:51,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:51,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:51,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:51,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:51,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,015 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,016 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,016 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,016 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:53:52 BoogieIcfgContainer [2020-07-28 17:53:52,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:53:52,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:53:52,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:53:52,032 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:53:52,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:47" (3/4) ... [2020-07-28 17:53:52,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:53:52,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-07-28 17:53:52,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-07-28 17:53:52,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:53:52,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) [2020-07-28 17:53:52,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) [2020-07-28 17:53:52,082 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) [2020-07-28 17:53:52,082 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) [2020-07-28 17:53:52,120 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:53:52,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:53:52,123 INFO L168 Benchmark]: Toolchain (without parser) took 6025.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 952.2 MB in the beginning and 786.7 MB in the end (delta: 165.5 MB). Peak memory consumption was 278.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:52,124 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:53:52,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:52,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.39 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:52,126 INFO L168 Benchmark]: Boogie Preprocessor took 48.38 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. [2020-07-28 17:53:52,127 INFO L168 Benchmark]: RCFGBuilder took 507.27 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: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:52,128 INFO L168 Benchmark]: TraceAbstraction took 4948.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 786.7 MB in the end (delta: 282.2 MB). Peak memory consumption was 282.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:52,128 INFO L168 Benchmark]: Witness Printer took 88.43 ms. Allocated memory is still 1.1 GB. Free memory is still 786.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:53:52,131 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.39 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.38 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. * RCFGBuilder took 507.27 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: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4948.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 786.7 MB in the end (delta: 282.2 MB). Peak memory consumption was 282.2 MB. Max. memory is 11.5 GB. * Witness Printer took 88.43 ms. Allocated memory is still 1.1 GB. Free memory is still 786.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: 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: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant [2020-07-28 17:53:52,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant [2020-07-28 17:53:52,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2020-07-28 17:53:52,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) - InvariantResult [Line: 44]: Loop Invariant [2020-07-28 17:53:52,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:52,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-07-28 17:53:52,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 57 SDslu, 56 SDs, 0 SdLazy, 45 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 227 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 23 QuantifiedInterpolants, 5586 SizeOfPredicates, 18 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...