./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ce03a3dd69e51494a274d069b94d6f99b72863 ........................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ce03a3dd69e51494a274d069b94d6f99b72863 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:10:29,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:10:29,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:10:29,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:10:29,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:10:29,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:10:29,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:10:29,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:10:29,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:10:29,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:10:29,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:10:29,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:10:29,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:10:29,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:10:29,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:10:29,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:10:29,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:10:29,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:10:29,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:10:29,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:10:29,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:10:29,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:10:29,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:10:29,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:10:29,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:10:29,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:10:29,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:10:29,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:10:29,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:10:29,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:10:29,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:10:29,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:10:29,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:10:29,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:10:29,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:10:29,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:10:29,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:10:29,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:10:29,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:10:29,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:10:29,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:10:29,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:10:29,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:10:29,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:10:29,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:10:29,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:10:29,863 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:10:29,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:10:29,864 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:10:29,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:10:29,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:10:29,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:10:29,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:10:29,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:10:29,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:10:29,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:10:29,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:10:29,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:10:29,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:10:29,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:10:29,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:10:29,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:10:29,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:10:29,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:10:29,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:10:29,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:10:29,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:10:29,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:10:29,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:10:29,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:10:29,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:10:29,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ce03a3dd69e51494a274d069b94d6f99b72863 [2020-10-24 15:10:30,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:10:30,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:10:30,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:10:30,384 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:10:30,385 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:10:30,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-10-24 15:10:30,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b8d6fe77/1dd1260ed40a4a4bbd03f8eff66a7dd0/FLAG026b490bb [2020-10-24 15:10:31,211 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:10:31,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-10-24 15:10:31,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b8d6fe77/1dd1260ed40a4a4bbd03f8eff66a7dd0/FLAG026b490bb [2020-10-24 15:10:31,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b8d6fe77/1dd1260ed40a4a4bbd03f8eff66a7dd0 [2020-10-24 15:10:31,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:10:31,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:10:31,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:31,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:10:31,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:10:31,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2dd6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31, skipping insertion in model container [2020-10-24 15:10:31,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,576 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:10:31,594 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:10:31,796 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:31,807 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:10:31,838 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:31,856 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:10:31,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31 WrapperNode [2020-10-24 15:10:31,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:31,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:31,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:10:31,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:10:31,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:31,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:10:31,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:10:31,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:10:31,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... [2020-10-24 15:10:31,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:10:31,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:10:31,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:10:31,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:10:31,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:10:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:10:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:10:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:10:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:10:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:10:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:10:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:10:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:10:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:10:32,648 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:10:32,649 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 15:10:32,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:32 BoogieIcfgContainer [2020-10-24 15:10:32,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:10:32,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:10:32,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:10:32,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:10:32,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:10:31" (1/3) ... [2020-10-24 15:10:32,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc14985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:10:32, skipping insertion in model container [2020-10-24 15:10:32,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:31" (2/3) ... [2020-10-24 15:10:32,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc14985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:10:32, skipping insertion in model container [2020-10-24 15:10:32,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:32" (3/3) ... [2020-10-24 15:10:32,666 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c.c [2020-10-24 15:10:32,681 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:10:32,688 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:10:32,707 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:10:32,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:10:32,755 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:10:32,755 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:10:32,756 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:10:32,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:10:32,756 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:10:32,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:10:32,757 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:10:32,776 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-24 15:10:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:10:32,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:32,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:32,793 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:32,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:32,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1945115165, now seen corresponding path program 1 times [2020-10-24 15:10:32,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:10:32,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112126366] [2020-10-24 15:10:32,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:10:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:10:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:33,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112126366] [2020-10-24 15:10:33,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:10:33,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:10:33,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940153548] [2020-10-24 15:10:33,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:10:33,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:10:33,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:10:33,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:10:33,072 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-10-24 15:10:33,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:10:33,102 INFO L93 Difference]: Finished difference Result 49 states and 73 transitions. [2020-10-24 15:10:33,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:10:33,108 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 15:10:33,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:10:33,135 INFO L225 Difference]: With dead ends: 49 [2020-10-24 15:10:33,140 INFO L226 Difference]: Without dead ends: 22 [2020-10-24 15:10:33,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:10:33,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-24 15:10:33,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-24 15:10:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-24 15:10:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-10-24 15:10:33,195 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 10 [2020-10-24 15:10:33,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:10:33,196 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-10-24 15:10:33,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:10:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2020-10-24 15:10:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:10:33,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:33,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:33,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:10:33,200 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:33,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:33,204 INFO L82 PathProgramCache]: Analyzing trace with hash -390192032, now seen corresponding path program 1 times [2020-10-24 15:10:33,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:10:33,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329718252] [2020-10-24 15:10:33,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:10:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:10:33,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:10:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:10:33,383 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:10:33,413 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:10:33,413 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:10:33,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:10:33,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:10:33 BoogieIcfgContainer [2020-10-24 15:10:33,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:10:33,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:10:33,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:10:33,451 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:10:33,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:32" (3/4) ... [2020-10-24 15:10:33,457 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:10:33,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:10:33,460 INFO L168 Benchmark]: Toolchain (without parser) took 1908.66 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 32.3 MB in the beginning and 35.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:33,461 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 39.8 MB. Free memory is still 24.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:33,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.87 ms. Allocated memory is still 48.2 MB. Free memory was 31.7 MB in the beginning and 21.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:33,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.89 ms. Allocated memory is still 48.2 MB. Free memory was 21.5 MB in the beginning and 31.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:33,464 INFO L168 Benchmark]: Boogie Preprocessor took 38.09 ms. Allocated memory is still 48.2 MB. Free memory was 31.9 MB in the beginning and 30.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:33,465 INFO L168 Benchmark]: RCFGBuilder took 695.73 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 24.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:33,466 INFO L168 Benchmark]: TraceAbstraction took 795.40 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 35.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:33,466 INFO L168 Benchmark]: Witness Printer took 6.46 ms. Allocated memory is still 58.7 MB. Free memory was 35.9 MB in the beginning and 35.5 MB in the end (delta: 314.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:33,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 39.8 MB. Free memory is still 24.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 300.87 ms. Allocated memory is still 48.2 MB. Free memory was 31.7 MB in the beginning and 21.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.89 ms. Allocated memory is still 48.2 MB. Free memory was 21.5 MB in the beginning and 31.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.09 ms. Allocated memory is still 48.2 MB. Free memory was 31.9 MB in the beginning and 30.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 695.73 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 24.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 795.40 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 35.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.46 ms. Allocated memory is still 58.7 MB. Free memory was 35.9 MB in the beginning and 35.5 MB in the end (delta: 314.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAT_SMToperation at line 40, overapproximation of bitwiseAnd at line 21, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 68. Possible FailurePath: [L64] float x = 0.0f; [L15] __int32_t signbit, w, exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L21] signbit = w & 0x80000000 [L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L23] COND FALSE !(exponent_less_127 < 23) [L39] COND TRUE exponent_less_127 == 255 [L40] return x + x; [L65] float res = trunc_float(x); [L68] EXPR res == 0.0f && __signbit_float(res) == 0 [L68] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L4] __assert_fail("0", "float_req_bl_1072c.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:10:36,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:10:36,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:10:36,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:10:36,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:10:36,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:10:36,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:10:36,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:10:36,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:10:36,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:10:36,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:10:36,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:10:36,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:10:36,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:10:36,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:10:36,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:10:36,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:10:36,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:10:36,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:10:36,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:10:36,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:10:36,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:10:36,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:10:36,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:10:36,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:10:36,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:10:36,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:10:36,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:10:36,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:10:36,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:10:36,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:10:36,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:10:36,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:10:36,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:10:36,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:10:36,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:10:36,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:10:36,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:10:36,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:10:36,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:10:36,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:10:36,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:10:36,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:10:36,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:10:36,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:10:36,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:10:36,676 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:10:36,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:10:36,677 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:10:36,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:10:36,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:10:36,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:10:36,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:10:36,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:10:36,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:10:36,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:10:36,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:10:36,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:10:36,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:10:36,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:10:36,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:10:36,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:10:36,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:10:36,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:10:36,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:10:36,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:10:36,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:10:36,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:10:36,683 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:10:36,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:10:36,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:10:36,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:10:36,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:10:36,685 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ce03a3dd69e51494a274d069b94d6f99b72863 [2020-10-24 15:10:37,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:10:37,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:10:37,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:10:37,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:10:37,209 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:10:37,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-10-24 15:10:37,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef5326960/725671471e074d58b331d3774949ddae/FLAG06a55217c [2020-10-24 15:10:37,944 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:10:37,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-10-24 15:10:37,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef5326960/725671471e074d58b331d3774949ddae/FLAG06a55217c [2020-10-24 15:10:38,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef5326960/725671471e074d58b331d3774949ddae [2020-10-24 15:10:38,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:10:38,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:10:38,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:38,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:10:38,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:10:38,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5000950c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38, skipping insertion in model container [2020-10-24 15:10:38,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,342 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:10:38,362 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:10:38,594 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:38,613 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:10:38,646 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:38,671 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:10:38,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38 WrapperNode [2020-10-24 15:10:38,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:38,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:38,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:10:38,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:10:38,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:38,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:10:38,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:10:38,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:10:38,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... [2020-10-24 15:10:38,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:10:38,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:10:38,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:10:38,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:10:38,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:10:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:10:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:10:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 15:10:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 15:10:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:10:38,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:10:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-24 15:10:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-10-24 15:10:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 15:10:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:10:39,602 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:10:39,602 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 15:10:39,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:39 BoogieIcfgContainer [2020-10-24 15:10:39,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:10:39,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:10:39,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:10:39,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:10:39,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:10:38" (1/3) ... [2020-10-24 15:10:39,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4ccb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:10:39, skipping insertion in model container [2020-10-24 15:10:39,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:38" (2/3) ... [2020-10-24 15:10:39,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4ccb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:10:39, skipping insertion in model container [2020-10-24 15:10:39,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:39" (3/3) ... [2020-10-24 15:10:39,615 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c.c [2020-10-24 15:10:39,627 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:10:39,633 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:10:39,648 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:10:39,674 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:10:39,675 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:10:39,675 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:10:39,675 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:10:39,675 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:10:39,676 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:10:39,676 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:10:39,676 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:10:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-24 15:10:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:10:39,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:39,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:39,701 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:39,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:39,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1945115165, now seen corresponding path program 1 times [2020-10-24 15:10:39,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:10:39,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303995847] [2020-10-24 15:10:39,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 15:10:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:10:39,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 15:10:39,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:10:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:39,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:10:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:39,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303995847] [2020-10-24 15:10:39,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:10:39,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 15:10:39,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610625098] [2020-10-24 15:10:39,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:10:39,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:10:39,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:10:39,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:10:39,969 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-10-24 15:10:39,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:10:39,991 INFO L93 Difference]: Finished difference Result 49 states and 73 transitions. [2020-10-24 15:10:39,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:10:39,993 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 15:10:39,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:10:40,004 INFO L225 Difference]: With dead ends: 49 [2020-10-24 15:10:40,004 INFO L226 Difference]: Without dead ends: 22 [2020-10-24 15:10:40,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:10:40,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-24 15:10:40,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-24 15:10:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-24 15:10:40,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-10-24 15:10:40,049 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 10 [2020-10-24 15:10:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:10:40,050 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-10-24 15:10:40,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:10:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2020-10-24 15:10:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:10:40,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:40,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:40,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:10:40,271 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:40,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:40,275 INFO L82 PathProgramCache]: Analyzing trace with hash -390192032, now seen corresponding path program 1 times [2020-10-24 15:10:40,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:10:40,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173326531] [2020-10-24 15:10:40,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 15:10:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:10:40,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-24 15:10:40,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:10:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:40,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:10:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:40,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173326531] [2020-10-24 15:10:40,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:10:40,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-24 15:10:40,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359642366] [2020-10-24 15:10:40,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 15:10:40,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:10:40,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 15:10:40,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 15:10:40,635 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand 8 states. [2020-10-24 15:10:40,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:10:40,782 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2020-10-24 15:10:40,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 15:10:40,783 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-24 15:10:40,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:10:40,784 INFO L225 Difference]: With dead ends: 32 [2020-10-24 15:10:40,784 INFO L226 Difference]: Without dead ends: 19 [2020-10-24 15:10:40,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-24 15:10:40,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-24 15:10:40,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-24 15:10:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-24 15:10:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-10-24 15:10:40,793 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 11 [2020-10-24 15:10:40,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:10:40,793 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-10-24 15:10:40,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 15:10:40,794 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-10-24 15:10:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 15:10:40,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:40,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:41,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 15:10:41,015 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:41,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:41,017 INFO L82 PathProgramCache]: Analyzing trace with hash -675711906, now seen corresponding path program 1 times [2020-10-24 15:10:41,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:10:41,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271317263] [2020-10-24 15:10:41,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 15:10:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:10:41,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-24 15:10:41,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:10:41,177 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:10:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:41,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:10:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:41,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271317263] [2020-10-24 15:10:41,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:10:41,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-24 15:10:41,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938325030] [2020-10-24 15:10:41,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 15:10:41,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:10:41,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 15:10:41,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-24 15:10:41,332 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-10-24 15:10:41,677 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-10-24 15:10:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:10:41,721 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-10-24 15:10:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 15:10:41,722 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-24 15:10:41,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:10:41,723 INFO L225 Difference]: With dead ends: 22 [2020-10-24 15:10:41,723 INFO L226 Difference]: Without dead ends: 19 [2020-10-24 15:10:41,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-24 15:10:41,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-24 15:10:41,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-24 15:10:41,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-24 15:10:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-10-24 15:10:41,731 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-10-24 15:10:41,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:10:41,732 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-10-24 15:10:41,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 15:10:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-10-24 15:10:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-24 15:10:41,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:41,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:41,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 15:10:41,948 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:41,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:41,949 INFO L82 PathProgramCache]: Analyzing trace with hash 438125939, now seen corresponding path program 1 times [2020-10-24 15:10:41,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:10:41,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912119435] [2020-10-24 15:10:41,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-24 15:10:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:10:42,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-24 15:10:42,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:10:42,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:10:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:42,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:10:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:42,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912119435] [2020-10-24 15:10:42,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:10:42,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-10-24 15:10:42,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224662622] [2020-10-24 15:10:42,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 15:10:42,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:10:42,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 15:10:42,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-24 15:10:42,546 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 18 states. [2020-10-24 15:10:43,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:10:43,034 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-24 15:10:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-24 15:10:43,037 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2020-10-24 15:10:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:10:43,037 INFO L225 Difference]: With dead ends: 19 [2020-10-24 15:10:43,037 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 15:10:43,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-24 15:10:43,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 15:10:43,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 15:10:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 15:10:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 15:10:43,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-24 15:10:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:10:43,040 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 15:10:43,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 15:10:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 15:10:43,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 15:10:43,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 15:10:43,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 15:10:43,495 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-10-24 15:10:43,642 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2020-10-24 15:10:43,835 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-10-24 15:10:43,842 INFO L274 CegarLoopResult]: For program point L23(lines 23 41) no Hoare annotation was computed. [2020-10-24 15:10:43,842 INFO L274 CegarLoopResult]: For program point L23-1(lines 23 41) no Hoare annotation was computed. [2020-10-24 15:10:43,842 INFO L274 CegarLoopResult]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2020-10-24 15:10:43,842 INFO L270 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +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))))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~x) ((_ extract 30 23) ULTIMATE.start___signbit_float_~x) ((_ extract 22 0) ULTIMATE.start___signbit_float_~x))) |ULTIMATE.start_main_#t~short20| (= (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_#res|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_#res|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_#res|)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_main_~res~0) ((_ extract 30 23) ULTIMATE.start_main_~res~0) ((_ extract 22 0) ULTIMATE.start_main_~res~0)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~x) ((_ extract 30 23) ULTIMATE.start_trunc_float_~x) ((_ extract 22 0) ULTIMATE.start_trunc_float_~x)) (_ +zero 8 24)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~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))))) (= (_ +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)))) [2020-10-24 15:10:43,843 INFO L274 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2020-10-24 15:10:43,843 INFO L277 CegarLoopResult]: At program point L73(lines 57 74) the Hoare annotation is: true [2020-10-24 15:10:43,843 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 15:10:43,843 INFO L274 CegarLoopResult]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2020-10-24 15:10:43,843 INFO L270 CegarLoopResult]: At program point L32-2(lines 32 36) the Hoare annotation is: false [2020-10-24 15:10:43,844 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 15:10:43,844 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 15:10:43,844 INFO L274 CegarLoopResult]: For program point L24(lines 24 37) no Hoare annotation was computed. [2020-10-24 15:10:43,844 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-24 15:10:43,845 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-10-24 15:10:43,845 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~x) ((_ extract 30 23) ULTIMATE.start_trunc_float_~x) ((_ extract 22 0) ULTIMATE.start_trunc_float_~x)) (_ +zero 8 24)) [2020-10-24 15:10:43,845 INFO L274 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2020-10-24 15:10:43,845 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-24 15:10:43,845 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-10-24 15:10:43,845 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 15:10:43,845 INFO L270 CegarLoopResult]: At program point L54(lines 45 55) the Hoare annotation is: (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +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))))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~x) ((_ extract 30 23) ULTIMATE.start___signbit_float_~x) ((_ extract 22 0) ULTIMATE.start___signbit_float_~x))) |ULTIMATE.start_main_#t~short20| (= (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_#res|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_#res|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_#res|)) (_ +zero 8 24)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1))) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= (fp ((_ extract 31 31) ULTIMATE.start_main_~res~0) ((_ extract 30 23) ULTIMATE.start_main_~res~0) ((_ extract 22 0) ULTIMATE.start_main_~res~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~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))))) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~x) ((_ extract 30 23) ULTIMATE.start_trunc_float_~x) ((_ extract 22 0) ULTIMATE.start_trunc_float_~x)) (_ +zero 8 24)) (= (_ +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)))) [2020-10-24 15:10:43,846 INFO L270 CegarLoopResult]: At program point L42(lines 14 43) the Hoare annotation is: (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +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))))) (= (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_#res|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_#res|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_#res|)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~x) ((_ extract 30 23) ULTIMATE.start_trunc_float_~x) ((_ extract 22 0) ULTIMATE.start_trunc_float_~x)) (_ +zero 8 24)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~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))))) (= (_ +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)))) [2020-10-24 15:10:43,846 INFO L274 CegarLoopResult]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2020-10-24 15:10:43,846 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 30) the Hoare annotation is: (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +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))))) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~x) ((_ extract 30 23) ULTIMATE.start_trunc_float_~x) ((_ extract 22 0) ULTIMATE.start_trunc_float_~x)) (_ +zero 8 24)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~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))))) (= (_ +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)))) [2020-10-24 15:10:43,846 INFO L274 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-10-24 15:10:43,846 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-24 15:10:43,847 INFO L274 CegarLoopResult]: For program point L68-2(lines 68 71) no Hoare annotation was computed. [2020-10-24 15:10:43,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,878 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,878 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,878 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,879 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,879 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,879 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,879 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:43,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:10:43 BoogieIcfgContainer [2020-10-24 15:10:43,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:10:43,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:10:43,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:10:43,914 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:10:43,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:39" (3/4) ... [2020-10-24 15:10:43,920 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 15:10:43,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-10-24 15:10:43,935 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-24 15:10:43,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-24 15:10:43,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 15:10:43,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~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])) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~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]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-10-24 15:10:43,971 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~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])) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~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]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-10-24 15:10:43,972 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~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])) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~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]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-10-24 15:10:43,973 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~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])) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == 0bv32) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~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]))) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-10-24 15:10:44,001 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 15:10:44,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:10:44,004 INFO L168 Benchmark]: Toolchain (without parser) took 5692.21 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.5 MB in the beginning and 24.9 MB in the end (delta: 582.5 kB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:44,005 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 39.8 MB. Free memory was 25.9 MB in the beginning and 25.9 MB in the end (delta: 21.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:44,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.17 ms. Allocated memory is still 48.2 MB. Free memory was 24.8 MB in the beginning and 24.9 MB in the end (delta: -142.7 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:44,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.97 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 23.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:44,007 INFO L168 Benchmark]: Boogie Preprocessor took 43.17 ms. Allocated memory is still 48.2 MB. Free memory was 23.2 MB in the beginning and 21.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:44,007 INFO L168 Benchmark]: RCFGBuilder took 826.70 ms. Allocated memory is still 48.2 MB. Free memory was 21.5 MB in the beginning and 27.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:44,008 INFO L168 Benchmark]: TraceAbstraction took 4303.83 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.7 MB in the beginning and 28.3 MB in the end (delta: -1.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:44,011 INFO L168 Benchmark]: Witness Printer took 90.82 ms. Allocated memory is still 58.7 MB. Free memory was 28.3 MB in the beginning and 24.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:44,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 39.8 MB. Free memory was 25.9 MB in the beginning and 25.9 MB in the end (delta: 21.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 355.17 ms. Allocated memory is still 48.2 MB. Free memory was 24.8 MB in the beginning and 24.9 MB in the end (delta: -142.7 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.97 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 23.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.17 ms. Allocated memory is still 48.2 MB. Free memory was 23.2 MB in the beginning and 21.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 826.70 ms. Allocated memory is still 48.2 MB. Free memory was 21.5 MB in the beginning and 27.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4303.83 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.7 MB in the beginning and 28.3 MB in the end (delta: -1.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 90.82 ms. Allocated memory is still 58.7 MB. Free memory was 28.3 MB in the beginning and 24.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 14]: Loop Invariant [2020-10-24 15:10:44,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~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])) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~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]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 45]: Loop Invariant [2020-10-24 15:10:44,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((((((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~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])) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == 0bv32) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~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]))) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 26]: Loop Invariant [2020-10-24 15:10:44,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~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])) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~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]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant [2020-10-24 15:10:44,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-24 15:10:44,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~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])) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~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]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 63 SDtfs, 163 SDslu, 77 SDs, 0 SdLazy, 77 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 67 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 308 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 157 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 16 QuantifiedInterpolants, 7531 SizeOfPredicates, 25 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...