./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f74c33939d6ebdd47f54a7ea6c5a26a39a444e84 ................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f74c33939d6ebdd47f54a7ea6c5a26a39a444e84 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 16:17:01,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:17:01,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:17:01,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:17:01,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:17:01,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:17:01,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:17:01,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:17:01,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:17:01,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:17:01,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:17:01,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:17:01,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:17:01,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:17:01,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:17:01,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:17:01,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:17:01,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:17:01,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:17:02,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:17:02,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:17:02,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:17:02,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:17:02,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:17:02,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:17:02,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:17:02,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:17:02,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:17:02,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:17:02,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:17:02,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:17:02,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:17:02,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:17:02,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:17:02,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:17:02,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:17:02,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:17:02,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:17:02,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:17:02,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:17:02,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:17:02,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 16:17:02,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:17:02,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:17:02,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:17:02,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:17:02,095 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:17:02,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:17:02,095 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:17:02,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 16:17:02,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:17:02,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:17:02,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:17:02,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:17:02,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:17:02,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:17:02,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:17:02,099 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:17:02,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:17:02,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:17:02,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:17:02,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:17:02,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:17:02,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:17:02,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:17:02,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:17:02,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:17:02,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 16:17:02,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 16:17:02,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:17:02,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:17:02,103 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f74c33939d6ebdd47f54a7ea6c5a26a39a444e84 [2020-12-02 16:17:02,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:17:02,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:17:02,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:17:02,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:17:02,593 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:17:02,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c [2020-12-02 16:17:02,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcb85ef13/1b8de69ec3c94f848be63391ccd3f4a8/FLAG848489d53 [2020-12-02 16:17:03,458 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:17:03,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c [2020-12-02 16:17:03,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcb85ef13/1b8de69ec3c94f848be63391ccd3f4a8/FLAG848489d53 [2020-12-02 16:17:03,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcb85ef13/1b8de69ec3c94f848be63391ccd3f4a8 [2020-12-02 16:17:03,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:17:03,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:17:03,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:17:03,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:17:03,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:17:03,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:03" (1/1) ... [2020-12-02 16:17:03,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8fa1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:03, skipping insertion in model container [2020-12-02 16:17:03,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:03" (1/1) ... [2020-12-02 16:17:03,807 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:17:03,828 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:17:04,084 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c[1751,1764] [2020-12-02 16:17:04,088 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:17:04,101 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:17:04,134 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c[1751,1764] [2020-12-02 16:17:04,136 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:17:04,158 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:17:04,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04 WrapperNode [2020-12-02 16:17:04,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:17:04,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:17:04,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:17:04,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:17:04,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:17:04,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:17:04,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:17:04,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:17:04,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... [2020-12-02 16:17:04,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:17:04,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:17:04,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:17:04,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:17:04,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:17:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 16:17:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:17:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 16:17:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 16:17:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 16:17:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:17:04,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:17:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 16:17:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:17:04,922 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:17:04,923 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 16:17:04,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:04 BoogieIcfgContainer [2020-12-02 16:17:04,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:17:04,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:17:04,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:17:04,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:17:04,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:17:03" (1/3) ... [2020-12-02 16:17:04,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396e0e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:04, skipping insertion in model container [2020-12-02 16:17:04,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:04" (2/3) ... [2020-12-02 16:17:04,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396e0e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:04, skipping insertion in model container [2020-12-02 16:17:04,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:04" (3/3) ... [2020-12-02 16:17:04,937 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2020-12-02 16:17:04,958 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:17:04,963 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:17:04,981 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:17:05,014 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:17:05,014 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:17:05,014 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:17:05,015 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:17:05,015 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:17:05,015 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:17:05,016 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:17:05,016 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:17:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-02 16:17:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 16:17:05,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:05,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:05,045 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:05,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:05,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2020-12-02 16:17:05,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 16:17:05,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806365760] [2020-12-02 16:17:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 16:17:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:17:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:05,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806365760] [2020-12-02 16:17:05,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:17:05,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 16:17:05,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590780261] [2020-12-02 16:17:05,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:17:05,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 16:17:05,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:17:05,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:17:05,300 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-02 16:17:05,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:17:05,326 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2020-12-02 16:17:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:17:05,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 16:17:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:17:05,341 INFO L225 Difference]: With dead ends: 58 [2020-12-02 16:17:05,342 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 16:17:05,346 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 [2020-12-02 16:17:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 16:17:05,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 16:17:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 16:17:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-12-02 16:17:05,396 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2020-12-02 16:17:05,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:17:05,397 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-12-02 16:17:05,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:17:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-12-02 16:17:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 16:17:05,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:05,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:05,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 16:17:05,400 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:05,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:05,402 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2020-12-02 16:17:05,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 16:17:05,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120515048] [2020-12-02 16:17:05,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 16:17:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 16:17:05,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 16:17:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 16:17:05,584 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 16:17:05,618 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 16:17:05,618 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 16:17:05,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 16:17:05,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:17:05 BoogieIcfgContainer [2020-12-02 16:17:05,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 16:17:05,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 16:17:05,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 16:17:05,660 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 16:17:05,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:04" (3/4) ... [2020-12-02 16:17:05,665 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 16:17:05,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 16:17:05,668 INFO L168 Benchmark]: Toolchain (without parser) took 1886.98 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.3 MB in the beginning and 31.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:05,669 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 41.9 MB. Free memory is still 21.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:17:05,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.61 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 29.7 MB in the end (delta: -585.8 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:05,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.92 ms. Allocated memory is still 52.4 MB. Free memory was 29.7 MB in the beginning and 28.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:05,672 INFO L168 Benchmark]: Boogie Preprocessor took 80.14 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 26.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:05,673 INFO L168 Benchmark]: RCFGBuilder took 626.72 ms. Allocated memory is still 52.4 MB. Free memory was 26.6 MB in the beginning and 32.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:05,674 INFO L168 Benchmark]: TraceAbstraction took 731.39 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 32.2 MB in the beginning and 31.4 MB in the end (delta: 781.4 kB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:05,675 INFO L168 Benchmark]: Witness Printer took 5.87 ms. Allocated memory is still 62.9 MB. Free memory was 31.4 MB in the beginning and 31.1 MB in the end (delta: 282.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:17:05,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 41.9 MB. Free memory is still 21.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.61 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 29.7 MB in the end (delta: -585.8 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.92 ms. Allocated memory is still 52.4 MB. Free memory was 29.7 MB in the beginning and 28.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.14 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 26.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 626.72 ms. Allocated memory is still 52.4 MB. Free memory was 26.6 MB in the beginning and 32.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 731.39 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 32.2 MB in the beginning and 31.4 MB in the end (delta: 781.4 kB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.87 ms. Allocated memory is still 62.9 MB. Free memory was 31.4 MB in the beginning and 31.1 MB in the end (delta: 282.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 83]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 23, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 82. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L78] float x = 0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [huge_ceil=1000000000000000000000000000000] [L79] float res = ceil_float(x); [L82] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_ceil=1000000000000000000000000000000] [L82] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L83] reach_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 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: 39 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=30occurred 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 0.2.0-2880296 [2020-12-02 16:17:08,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:17:08,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:17:08,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:17:08,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:17:08,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:17:08,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:17:08,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:17:08,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:17:08,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:17:08,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:17:08,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:17:08,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:17:08,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:17:08,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:17:08,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:17:08,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:17:08,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:17:08,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:17:08,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:17:08,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:17:08,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:17:08,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:17:08,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:17:08,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:17:08,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:17:08,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:17:08,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:17:08,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:17:08,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:17:08,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:17:08,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:17:08,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:17:08,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:17:08,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:17:08,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:17:08,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:17:08,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:17:08,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:17:08,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:17:08,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:17:08,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 16:17:08,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:17:08,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:17:08,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:17:08,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:17:08,678 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:17:08,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:17:08,679 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:17:08,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:17:08,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:17:08,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:17:08,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:17:08,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:17:08,683 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 16:17:08,683 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 16:17:08,683 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:17:08,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:17:08,684 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:17:08,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:17:08,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:17:08,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:17:08,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:17:08,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:17:08,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:17:08,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:17:08,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:17:08,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:17:08,687 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 16:17:08,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 16:17:08,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:17:08,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:17:08,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 16:17:08,689 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f74c33939d6ebdd47f54a7ea6c5a26a39a444e84 [2020-12-02 16:17:09,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:17:09,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:17:09,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:17:09,202 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:17:09,203 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:17:09,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c [2020-12-02 16:17:09,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ebbbd0e1/4f145b0099844e4e81388817ef51f788/FLAGc56eaa6df [2020-12-02 16:17:10,039 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:17:10,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c [2020-12-02 16:17:10,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ebbbd0e1/4f145b0099844e4e81388817ef51f788/FLAGc56eaa6df [2020-12-02 16:17:10,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ebbbd0e1/4f145b0099844e4e81388817ef51f788 [2020-12-02 16:17:10,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:17:10,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:17:10,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:17:10,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:17:10,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:17:10,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:10,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443d1668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10, skipping insertion in model container [2020-12-02 16:17:10,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:10,471 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:17:10,545 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:17:10,858 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c[1751,1764] [2020-12-02 16:17:10,862 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:17:10,891 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:17:10,924 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c[1751,1764] [2020-12-02 16:17:10,926 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:17:10,949 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:17:10,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10 WrapperNode [2020-12-02 16:17:10,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:17:10,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:17:10,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:17:10,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:17:10,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:10,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:11,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:17:11,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:17:11,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:17:11,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:17:11,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:11,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:11,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:11,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:11,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:11,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:11,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... [2020-12-02 16:17:11,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:17:11,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:17:11,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:17:11,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:17:11,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:17:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 16:17:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 16:17:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:17:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 16:17:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 16:17:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:17:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:17:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 16:17:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 16:17:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 16:17:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:17:11,906 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:17:11,907 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 16:17:11,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:11 BoogieIcfgContainer [2020-12-02 16:17:11,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:17:11,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:17:11,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:17:11,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:17:11,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:17:10" (1/3) ... [2020-12-02 16:17:11,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33813329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:11, skipping insertion in model container [2020-12-02 16:17:11,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:10" (2/3) ... [2020-12-02 16:17:11,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33813329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:11, skipping insertion in model container [2020-12-02 16:17:11,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:11" (3/3) ... [2020-12-02 16:17:11,919 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2020-12-02 16:17:11,933 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:17:11,937 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:17:11,949 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:17:11,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:17:11,981 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:17:11,981 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:17:11,982 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:17:11,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:17:11,982 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:17:11,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:17:11,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:17:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-02 16:17:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 16:17:12,002 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:12,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:12,004 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:12,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:12,010 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2020-12-02 16:17:12,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:17:12,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716488291] [2020-12-02 16:17:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 16:17:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:17:12,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 16:17:12,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:17:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:12,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:17:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:12,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716488291] [2020-12-02 16:17:12,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:17:12,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 16:17:12,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895090048] [2020-12-02 16:17:12,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:17:12,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:17:12,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:17:12,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:17:12,360 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-02 16:17:12,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:17:12,382 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2020-12-02 16:17:12,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:17:12,384 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 16:17:12,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:17:12,398 INFO L225 Difference]: With dead ends: 58 [2020-12-02 16:17:12,398 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 16:17:12,402 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 [2020-12-02 16:17:12,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 16:17:12,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 16:17:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 16:17:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-12-02 16:17:12,442 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2020-12-02 16:17:12,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:17:12,443 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-12-02 16:17:12,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:17:12,443 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-12-02 16:17:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 16:17:12,444 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:12,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:12,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 16:17:12,660 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:12,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:12,662 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2020-12-02 16:17:12,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:17:12,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846058699] [2020-12-02 16:17:12,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 16:17:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:17:12,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-02 16:17:12,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:17:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:12,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:17:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:13,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846058699] [2020-12-02 16:17:13,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:17:13,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-02 16:17:13,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30690383] [2020-12-02 16:17:13,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 16:17:13,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:17:13,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 16:17:13,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-02 16:17:13,072 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 8 states. [2020-12-02 16:17:13,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:17:13,367 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-12-02 16:17:13,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 16:17:13,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-12-02 16:17:13,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:17:13,372 INFO L225 Difference]: With dead ends: 51 [2020-12-02 16:17:13,372 INFO L226 Difference]: Without dead ends: 34 [2020-12-02 16:17:13,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-12-02 16:17:13,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-02 16:17:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2020-12-02 16:17:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-02 16:17:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-12-02 16:17:13,381 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 11 [2020-12-02 16:17:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:17:13,382 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-12-02 16:17:13,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 16:17:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-12-02 16:17:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 16:17:13,383 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:13,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:13,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 16:17:13,598 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:13,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:13,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2020-12-02 16:17:13,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:17:13,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658348] [2020-12-02 16:17:13,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 16:17:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:17:13,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 16:17:13,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:17:14,207 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 16:17:14,536 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 16:17:19,116 WARN L197 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 49 [2020-12-02 16:17:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:19,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:17:24,554 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-02 16:17:29,968 WARN L197 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-02 16:17:29,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:29,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658348] [2020-12-02 16:17:29,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:17:29,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 16:17:29,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407014829] [2020-12-02 16:17:29,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 16:17:29,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:17:29,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 16:17:29,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-02 16:17:29,983 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 8 states. [2020-12-02 16:17:40,418 WARN L197 SmtUtils]: Spent 8.86 s on a formula simplification that was a NOOP. DAG size: 57 [2020-12-02 16:17:44,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:17:44,309 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-12-02 16:17:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 16:17:44,329 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-12-02 16:17:44,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:17:44,330 INFO L225 Difference]: With dead ends: 34 [2020-12-02 16:17:44,330 INFO L226 Difference]: Without dead ends: 22 [2020-12-02 16:17:44,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-12-02 16:17:44,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-12-02 16:17:44,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-12-02 16:17:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-02 16:17:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-12-02 16:17:44,341 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15 [2020-12-02 16:17:44,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:17:44,342 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-12-02 16:17:44,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 16:17:44,342 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-12-02 16:17:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 16:17:44,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:44,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:44,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 16:17:44,559 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:44,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:44,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1572128049, now seen corresponding path program 1 times [2020-12-02 16:17:44,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:17:44,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045365361] [2020-12-02 16:17:44,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 16:17:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:17:44,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-02 16:17:44,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:17:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:44,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:17:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:45,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045365361] [2020-12-02 16:17:45,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:17:45,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-02 16:17:45,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281738682] [2020-12-02 16:17:45,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 16:17:45,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:17:45,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 16:17:45,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-02 16:17:45,007 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 8 states. [2020-12-02 16:17:45,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:17:45,189 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-12-02 16:17:45,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 16:17:45,190 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-12-02 16:17:45,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:17:45,191 INFO L225 Difference]: With dead ends: 34 [2020-12-02 16:17:45,191 INFO L226 Difference]: Without dead ends: 22 [2020-12-02 16:17:45,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-02 16:17:45,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-12-02 16:17:45,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-12-02 16:17:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-02 16:17:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2020-12-02 16:17:45,203 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2020-12-02 16:17:45,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:17:45,204 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2020-12-02 16:17:45,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 16:17:45,204 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2020-12-02 16:17:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 16:17:45,204 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:45,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:45,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 16:17:45,409 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:45,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:45,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1913492621, now seen corresponding path program 1 times [2020-12-02 16:17:45,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:17:45,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443517499] [2020-12-02 16:17:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 16:17:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:17:45,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 16:17:45,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:17:45,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:17:45,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:17:45,719 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 16:17:45,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:45,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:17:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:45,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [443517499] [2020-12-02 16:17:45,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:17:45,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-12-02 16:17:45,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155190367] [2020-12-02 16:17:45,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 16:17:45,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:17:45,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 16:17:45,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-02 16:17:45,934 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 9 states. [2020-12-02 16:17:46,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:17:46,175 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-12-02 16:17:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 16:17:46,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-12-02 16:17:46,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:17:46,177 INFO L225 Difference]: With dead ends: 25 [2020-12-02 16:17:46,177 INFO L226 Difference]: Without dead ends: 22 [2020-12-02 16:17:46,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-12-02 16:17:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-12-02 16:17:46,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-12-02 16:17:46,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-02 16:17:46,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2020-12-02 16:17:46,184 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2020-12-02 16:17:46,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:17:46,184 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2020-12-02 16:17:46,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 16:17:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-12-02 16:17:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-02 16:17:46,185 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:46,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:46,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 16:17:46,400 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:46,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:46,401 INFO L82 PathProgramCache]: Analyzing trace with hash 805440418, now seen corresponding path program 1 times [2020-12-02 16:17:46,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:17:46,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802777754] [2020-12-02 16:17:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-02 16:17:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:17:46,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 16:17:46,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:17:46,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:17:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:46,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:17:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:47,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802777754] [2020-12-02 16:17:47,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:17:47,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-12-02 16:17:47,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483338396] [2020-12-02 16:17:47,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-02 16:17:47,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:17:47,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-02 16:17:47,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-12-02 16:17:47,234 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 16 states. [2020-12-02 16:17:47,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:17:47,867 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-12-02 16:17:47,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 16:17:47,868 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-12-02 16:17:47,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:17:47,869 INFO L225 Difference]: With dead ends: 22 [2020-12-02 16:17:47,869 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 16:17:47,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-12-02 16:17:47,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 16:17:47,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 16:17:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 16:17:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 16:17:47,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-12-02 16:17:47,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:17:47,871 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 16:17:47,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-02 16:17:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 16:17:47,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 16:17:48,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-02 16:17:48,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 16:17:48,496 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 16:17:49,098 WARN L197 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-02 16:17:49,601 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-02 16:17:50,509 WARN L197 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-02 16:17:50,512 INFO L262 CegarLoopResult]: For program point L27(lines 27 33) no Hoare annotation was computed. [2020-12-02 16:17:50,512 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-02 16:17:50,512 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 16:17:50,512 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 16:17:50,512 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 16:17:50,513 INFO L262 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2020-12-02 16:17:50,513 INFO L262 CegarLoopResult]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2020-12-02 16:17:50,513 INFO L258 CegarLoopResult]: At program point L61-2(lines 61 65) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~x) ((_ extract 30 23) ULTIMATE.start_ceil_float_~x) ((_ extract 22 0) ULTIMATE.start_ceil_float_~x)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start_ceil_float_#res|) ((_ extract 30 23) |ULTIMATE.start_ceil_float_#res|) ((_ extract 22 0) |ULTIMATE.start_ceil_float_#res|)) (_ +zero 8 24)) (= (_ +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))) (= roundNearestTiesToEven ~CRM) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|)))) (and (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000.0) .cse0) (= ((_ to_fp 8 24) ~CRM .cse0) (fp ((_ extract 31 31) ~huge_ceil~0) ((_ extract 30 23) ~huge_ceil~0) ((_ extract 22 0) ~huge_ceil~0)))))) (= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0) (= (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)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0))) |ULTIMATE.start_main_#t~short25|) [2020-12-02 16:17:50,513 INFO L262 CegarLoopResult]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2020-12-02 16:17:50,513 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-12-02 16:17:50,513 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-02 16:17:50,514 INFO L262 CegarLoopResult]: For program point L82-2(lines 82 85) no Hoare annotation was computed. [2020-12-02 16:17:50,514 INFO L262 CegarLoopResult]: For program point L45(lines 45 48) no Hoare annotation was computed. [2020-12-02 16:17:50,514 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 16:17:50,514 INFO L262 CegarLoopResult]: For program point L25(lines 25 49) no Hoare annotation was computed. [2020-12-02 16:17:50,514 INFO L265 CegarLoopResult]: At program point L87(lines 70 88) the Hoare annotation is: true [2020-12-02 16:17:50,514 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-02 16:17:50,515 INFO L262 CegarLoopResult]: For program point L50(lines 50 54) no Hoare annotation was computed. [2020-12-02 16:17:50,515 INFO L262 CegarLoopResult]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2020-12-02 16:17:50,515 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2020-12-02 16:17:50,515 INFO L262 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2020-12-02 16:17:50,515 INFO L258 CegarLoopResult]: At program point L67(lines 58 68) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~x) ((_ extract 30 23) ULTIMATE.start_ceil_float_~x) ((_ extract 22 0) ULTIMATE.start_ceil_float_~x)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start_ceil_float_#res|) ((_ extract 30 23) |ULTIMATE.start_ceil_float_#res|) ((_ extract 22 0) |ULTIMATE.start_ceil_float_#res|)) (_ +zero 8 24)) (= (_ +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))) (= roundNearestTiesToEven ~CRM) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|)))) (and (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000.0) .cse0) (= ((_ to_fp 8 24) ~CRM .cse0) (fp ((_ extract 31 31) ~huge_ceil~0) ((_ extract 30 23) ~huge_ceil~0) ((_ extract 22 0) ~huge_ceil~0)))))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0) (= |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)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0))) |ULTIMATE.start_main_#t~short25|) [2020-12-02 16:17:50,515 INFO L262 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2020-12-02 16:17:50,515 INFO L262 CegarLoopResult]: For program point L26(lines 26 43) no Hoare annotation was computed. [2020-12-02 16:17:50,516 INFO L258 CegarLoopResult]: At program point L55(lines 15 56) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~x) ((_ extract 30 23) ULTIMATE.start_ceil_float_~x) ((_ extract 22 0) ULTIMATE.start_ceil_float_~x)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start_ceil_float_#res|) ((_ extract 30 23) |ULTIMATE.start_ceil_float_#res|) ((_ extract 22 0) |ULTIMATE.start_ceil_float_#res|)) (_ +zero 8 24)) (= roundNearestTiesToEven ~CRM) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|)))) (and (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000.0) .cse0) (= ((_ to_fp 8 24) ~CRM .cse0) (fp ((_ extract 31 31) ~huge_ceil~0) ((_ extract 30 23) ~huge_ceil~0) ((_ extract 22 0) ~huge_ceil~0)))))) (= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) [2020-12-02 16:17:50,516 INFO L262 CegarLoopResult]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2020-12-02 16:17:50,516 INFO L258 CegarLoopResult]: At program point L18-2(lines 18 22) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~x) ((_ extract 30 23) ULTIMATE.start_ceil_float_~x) ((_ extract 22 0) ULTIMATE.start_ceil_float_~x)) (_ +zero 8 24)) (= roundNearestTiesToEven ~CRM) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6|)))) (and (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000.0) .cse0) (= ((_ to_fp 8 24) ~CRM .cse0) (fp ((_ extract 31 31) ~huge_ceil~0) ((_ extract 30 23) ~huge_ceil~0) ((_ extract 22 0) ~huge_ceil~0))))))) [2020-12-02 16:17:50,516 INFO L262 CegarLoopResult]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2020-12-02 16:17:50,516 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-12-02 16:17:50,517 INFO L262 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2020-12-02 16:17:50,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,552 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,552 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:17:50 BoogieIcfgContainer [2020-12-02 16:17:50,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 16:17:50,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 16:17:50,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 16:17:50,603 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 16:17:50,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:11" (3/4) ... [2020-12-02 16:17:50,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 16:17:50,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-12-02 16:17:50,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-02 16:17:50,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 16:17:50,627 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 16:17:50,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) == ~fp~LONGDOUBLE(huge_ceil[31:31], huge_ceil[30:23], huge_ceil[22:0])) [2020-12-02 16:17:50,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) == ~fp~LONGDOUBLE(huge_ceil[31:31], huge_ceil[30:23], huge_ceil[22:0]))) && 0bv32 == ix) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) [2020-12-02 16:17:50,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) == ~fp~LONGDOUBLE(huge_ceil[31:31], huge_ceil[30:23], huge_ceil[22:0]))) && 0bv32 == ix) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux [2020-12-02 16:17:50,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) == ~fp~LONGDOUBLE(huge_ceil[31:31], huge_ceil[30:23], huge_ceil[22:0]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && 0bv32 == ix) && \result == 0bv32) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux [2020-12-02 16:17:50,698 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 16:17:50,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 16:17:50,703 INFO L168 Benchmark]: Toolchain (without parser) took 40295.41 ms. Allocated memory was 41.9 MB in the beginning and 60.8 MB in the end (delta: 18.9 MB). Free memory was 18.6 MB in the beginning and 21.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:50,704 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 41.9 MB. Free memory is still 21.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:17:50,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.89 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.4 MB in the beginning and 24.3 MB in the end (delta: -5.9 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:50,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.15 ms. Allocated memory is still 50.3 MB. Free memory was 24.3 MB in the beginning and 34.1 MB in the end (delta: -9.8 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:50,708 INFO L168 Benchmark]: Boogie Preprocessor took 67.56 ms. Allocated memory is still 50.3 MB. Free memory was 34.1 MB in the beginning and 32.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:50,708 INFO L168 Benchmark]: RCFGBuilder took 828.05 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 23.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:50,711 INFO L168 Benchmark]: TraceAbstraction took 38690.79 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 22.8 MB in the beginning and 25.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:50,712 INFO L168 Benchmark]: Witness Printer took 96.54 ms. Allocated memory is still 60.8 MB. Free memory was 25.3 MB in the beginning and 21.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:50,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 41.9 MB. Free memory is still 21.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 539.89 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.4 MB in the beginning and 24.3 MB in the end (delta: -5.9 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.15 ms. Allocated memory is still 50.3 MB. Free memory was 24.3 MB in the beginning and 34.1 MB in the end (delta: -9.8 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.56 ms. Allocated memory is still 50.3 MB. Free memory was 34.1 MB in the beginning and 32.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 828.05 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 23.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 38690.79 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 22.8 MB in the beginning and 25.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 96.54 ms. Allocated memory is still 60.8 MB. Free memory was 25.3 MB in the beginning and 21.5 MB in the end (delta: 3.7 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant [2020-12-02 16:17:50,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] Derived loop invariant: (~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) == ~fp~LONGDOUBLE(huge_ceil[31:31], huge_ceil[30:23], huge_ceil[22:0])) - InvariantResult [Line: 61]: Loop Invariant [2020-12-02 16:17:50,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] Derived loop invariant: ((((((((~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) == ~fp~LONGDOUBLE(huge_ceil[31:31], huge_ceil[30:23], huge_ceil[22:0]))) && 0bv32 == ix) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux - InvariantResult [Line: 15]: Loop Invariant [2020-12-02 16:17:50,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] Derived loop invariant: (((((~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) == ~fp~LONGDOUBLE(huge_ceil[31:31], huge_ceil[30:23], huge_ceil[22:0]))) && 0bv32 == ix) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant [2020-12-02 16:17:50,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:17:50,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-12-02 16:17:50,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] [2020-12-02 16:17:50,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6,QUANTIFIED] Derived loop invariant: ((((((((((~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, 1.0E30) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0]) && ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet7_6[51:0])) == ~fp~LONGDOUBLE(huge_ceil[31:31], huge_ceil[30:23], huge_ceil[22:0]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && 0bv32 == ix) && \result == 0bv32) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 112 SDtfs, 346 SDslu, 147 SDs, 0 SdLazy, 140 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 27.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 346 HoareAnnotationTreeSize, 5 FomulaSimplifications, 177 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 170 ConstructedInterpolants, 31 QuantifiedInterpolants, 26460 SizeOfPredicates, 37 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...