./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1211a.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/double_req_bl_1211a.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 9260470f8c7c4335e2f803d157cd5a7c9159336c ................................................................................................................................................................................................................................................................................................................................................................... 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/double_req_bl_1211a.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 9260470f8c7c4335e2f803d157cd5a7c9159336c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:34:22,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:34:22,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:34:23,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:34:23,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:34:23,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:34:23,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:34:23,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:34:23,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:34:23,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:34:23,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:34:23,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:34:23,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:34:23,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:34:23,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:34:23,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:34:23,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:34:23,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:34:23,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:34:23,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:34:23,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:34:23,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:34:23,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:34:23,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:34:23,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:34:23,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:34:23,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:34:23,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:34:23,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:34:23,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:34:23,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:34:23,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:34:23,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:34:23,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:34:23,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:34:23,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:34:23,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:34:23,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:34:23,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:34:23,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:34:23,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:34:23,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:34:23,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:34:23,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:34:23,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:34:23,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:34:23,175 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:34:23,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:34:23,176 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:34:23,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:34:23,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:34:23,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:34:23,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:34:23,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:34:23,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:34:23,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:34:23,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:34:23,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:34:23,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:34:23,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:34:23,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:34:23,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:34:23,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:34:23,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:34:23,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:34:23,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:34:23,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:34:23,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:34:23,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:34:23,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:34:23,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:34:23,183 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9260470f8c7c4335e2f803d157cd5a7c9159336c [2020-12-02 15:34:23,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:34:23,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:34:23,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:34:23,758 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:34:23,759 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:34:23,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1211a.c [2020-12-02 15:34:23,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3706e5fa4/f8f06aa2933849259ac27c6c52a3502d/FLAGdb0891c10 [2020-12-02 15:34:24,546 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:34:24,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1211a.c [2020-12-02 15:34:24,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3706e5fa4/f8f06aa2933849259ac27c6c52a3502d/FLAGdb0891c10 [2020-12-02 15:34:24,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3706e5fa4/f8f06aa2933849259ac27c6c52a3502d [2020-12-02 15:34:24,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:34:24,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:34:24,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:34:24,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:34:24,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:34:24,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:24" (1/1) ... [2020-12-02 15:34:24,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78208009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:24, skipping insertion in model container [2020-12-02 15:34:24,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:24" (1/1) ... [2020-12-02 15:34:24,919 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:34:24,967 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:34:25,206 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/double_req_bl_1211a.c[3716,3729] [2020-12-02 15:34:25,210 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:34:25,220 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:34:25,295 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/double_req_bl_1211a.c[3716,3729] [2020-12-02 15:34:25,297 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:34:25,321 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:34:25,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25 WrapperNode [2020-12-02 15:34:25,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:34:25,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:34:25,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:34:25,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:34:25,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:34:25,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:34:25,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:34:25,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:34:25,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (1/1) ... [2020-12-02 15:34:25,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:34:25,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:34:25,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:34:25,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:34:25,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (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 15:34:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:34:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:34:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:34:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:34:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:34:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:34:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:34:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-02 15:34:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:34:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:34:26,340 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:34:26,341 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-02 15:34:26,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:26 BoogieIcfgContainer [2020-12-02 15:34:26,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:34:26,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:34:26,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:34:26,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:34:26,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:34:24" (1/3) ... [2020-12-02 15:34:26,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7369554d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:34:26, skipping insertion in model container [2020-12-02 15:34:26,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:25" (2/3) ... [2020-12-02 15:34:26,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7369554d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:34:26, skipping insertion in model container [2020-12-02 15:34:26,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:26" (3/3) ... [2020-12-02 15:34:26,357 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2020-12-02 15:34:26,375 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:34:26,379 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:34:26,393 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:34:26,442 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:34:26,442 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:34:26,443 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:34:26,443 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:34:26,443 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:34:26,443 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:34:26,443 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:34:26,443 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:34:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2020-12-02 15:34:26,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 15:34:26,470 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:34:26,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:34:26,472 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:34:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:34:26,480 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-12-02 15:34:26,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:34:26,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061555597] [2020-12-02 15:34:26,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:34:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:34:26,749 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 15:34:26,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061555597] [2020-12-02 15:34:26,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:34:26,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:34:26,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915975594] [2020-12-02 15:34:26,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:34:26,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:34:26,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:34:26,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:34:26,781 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2020-12-02 15:34:26,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:34:26,824 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2020-12-02 15:34:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:34:26,826 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-02 15:34:26,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:34:26,855 INFO L225 Difference]: With dead ends: 102 [2020-12-02 15:34:26,855 INFO L226 Difference]: Without dead ends: 49 [2020-12-02 15:34:26,861 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 15:34:26,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-02 15:34:26,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-02 15:34:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-02 15:34:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-12-02 15:34:26,919 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-12-02 15:34:26,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:34:26,919 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-12-02 15:34:26,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:34:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-12-02 15:34:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 15:34:26,923 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:34:26,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:34:26,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:34:26,924 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:34:26,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:34:26,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-12-02 15:34:26,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:34:26,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627700071] [2020-12-02 15:34:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:34:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:34:27,081 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 15:34:27,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627700071] [2020-12-02 15:34:27,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:34:27,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-02 15:34:27,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797434932] [2020-12-02 15:34:27,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 15:34:27,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:34:27,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 15:34:27,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 15:34:27,086 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2020-12-02 15:34:27,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:34:27,106 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2020-12-02 15:34:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 15:34:27,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-02 15:34:27,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:34:27,108 INFO L225 Difference]: With dead ends: 52 [2020-12-02 15:34:27,108 INFO L226 Difference]: Without dead ends: 49 [2020-12-02 15:34:27,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 15:34:27,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-02 15:34:27,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-02 15:34:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-02 15:34:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2020-12-02 15:34:27,115 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2020-12-02 15:34:27,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:34:27,116 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2020-12-02 15:34:27,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 15:34:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2020-12-02 15:34:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-02 15:34:27,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:34:27,118 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] [2020-12-02 15:34:27,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:34:27,118 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:34:27,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:34:27,119 INFO L82 PathProgramCache]: Analyzing trace with hash 581418946, now seen corresponding path program 1 times [2020-12-02 15:34:27,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:34:27,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922605745] [2020-12-02 15:34:27,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:34:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:34:27,307 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:34:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:34:27,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:34:27,493 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:34:27,493 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:34:27,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-02 15:34:27,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:34:27 BoogieIcfgContainer [2020-12-02 15:34:27,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:34:27,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:34:27,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:34:27,576 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:34:27,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:26" (3/4) ... [2020-12-02 15:34:27,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:34:27,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:34:27,592 INFO L168 Benchmark]: Toolchain (without parser) took 2701.71 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.3 MB in the beginning and 41.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:34:27,593 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory was 41.5 MB in the beginning and 41.4 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:34:27,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.50 ms. Allocated memory is still 56.6 MB. Free memory was 33.1 MB in the beginning and 35.7 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:34:27,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.74 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 33.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:34:27,597 INFO L168 Benchmark]: Boogie Preprocessor took 55.47 ms. Allocated memory is still 56.6 MB. Free memory was 33.2 MB in the beginning and 31.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:34:27,599 INFO L168 Benchmark]: RCFGBuilder took 899.12 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.0 MB in the beginning and 40.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:34:27,601 INFO L168 Benchmark]: TraceAbstraction took 1227.69 ms. Allocated memory is still 69.2 MB. Free memory was 39.3 MB in the beginning and 41.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:34:27,606 INFO L168 Benchmark]: Witness Printer took 12.52 ms. Allocated memory is still 69.2 MB. Free memory was 41.5 MB in the beginning and 41.3 MB in the end (delta: 243.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:34:27,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory was 41.5 MB in the beginning and 41.4 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 432.50 ms. Allocated memory is still 56.6 MB. Free memory was 33.1 MB in the beginning and 35.7 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.74 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 33.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.47 ms. Allocated memory is still 56.6 MB. Free memory was 33.2 MB in the beginning and 31.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 899.12 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.0 MB in the beginning and 40.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1227.69 ms. Allocated memory is still 69.2 MB. Free memory was 39.3 MB in the beginning and 41.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * Witness Printer took 12.52 ms. Allocated memory is still 69.2 MB. Free memory was 41.5 MB in the beginning and 41.3 MB in the end (delta: 243.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 152]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 122, overapproximation of bitwiseAnd at line 121, overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 146, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 151. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = 1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [one_modf=1] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (i1) = ew_u.parts.lsw [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L32] COND TRUE j0 < 20 VAL [one_modf=1] [L33] COND TRUE j0 < 0 VAL [one_modf=1] [L35] ieee_double_shape_type iw_u; [L36] iw_u.parts.msw = (i0 & 0x80000000) [L37] iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] (*iptr) = iw_u.value [L40] return x; VAL [one_modf=1] [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L114] __int32_t hx, lx; VAL [one_modf=1] [L116] ieee_double_shape_type ew_u; [L117] ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] (lx) = ew_u.parts.lsw [L121] hx &= 0x7fffffff [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L151] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) VAL [one_modf=1] [L151] COND TRUE isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L152] reach_error() VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 113 SDtfs, 0 SDslu, 49 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 15:34:30,210 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-12-02 15:34:30,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:34:30,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:34:30,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:34:30,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:34:30,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:34:30,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:34:30,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:34:30,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:34:30,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:34:30,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:34:30,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:34:30,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:34:30,384 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:34:30,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:34:30,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:34:30,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:34:30,396 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:34:30,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:34:30,396 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:34:30,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:34:30,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:34:30,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:34:30,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:34:30,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:34:30,398 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:34:30,398 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:34:30,399 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:34:30,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:34:30,399 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:34:30,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:34:30,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:34:30,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:34:30,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:34:30,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:34:30,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:34:30,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:34:30,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:34:30,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:34:30,402 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:34:30,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:34:30,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:34:30,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:34:30,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:34:30,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9260470f8c7c4335e2f803d157cd5a7c9159336c [2020-12-02 15:34:30,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:34:30,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:34:30,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:34:30,861 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:34:30,862 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:34:30,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1211a.c [2020-12-02 15:34:30,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11746a70/038753f4e3a040d6a612082aaf52c23f/FLAGcd669512b [2020-12-02 15:34:31,715 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:34:31,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1211a.c [2020-12-02 15:34:31,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11746a70/038753f4e3a040d6a612082aaf52c23f/FLAGcd669512b [2020-12-02 15:34:32,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11746a70/038753f4e3a040d6a612082aaf52c23f [2020-12-02 15:34:32,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:34:32,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:34:32,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:34:32,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:34:32,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:34:32,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704fa7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32, skipping insertion in model container [2020-12-02 15:34:32,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,074 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:34:32,101 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:34:32,527 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/double_req_bl_1211a.c[3716,3729] [2020-12-02 15:34:32,536 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:34:32,577 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:34:32,703 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/double_req_bl_1211a.c[3716,3729] [2020-12-02 15:34:32,704 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:34:32,744 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:34:32,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32 WrapperNode [2020-12-02 15:34:32,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:34:32,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:34:32,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:34:32,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:34:32,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:34:32,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:34:32,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:34:32,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:34:32,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (1/1) ... [2020-12-02 15:34:32,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:34:32,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:34:32,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:34:32,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:34:32,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (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 15:34:33,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:34:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:34:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:34:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:34:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:34:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-02 15:34:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:34:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:34:33,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:34:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:34:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:34:36,432 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:34:36,433 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-02 15:34:36,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:36 BoogieIcfgContainer [2020-12-02 15:34:36,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:34:36,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:34:36,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:34:36,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:34:36,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:34:32" (1/3) ... [2020-12-02 15:34:36,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11582512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:34:36, skipping insertion in model container [2020-12-02 15:34:36,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:32" (2/3) ... [2020-12-02 15:34:36,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11582512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:34:36, skipping insertion in model container [2020-12-02 15:34:36,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:36" (3/3) ... [2020-12-02 15:34:36,450 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2020-12-02 15:34:36,471 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:34:36,475 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:34:36,489 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:34:36,528 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:34:36,528 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:34:36,528 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:34:36,528 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:34:36,528 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:34:36,528 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:34:36,529 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:34:36,529 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:34:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2020-12-02 15:34:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 15:34:36,549 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:34:36,549 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:34:36,550 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:34:36,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:34:36,556 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-12-02 15:34:36,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:34:36,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485491158] [2020-12-02 15:34:36,571 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 15:34:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:34:37,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:34:37,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:34:37,896 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 15:34:37,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:34:37,930 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 15:34:37,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485491158] [2020-12-02 15:34:37,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:34:37,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:34:37,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053675484] [2020-12-02 15:34:37,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:34:37,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:34:37,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:34:37,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:34:37,967 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2020-12-02 15:34:38,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:34:38,007 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2020-12-02 15:34:38,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:34:38,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-02 15:34:38,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:34:38,020 INFO L225 Difference]: With dead ends: 102 [2020-12-02 15:34:38,020 INFO L226 Difference]: Without dead ends: 49 [2020-12-02 15:34:38,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 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 15:34:38,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-02 15:34:38,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-02 15:34:38,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-02 15:34:38,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-12-02 15:34:38,070 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-12-02 15:34:38,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:34:38,071 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-12-02 15:34:38,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:34:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-12-02 15:34:38,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 15:34:38,073 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:34:38,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:34:38,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:34:38,288 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:34:38,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:34:38,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-12-02 15:34:38,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:34:38,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683089612] [2020-12-02 15:34:38,294 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 15:34:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:34:39,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:34:39,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:34:41,569 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet39_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_6|)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start_modf_double_~x) ((_ extract 62 52) c_ULTIMATE.start_modf_double_~x) ((_ extract 51 0) c_ULTIMATE.start_modf_double_~x))) (= .cse1 (_ +zero 11 53)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0)))) is different from false [2020-12-02 15:34:43,720 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_modf_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet39_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_6|)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x))) (= c_ULTIMATE.start_modf_double_~i0~0 ((_ extract 63 32) ULTIMATE.start_modf_double_~x)) (= .cse1 (_ +zero 11 53)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0)))) is different from false [2020-12-02 15:34:49,991 WARN L197 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-02 15:34:50,030 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 15:34:50,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:34:57,980 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 15:34:57,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683089612] [2020-12-02 15:34:57,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:34:57,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:34:57,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357168280] [2020-12-02 15:34:57,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:34:57,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:34:57,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:34:57,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=30, Unknown=4, NotChecked=22, Total=72 [2020-12-02 15:34:57,986 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 9 states. [2020-12-02 15:35:17,418 WARN L197 SmtUtils]: Spent 11.65 s on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-12-02 15:35:42,101 WARN L197 SmtUtils]: Spent 12.75 s on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-12-02 15:36:00,359 WARN L197 SmtUtils]: Spent 6.11 s on a formula simplification that was a NOOP. DAG size: 45 [2020-12-02 15:36:06,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:36:06,224 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2020-12-02 15:36:06,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:36:06,226 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-12-02 15:36:06,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:36:06,227 INFO L225 Difference]: With dead ends: 64 [2020-12-02 15:36:06,227 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 15:36:06,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 77.1s TimeCoverageRelationStatistics Valid=32, Invalid=54, Unknown=12, NotChecked=34, Total=132 [2020-12-02 15:36:06,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 15:36:06,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 15:36:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 15:36:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-12-02 15:36:06,234 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2020-12-02 15:36:06,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:36:06,234 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-12-02 15:36:06,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:36:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-12-02 15:36:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-02 15:36:06,236 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:36:06,236 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] [2020-12-02 15:36:06,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:36:06,437 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:36:06,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:36:06,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1408426499, now seen corresponding path program 1 times [2020-12-02 15:36:06,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:36:06,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554529264] [2020-12-02 15:36:06,441 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 15:36:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:36:07,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-02 15:36:07,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:36:07,726 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 15:36:07,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:36:07,742 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 15:36:07,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554529264] [2020-12-02 15:36:07,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:36:07,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-02 15:36:07,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483581183] [2020-12-02 15:36:07,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 15:36:07,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:36:07,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 15:36:07,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 15:36:07,745 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 3 states. [2020-12-02 15:36:07,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:36:07,832 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-12-02 15:36:07,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 15:36:07,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-02 15:36:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:36:07,833 INFO L225 Difference]: With dead ends: 30 [2020-12-02 15:36:07,833 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 15:36:07,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 15:36:07,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 15:36:07,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 15:36:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 15:36:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-12-02 15:36:07,838 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2020-12-02 15:36:07,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:36:07,838 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-12-02 15:36:07,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 15:36:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-12-02 15:36:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-02 15:36:07,839 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:36:07,840 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, 1] [2020-12-02 15:36:08,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:36:08,051 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:36:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:36:08,053 INFO L82 PathProgramCache]: Analyzing trace with hash -605570489, now seen corresponding path program 1 times [2020-12-02 15:36:08,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:36:08,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213824358] [2020-12-02 15:36:08,054 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 15:36:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:36:09,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-02 15:36:09,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:36:09,408 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2020-12-02 15:36:09,437 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:36:09,466 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:36:09,466 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:36:09,493 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:36:09,495 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 15:36:09,495 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:7 [2020-12-02 15:36:09,863 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:36:10,094 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 15:36:10,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:36:10,988 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 15:36:10,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1213824358] [2020-12-02 15:36:10,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:36:10,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-12-02 15:36:10,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782465653] [2020-12-02 15:36:10,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:36:10,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:36:10,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:36:10,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-02 15:36:10,992 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 9 states. [2020-12-02 15:36:13,633 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2020-12-02 15:36:14,078 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-12-02 15:36:14,547 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-12-02 15:36:14,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:36:14,613 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-12-02 15:36:14,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:36:14,613 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-12-02 15:36:14,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:36:14,614 INFO L225 Difference]: With dead ends: 31 [2020-12-02 15:36:14,614 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 15:36:14,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-12-02 15:36:14,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 15:36:14,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 15:36:14,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 15:36:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-12-02 15:36:14,620 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2020-12-02 15:36:14,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:36:14,621 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-12-02 15:36:14,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:36:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-12-02 15:36:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-02 15:36:14,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:36:14,622 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, 1, 1, 1, 1, 1] [2020-12-02 15:36:14,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:36:14,827 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:36:14,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:36:14,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1265561966, now seen corresponding path program 1 times [2020-12-02 15:36:14,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:36:14,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618474557] [2020-12-02 15:36:14,829 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 15:36:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:36:16,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-02 15:36:16,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:36:18,173 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start_modf_double_~x) ((_ extract 62 52) c_ULTIMATE.start_modf_double_~x) ((_ extract 51 0) c_ULTIMATE.start_modf_double_~x))) (= (_ +zero 11 53) .cse1)))) is different from false [2020-12-02 15:36:22,440 WARN L197 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 15:36:22,513 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2020-12-02 15:36:22,552 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:36:22,580 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:36:22,580 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:36:25,881 WARN L197 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 15:36:25,882 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:36:25,885 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-02 15:36:25,886 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:63, output treesize:53 [2020-12-02 15:36:28,017 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1) (= (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32)) c_ULTIMATE.start_modf_double_~x)))) is different from false [2020-12-02 15:36:30,205 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32)) |c_ULTIMATE.start_modf_double_#res|) (= (_ +zero 11 53) .cse1)))) is different from false [2020-12-02 15:36:39,460 WARN L197 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:36:41,643 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32)) c_ULTIMATE.start___signbit_double_~x) (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1)))) is different from false [2020-12-02 15:36:43,814 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1) (= ((_ extract 63 32) (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32))) c_ULTIMATE.start___signbit_double_~msw~0)))) is different from false [2020-12-02 15:36:43,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:36:43,882 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 15:36:56,459 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 15:36:56,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:37:24,325 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2020-12-02 15:37:24,354 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:37:24,381 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:37:24,382 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:37:24,407 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:37:24,408 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:37:24,408 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:10 [2020-12-02 15:37:35,621 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 15:37:35,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618474557] [2020-12-02 15:37:35,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:37:35,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 18 [2020-12-02 15:37:35,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646724706] [2020-12-02 15:37:35,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-02 15:37:35,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:37:35,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-02 15:37:35,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=122, Unknown=19, NotChecked=130, Total=306 [2020-12-02 15:37:35,624 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 18 states. [2020-12-02 15:38:05,495 WARN L197 SmtUtils]: Spent 6.93 s on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2020-12-02 15:38:23,097 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (ULTIMATE.start_modf_double_~x (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x))) (= c_ULTIMATE.start_modf_double_~high~1 ((_ extract 63 32) ULTIMATE.start_modf_double_~x)) (= (_ +zero 11 53) .cse1)))) (= (bvand (_ bv2147483648 32) ((_ extract 63 32) c_ULTIMATE.start_modf_double_~x)) (_ bv0 32))) is different from false [2020-12-02 15:38:27,660 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (ULTIMATE.start_modf_double_~x (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x))) (= c_ULTIMATE.start_modf_double_~high~1 ((_ extract 63 32) ULTIMATE.start_modf_double_~x)) (= (_ +zero 11 53) .cse1)))) (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse2 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse2 .cse3) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse3) (= (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32)) c_ULTIMATE.start_modf_double_~x)))) (= (bvand (_ bv2147483648 32) ((_ extract 63 32) c_ULTIMATE.start_modf_double_~x)) (_ bv0 32))) is different from false [2020-12-02 15:39:10,629 WARN L197 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-02 15:39:55,902 WARN L197 SmtUtils]: Spent 16.15 s on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-02 15:39:59,735 WARN L838 $PredicateComparison]: unable to prove that (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) c_ULTIMATE.start_modf_double_~x)) (_ bv0 32)) (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= c_ULTIMATE.start_main_~res~0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32))) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1)))) (= (bvand (_ bv2147483648 32) ((_ extract 63 32) |c_ULTIMATE.start_modf_double_#res|)) (_ bv0 32))) is different from false [2020-12-02 15:40:39,783 WARN L197 SmtUtils]: Spent 5.91 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-02 15:40:44,225 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= c_ULTIMATE.start_main_~res~0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32))) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1)))) (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32)) c_ULTIMATE.start___signbit_double_~x) (= .cse2 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse2 .cse3) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse3)))) |c_ULTIMATE.start_main_#t~short47| (= (bvand (_ bv2147483648 32) ((_ extract 63 32) c_ULTIMATE.start___signbit_double_~x)) (_ bv0 32))) is different from false [2020-12-02 15:40:46,381 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1) (= ((_ extract 63 32) (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32))) c_ULTIMATE.start___signbit_double_~msw~0)))) (= (_ bv0 32) (bvand (_ bv2147483648 32) c_ULTIMATE.start___signbit_double_~msw~0))) is different from false [2020-12-02 15:40:49,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:40:49,195 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-12-02 15:40:49,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-02 15:40:49,195 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2020-12-02 15:40:49,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:40:49,196 INFO L225 Difference]: With dead ends: 27 [2020-12-02 15:40:49,199 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:40:49,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 239.9s TimeCoverageRelationStatistics Valid=70, Invalid=259, Unknown=53, NotChecked=430, Total=812 [2020-12-02 15:40:49,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:40:49,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:40:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:40:49,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:40:49,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-02 15:40:49,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:40:49,203 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:40:49,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-02 15:40:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:40:49,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:40:49,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 15:40:49,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:40:51,684 WARN L197 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 15:41:23,646 WARN L197 SmtUtils]: Spent 31.96 s on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-02 15:41:36,065 WARN L197 SmtUtils]: Spent 12.42 s on a formula simplification that was a NOOP. DAG size: 56 [2020-12-02 15:41:36,364 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 15:42:34,828 WARN L197 SmtUtils]: Spent 58.45 s on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-12-02 15:42:49,813 WARN L197 SmtUtils]: Spent 14.98 s on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-12-02 15:43:01,955 WARN L197 SmtUtils]: Spent 12.11 s on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-12-02 15:43:01,980 INFO L262 CegarLoopResult]: For program point L93(lines 93 98) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point L93-1(lines 85 100) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point L93-2(lines 93 98) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point L85(lines 85 108) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point L151-3(line 151) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point L151-5(lines 151 154) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:43:01,981 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-02 15:43:01,982 INFO L258 CegarLoopResult]: At program point L136(lines 127 137) the Hoare annotation is: (and (forall ((|v_ULTIMATE.start_main_#t~nondet45_10| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet45_10|)))) (or (not (= (_ +zero 11 53) .cse0)) (fp.eq (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x)) .cse0)))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((ULTIMATE.start_modf_double_~high~1 (_ BitVec 32))) (= ULTIMATE.start_main_~res~0 (concat (bvand (_ bv2147483648 32) ULTIMATE.start_modf_double_~high~1) (_ bv0 32)))) (exists ((ULTIMATE.start_modf_double_~high~1 (_ BitVec 32))) (= (concat (bvand (_ bv2147483648 32) ULTIMATE.start_modf_double_~high~1) (_ bv0 32)) |ULTIMATE.start_modf_double_#res|)) |ULTIMATE.start_main_#t~short47|) [2020-12-02 15:43:01,982 INFO L262 CegarLoopResult]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2020-12-02 15:43:01,982 INFO L258 CegarLoopResult]: At program point L46-2(lines 46 50) the Hoare annotation is: false [2020-12-02 15:43:01,982 INFO L262 CegarLoopResult]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2020-12-02 15:43:01,982 INFO L258 CegarLoopResult]: At program point L71-2(lines 71 75) the Hoare annotation is: (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x))) (= (_ +zero 11 53) .cse1)))) [2020-12-02 15:43:01,982 INFO L262 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2020-12-02 15:43:01,983 INFO L258 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2020-12-02 15:43:01,983 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-12-02 15:43:01,983 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= ULTIMATE.start_main_~res~0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32))) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet45_10| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet45_10|)))) (or (not (= (_ +zero 11 53) .cse2)) (fp.eq (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x)) .cse2)))) (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32)) ULTIMATE.start___signbit_double_~x) (= .cse3 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse3 .cse4) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse4)))) (exists ((ULTIMATE.start_modf_double_~high~1 (_ BitVec 32))) (= (concat (bvand (_ bv2147483648 32) ULTIMATE.start_modf_double_~high~1) (_ bv0 32)) |ULTIMATE.start_modf_double_#res|)) |ULTIMATE.start_main_#t~short47|) [2020-12-02 15:43:01,984 INFO L262 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-12-02 15:43:01,984 INFO L262 CegarLoopResult]: For program point L32(lines 32 109) no Hoare annotation was computed. [2020-12-02 15:43:01,984 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:43:01,984 INFO L265 CegarLoopResult]: At program point L156(lines 139 157) the Hoare annotation is: true [2020-12-02 15:43:01,984 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-12-02 15:43:01,984 INFO L262 CegarLoopResult]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2020-12-02 15:43:01,985 INFO L258 CegarLoopResult]: At program point L115-2(lines 115 120) the Hoare annotation is: (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) ULTIMATE.start_modf_double_~x)) (_ bv0 32)) (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= ULTIMATE.start_main_~res~0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32))) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet45_10| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet45_10|)))) (or (not (= (_ +zero 11 53) .cse2)) (fp.eq (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x)) .cse2)))) (= (bvand (_ bv2147483648 32) ((_ extract 63 32) |ULTIMATE.start_modf_double_#res|)) (_ bv0 32)) (exists ((ULTIMATE.start_modf_double_~high~1 (_ BitVec 32))) (= (concat (bvand (_ bv2147483648 32) ULTIMATE.start_modf_double_~high~1) (_ bv0 32)) |ULTIMATE.start_modf_double_#res|))) [2020-12-02 15:43:01,985 INFO L262 CegarLoopResult]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2020-12-02 15:43:01,985 INFO L258 CegarLoopResult]: At program point L107(lines 22 110) the Hoare annotation is: (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) ULTIMATE.start_modf_double_~x)) (_ bv0 32)) (forall ((|v_ULTIMATE.start_main_#t~nondet45_10| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet45_10|)))) (or (not (= (_ +zero 11 53) .cse0)) (fp.eq (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x)) .cse0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse1 ((_ to_fp 11 53) ~CRM 1.0)) (= (fp.div ~CRM .cse1 .cse2) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32)) |ULTIMATE.start_modf_double_#res|) (= (_ +zero 11 53) .cse2))))) [2020-12-02 15:43:01,986 INFO L262 CegarLoopResult]: For program point L33(lines 33 67) no Hoare annotation was computed. [2020-12-02 15:43:01,986 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:43:01,986 INFO L258 CegarLoopResult]: At program point L124(lines 113 125) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet39_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_8| (_ BitVec 64)) (~CRM RoundingMode) (v_ULTIMATE.start_modf_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_8|)))) (and (= .cse0 ((_ to_fp 11 53) ~CRM 1.0)) (= ULTIMATE.start_main_~res~0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_ULTIMATE.start_modf_double_~x_21)) (_ bv0 32))) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_modf_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_modf_double_~x_21))) (= (_ +zero 11 53) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet45_10| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet45_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet45_10|)))) (or (not (= (_ +zero 11 53) .cse2)) (fp.eq (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x)) .cse2)))) (exists ((ULTIMATE.start_modf_double_~high~1 (_ BitVec 32))) (= ULTIMATE.start_main_~res~0 (concat (bvand (_ bv2147483648 32) ULTIMATE.start_modf_double_~high~1) (_ bv0 32)))) (exists ((ULTIMATE.start_modf_double_~high~1 (_ BitVec 32))) (= (concat (bvand (_ bv2147483648 32) ULTIMATE.start_modf_double_~high~1) (_ bv0 32)) |ULTIMATE.start_modf_double_#res|))) [2020-12-02 15:43:01,986 INFO L262 CegarLoopResult]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2020-12-02 15:43:01,987 INFO L258 CegarLoopResult]: At program point L25-2(lines 25 30) the Hoare annotation is: (and (= roundNearestTiesToEven ~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet39_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet38_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet39_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet39_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet39_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet38_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet38_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet38_6|)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start_modf_double_~x) ((_ extract 62 52) ULTIMATE.start_modf_double_~x) ((_ extract 51 0) ULTIMATE.start_modf_double_~x))) (= .cse1 (_ +zero 11 53)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0))))) [2020-12-02 15:43:01,987 INFO L262 CegarLoopResult]: For program point L25-3(lines 25 30) no Hoare annotation was computed. [2020-12-02 15:43:01,987 INFO L262 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-12-02 15:43:01,987 INFO L258 CegarLoopResult]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2020-12-02 15:43:01,987 INFO L262 CegarLoopResult]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2020-12-02 15:43:01,987 INFO L262 CegarLoopResult]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2020-12-02 15:43:01,988 INFO L258 CegarLoopResult]: At program point L59-2(lines 59 64) the Hoare annotation is: false [2020-12-02 15:43:01,988 INFO L262 CegarLoopResult]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2020-12-02 15:43:01,988 INFO L262 CegarLoopResult]: For program point L51(lines 51 56) no Hoare annotation was computed. [2020-12-02 15:43:01,988 INFO L262 CegarLoopResult]: For program point L51-1(lines 43 58) no Hoare annotation was computed. [2020-12-02 15:43:01,988 INFO L262 CegarLoopResult]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2020-12-02 15:43:01,988 INFO L262 CegarLoopResult]: For program point L76(lines 76 81) no Hoare annotation was computed. [2020-12-02 15:43:01,989 INFO L262 CegarLoopResult]: For program point L43(lines 43 66) no Hoare annotation was computed. [2020-12-02 15:43:01,989 INFO L262 CegarLoopResult]: For program point L76-1(lines 68 83) no Hoare annotation was computed. [2020-12-02 15:43:01,989 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2020-12-02 15:43:01,989 INFO L262 CegarLoopResult]: For program point L68(lines 68 109) no Hoare annotation was computed. [2020-12-02 15:43:01,989 INFO L262 CegarLoopResult]: For program point L101-1(lines 101 106) no Hoare annotation was computed. [2020-12-02 15:43:01,989 INFO L258 CegarLoopResult]: At program point L101-2(lines 101 106) the Hoare annotation is: false [2020-12-02 15:43:01,990 INFO L262 CegarLoopResult]: For program point L101-3(lines 101 106) no Hoare annotation was computed. [2020-12-02 15:43:01,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:01,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:01,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:01,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:43:01,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:43:01,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,010 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,010 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,010 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:43:02,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:43:02,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,015 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 15:43:02,022 INFO L168 Benchmark]: Toolchain (without parser) took 509970.15 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 21.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:02,025 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 31.2 MB in the beginning and 31.1 MB in the end (delta: 39.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:43:02,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.33 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 24.3 MB in the end (delta: 715.5 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:02,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.39 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 21.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:02,036 INFO L168 Benchmark]: Boogie Preprocessor took 108.16 ms. Allocated memory is still 48.2 MB. Free memory was 21.9 MB in the beginning and 19.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:02,040 INFO L168 Benchmark]: RCFGBuilder took 3459.90 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 19.3 MB in the beginning and 41.4 MB in the end (delta: -22.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:02,041 INFO L168 Benchmark]: TraceAbstraction took 505583.72 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 21.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:02,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 31.2 MB in the beginning and 31.1 MB in the end (delta: 39.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.33 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 24.3 MB in the end (delta: 715.5 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.39 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 21.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.16 ms. Allocated memory is still 48.2 MB. Free memory was 21.9 MB in the beginning and 19.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3459.90 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 19.3 MB in the beginning and 41.4 MB in the end (delta: -22.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 505583.72 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 21.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 152]: 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: 71]: Loop Invariant [2020-12-02 15:43:02,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:43:02,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:43:02,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet38_8,QUANTIFIED] [2020-12-02 15:43:02,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] [2020-12-02 15:43:02,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet39_8,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_main_#t~nondet39_8 : bv64, v_ULTIMATE.start_main_#t~nondet38_8 : bv64, ~CRM : FloatRoundingMode :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet38_8[63:63], v_ULTIMATE.start_main_#t~nondet38_8[62:52], v_ULTIMATE.start_main_#t~nondet38_8[51:0]) == ~to_fp~LONGDOUBLE(~CRM, 1.0) && ~fp.div~DOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet38_8[63:63], v_ULTIMATE.start_main_#t~nondet38_8[62:52], v_ULTIMATE.start_main_#t~nondet38_8[51:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet39_8[63:63], v_ULTIMATE.start_main_#t~nondet39_8[62:52], v_ULTIMATE.start_main_#t~nondet39_8[51:0])) == ~fp~LONGDOUBLE(x[63:63], x[62:52], x[51:0])) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet39_8[63:63], v_ULTIMATE.start_main_#t~nondet39_8[62:52], v_ULTIMATE.start_main_#t~nondet39_8[51:0])) - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...